Why i got the Mahindra e2o?

Why i got the Mahindra e2o? Electric Car Ownership 2013 to 2021

8/9/2013

Mid 2021 Update!
If any of you is still reading this, this would be the last entry on this 8 year electric car journey! All good things must come to an end. I sold EVA to a very nice family in Pune. Thanks for all the comments and support. This car enabled me to meet wonderful people all over the country and we did some incredible things together like working on the PluginIndia platform, EV Events and more. The EV Community is growing rapidly nowdays compared to 2012. I have linked an interview with the new owner on what changes he made to EVA and how happy he is!

Video : Real Life EV Story : Used Electric Car - Buyers Guide | हिंदी
This was our interview with Abhishek - the new owner of EVA!

Monsoon 2020 update
Hello reader!
Again it's been a while since my last update. I'm hardly driving much these days as i work from home and with the pandemic, social occasions and physical meetings too have disappeared. As of September 2020, EVA has clocked 54,500 km. I thought i will give another update on how we could solve some battery cell issues that were encountered.
I also share some photos from a recent day trip i did. I also did some low SOC testing to check battery cell health.
EVA still performs brilliantly and its just an amazing car considering i have completed 7 years :)

Post Monsoon - Low SOC Testing
It is recommended to perform low State of Charge testing once or twice every month, especially if you are driving less than 800 km per month and if your e2o is more than 5 years old.
So i did 2 days of low SOC testing and checked the cell data. They were doing good. I got 105.5 km with 8% SOC remaining.

Monsoon 2020
Eva had cell issues - How did i solve it?
EVA had a tough 2019 and tough early 2020. As i had not used the car much in 2018, the started experiencing battery cell issues. This resulted in me working with the Mahindra service team for close to 4 months trying to test and analyze the data.
This was was the main issue. And it's a big one and kind of unpredictable.

The car suddenly used to stall randomly even if the State of Charge(SOC) was anywhere between 25% to 60%. The car slows down and the accelerator stops working and you get a message saying 'Charge Car' on the instrument cluster (See video below). You have no option but to pull over and tow it to the service station.
In some cases, i have observed that the car may stall if you go below a certain low state of charge with either the message 'Charge Car' or 'Safe Mode' in the instrument cluster.

I learned later that these messages shown by the car is a protection mechanism to damage your battery pack further.
So the ironic thing is even though you are stuck in middle of the road and its not a good feeling, it is beneficial for the overall life of the battery pack.

'Charge Car' error at 28% SOC

Waiting for two truck!

What causes cell issues?
The Mahindra e2o has 16 LiFePO4 Rechargeable Battery Prismatic Cells. These are branded as Winston Thundersky. These are excellent quality cells and are performing very well in the field. Its been close to 7 years and not even a single e2o customer has changed their entire battery pack as yet.
Each cell's voltage range is between 3.71V to 2.2V. When cells are at low state of charge < 10% SOC, the cell voltages in a healthy battery pack are between 3.00V to 3.1V.
If some cells have issues and even if one cell goes below 2.9V, then the car will stall showing the above error.

You see the e2o's battery pack has a Battery Management System(BMS) that wants you to charge your car overnight for 10 hours atleast twice a week. This gives the time to ensure all the cells voltages are balanced. Its advisable to drive everyday and charge every night once the e2o is more than 5 years old.
Individual cells in the e2o's battery pack, can get weak if

You don't charge regularly
You don't keep cells balanced (charge 3 times a week for 10 hours)
Your driving is way less and you occasionally use the car.
Or you have crossed more than 2000 cycles in the battery pack. This LiFePO4 cells can go beyond 2000 cycles. I have completed around 1000 cycles.

I would recommend you guys to watch the below video, where Raphae discusses about the e2o's battery pack and cell health in depth.

Image credit : www.ionenergy.co

How did i identify weak cell and solve the issue?
So if your e2o experiences consistent and unpredictable stalls at 50-60% or maybe lower than its time to see which one or more cells are weak.
So this is what i did. I drove everyday for 3-4 days from 100% SOC to 25% SOC or till when the e2o stalls. I did the testing near the service center, so its easier to reach out in case i stall! Once i reached a low SOC or when the car stalls, I asked the service technician to connect the car to the laptop which has the 'Vehicle Analyzer' software developed by the old Reva folks. This software will show you the voltages of each cell and you can easily see the cell which has the lowest voltage. See the photos below.

The photo on the left shows how one cell was consistently showing low voltage < 3V even though the car was at 28% SOC. Remember once the cell has a voltage of 2.9V, the car will stall. So i tested this on multiple days after overnight charging and everyday i observed cell #13 was always having the least voltage.
The Mahindra service team floor tested and boosted the cell one day and kept it for overnight charging. And even then i experienced the same data. Cell #13 was always having the least voltage at low SOC.

I did this testing for 4 days and ultimately the service team members at Mahindra gave me the option to change the cell.
Now at this point, i could have opted to not change the cell and drive the car for max 40 km and not more, before recharging! Which was a ridiculous thing to do!
Or i could take the advise of the Mahindra service team and get a new cell which will make the pack better and i could drive like normal for 90+ km.
I changed the single cell and the photo on the right shows the cell voltages at 7% SOC and the new cell #13 is performing brilliantly :)

So if you get this error, you know what to do. You have to get the cells boosted at the service center and do low SOC testing and check cell data.
And then drive your car everyday charge your car everyday. Atleast once or twice a month drain battery to 15% and test the cell health at low SOC. You will be golden.

This image was taken before cell replacement at 28% SOC. Cell #13 has lowest voltage and is close
to 2.9V cutoff

This image was taken after cell replacement at 7% SOC
Cell #13 is performing brilliantly and has highest voltage.

Maintenance Costs after 7 years
So Mahindra electric as usual inflates price of spare parts and charged me Rs 35k for the new cell. I was having none of it and demanded a discount :)
I was finally charged Rs 24k for the new cell. If you read my 2019 update (see below). I had spent around Rs 40,000 in maintenance over 6 years.
With this cell replacement, the total maintenance comes to around 65,000 for 7 years of usage.
This kind of amount is just unheard of in the pollution car world! I have seen people spend more than Rs 40,000-60,000 on maintenance of pollution cars in just one year!

Electric cars are amazing and they will only get better as we are seeing with such capable cars like the Nexon EV being launched in 2020.

Mahindra Electric has failed big time
The problem is the BMS in the e2o does not have active balancing systems and most modern electric cars have top class BMS which keeps evolving in time as the RnD keeps adding features to them. Sadly once Mr Chetan Maini left, the Mahindra team did not invest in RnD which would have benefitted the e2o community greatly.
Also back in 2013 every battery packs were remotely monitored and if there are any issues the servers used to send us preemptive SMS messages, so we can take it to service center. I wonder what has happened to all those automated systems built by the Reva team. Mahindra seemed to have got rid of key processes, personnel and technology that was needed to ensure all e2os on the road were monitored, connected and taken care off.
Unfortunately Mahindra never had any vision to improve on the e2os and this has resulted in difficult experiences for customers.
Letting so many cars belonging to customers stall without any warning is unacceptable. This clearly shows the senior management of ME does not care about its customers

But atleast we are grateful that Mahindra still has equipment and people to service our e2os. So, there is that.
I also would like to thank service team of Mahindra who are super helpful - Mr Anurag at Shiv Mahindra dealer in Pune and Mr Rajib, e2o Service head from Mahindra electric.

Overall i was happy to analyze and solve the issue. But not all customers will go indepth and analyze issues like this. Most owners will leave it to Mahindra service team to fix cell issues. In that case, there is no way of validating if the issue was really solved or did the service personnel just do the bare minimum that was needed which will ensure issue will flare up again. We have had many cases of owners having stall issues multiple times without any understanding. Also we had seen cars in the service station for weeks although that has improved significantly in recent years.

I love the e2o and the Reva team which built it, but i cannot say the same for Mahindra Electric. I would not recommend them until they change and show me a strong technology vision when it comes to Electric Vehicles. My next electric car definitely wont be from Mahindra Electric. That is for sure.

Monsoon 2020 - A small day trip photos!

Eva completed 7 years today and i went on a 80 km odd drive to a beautiful hill top spot near Pune. 77 km done only consumed 47% SOC.

Monsoon 2019 update
Hello reader!
It's been a while since my last update. I decided to check in and add some comments.
EVA has completed 6 years and 50,000 km which is around 8500 km per year.
I have saved more than Rs 3 Lakhs on fuel alone, if i would have gone for a petrol car back in 2013!

EVA has performed brilliantly and reliably over the 6 years. In the 6th year service i had to get the following parts changed.

Wiper blades
Steering components
Gear shifter
Door latch
Suspension upgrades
Battery capacity check - which is a service.

I had to do a battery capacity check, which found that couple of cells had lower capacity. The dealer has specialized equipment to boost these cells and now they are back to normal. Learn more about battery capacity check here.
They also told me i have consumed 912 cycles and i can go upto 2000 cycles.
So as per the report, i should be able to use the e2o Batteries for another 5 years for my use, which is fantastic news.

The service, part replacements including the battery capacity check costed me around Rs 14k this year.
My total maintainance cost on the e2o for 6 years has been

Rs 0 for 5 years annual service
Rs 18,000 for 4th and 5th year extended warranty
Rs 940 for a part change in 3rd year, 2016
Rs 2466 for a part change in 4rd year, 2017
Rs 3700 for AC component change in 5th year, 2018
Rs 14,000 for above mentioned 6th year service, 2019

The extended warranty protected me from electronic part failures like onboard charger, IEMS, AC compressor which are expensive.
I theoretically need not have purchased it. But spending around Rs 40,000 over 6 years is almost unheard of, in the ICE car world.
This really shows how frugal and value for money electric vehicles are!

EVA with PluginIndia sticker in rainy Pune monsoon

Summer 2018 update - Warranty will expire in 2 months!
So EVA is getting old. In August, she will complete 5 years and nearly do 50,000 km.
The car warranty on electronic parts, the extended battery warranty all will expire in a few months!!!

Once the warranty expires, then am at the mercy of electronic part failures. Like Onboard Charger, Controller, IEMS (BMS) board, AC compressor, battery cells might die etc.

The battery is going strong. I'm still getting around 120 km per charge. I feel i can use this battery pack for 3 more years and then re-evaluate. Maybe i can buy a new pack, after the 8th year and also bump up the range to 200 km per charge or more!
Let's see!

I will keep this blog going and report issues and successes of this amazing car! Thanks all for reading and commenting!

Charging at Navi Mumbai on the way to Pune

EVA - still catches people's attention on roads!

Jan 2018 update!
EVA has completed 4 years 5 months and has crossed 40,000 km!

Excellent performance by the e2o over the last 40k km. No major issues faced so far - apart from replacing the IEMS, some sensor replacements and drive fault issues. And all of this was covered under warranty.Multiple trips done outside Pune to Mumbai and other places in heat, pouring rain. All handled very well.
Excellent service by Sahyadri Motors, Pune team too.

Let's see how the next 4 years hold up!!

May 2016 Update
Please note this blog was written almost 3 years back and there have been changes. I will continue to pen my thoughts, as i continue to use EVA and will discuss changes i observe.

Sections

Hello there!

After not owning any sort of vehicle in my life (have lived 30+ years of it), i decided that its time to have some sort of option for personal mobility. So i decided to buy a car.

Most people buy a car just to satisfy a desire, once the desire is satisfied, they get pissed off with the rising costs of maintaining the damn thing and then crib about the sky rocketing fuel prices. Some people even take huge loans and once the desire finishes giving them their 'false happiness', they are stuck with their vehicle and see it as a big burden.
I also know lot of people, who buy a car but use a two wheeler most of the time - pissed off with the sky rocketing fuel prices and high maintenance aspect of their oil based cars.

Of-course the above is not true for people who are well off and don't care bout the price of oil. The above applies to our middle class.
And of-course there are people who have resigned to the fate, bout high fuel prices and just pay it.

I did not want to make the same mistake. I knew there had to be a better option.

An option, where i would feel like using my car for a long time, rather than see it as a burden.
An option, where i knew that using my car would not burn a hole in my pocket due to fuel prices and maintenance.
An option, which would ensure that i don't give my money to large corporations (read OIL).
An option, where i knew that using a car would keep the air in our cities clean.
An option, which would ensure i always have fun driving my car.

Launch of the Solar Powered e2o in Delhi

After waiting for months, The Mahindra e2o electric car was launched in India on March 18th 2013.
And i instantly knew that this was the missing option that our Indian public never had!!

It does not use oil! Ha! Take that, u oil companies!
It does not pollute!
It uses advanced Lithium-Ion battery packs used even by top American and Japanese electric cars like the Tesla Model S and the Nissan Leaf.
It can run on the power of the Sun
You can always stay connected to your car using your mobile phone.
Its an electric car and has less moving parts than oil based cars and thus is virtually maintenance free
It uses Indian made electricity rather than foreign oil, which keeps my running costs down and helps my country.
It does not have an oil based engine, coolant system, oil filters, fan belts, exhaust pipes, transmission changes, oil changes, and nothing to do with oil, oil and oil!! :)

So i decided that this was the perfect option me and there would be great demand for this car.
However, there were some barriers for lots of people.

Costs!

Cost
The car costs Rs 6 to 7 Lakhs and judging by the comments on the Mahindra Facebook page, people were disappointed that this car cost so much. Most countries in the world offer generous subsidies to ensure people go electric and thus help them reduce their OIL import bill. But our Indian government has no such scheme, although the 'National mission for electric mobility' was launched in January.
Now the cost. There are furious arguments bout the prohibitive cost of this car. I agree and wished, Mahindra could have kickstarted this with more aggressive pricing. A cost of 5.5 to 6 lakhs would have had more takers.
When i thought bout this, i realized that the e2o is one of the cheapest Lithium-Ion based electric cars in the world at the rate of $12000 to $15000.
The Tesla Model S costs an approximate $60000. The Nissan Leaf costs around $30000. The newly launched BMW i3 electric costs around $40000.
So here we had Indian engineering being delivered at the fraction of the cost.

The battery pack of an electric car is the most expensive component. The Mahindra e2o has a battery pack that can store 10kWh worth of energy. Apparently, Mahindra pays $550 per kWh for the Lithium packs. So the battery pack itself costs around $5500. This amounts to Rs 330000 and thus the high cost.

Also i would avoid comparing the e2o with the cheapest petrol based car - Nano.
People do this all the time and its wrong, as the e2o has way too many cool features to be compared to the Nano. People make a table, compare the e2o with the cheap cars available in the market and make their point that his car does not give them value.
My argument against such people is that, if there is a comparison to be made - then compare the e2o with cars of similar class and then look at the savings.

So after analyzing this important fact, i realized its okay to pay a premium for technology that was new and for a car that would help me save money every time i drove, due to the low running costs and virtually no maintenance.
It would have been cool to have some sort of help from the government, but sadly it was not to be.

Range in an EV

Range
People would not like to pay Rs 6 to 7 Lakhs for a car which just goes just 100 kilometers and which needs to be charged. These are the same people who would willingly spend the same money on a premium hatchback like the oil powered Nissan Micra, Honda Brio etc.
Why? The only reason is that they could do 'long distance travel'.
Now all of a sudden when people analyze the range of an electric car - everybody wants to go on road trips every weekend, everyone become road warriors - atleast in their heads :)

What everybody ignores is the fact that, most people use their car, 95% of the times in the cities. Going to work, running errands, picking up people etc.
I realized that by buying the e2o i will have to sacrifice long distance driving. Which i would gladly do and whenever i need to go long distance, i would take the train or use the bus or rent a gas car using the savings and the cash that the e2o is printing for me :)
An interesting point to note is that, the e2o is charged using a 15A socket. This means that i could still go on day trips to the mountains near Pune and if needed, charge the car in some hotel or dhabha as the 15A socket is very common.
Yep. I could still make a nice day trip using the e2o.
Heck! I can even do Pune-Mumbai if Mahindra installs their quick charging system. That would be cool :)

Man's greatest invention - Electricity

Dependence on the grid
Some people are even skeptical bout depending on electricity!!! They fear that the grid will collapse and electric cars will get stranded! That applies to OIL too, which by the way is a much more volatile commodity.
Also electricity is generated in India. Whereas OIL is imported from countries that hate us!
Anyway people just want to make an argument for the sake of it and they make it :)
Now the e2o takes 10 units of electricity per charge. Suppose i charge say 3 times a week. That would mean 12 times a month = 120 units a month = Rs 480 (at Rs 4 per unit) just to operate the car. Compare that to Rs 5000 or 6000 people spend of petrol each month.
The cost savings are huge.

Granted that prices of power too could rise, but we could always offset that by installing Solar Panels and run the e2o from the power of the sun for free.

See!! An electric car provides you options that don't exist with an oil based car. With an oil based car, people are stuck/dependent on the Middle East, the Government and the oil companies.

Speed
Speed junkies crib bout the top speed of 80kmph. But that is more that what i need and if i need to speed up and accelerate, i still can go fast. And by the way an electric car has max torque right at 0 RPM (revolutions per minute) and thus the acceleration of the e2o is quiet peppy when u step on the pedal. An internal combustion engine cannot give you max torque at 0 RPM.

Battery Replacement
Yes, i will have to spend around Rs 1 Lakh (current rate) on a new Lithium-Ion Battery pack after 4-5 years.
This is a big amount and is something to be thought bout. However battery technology is evolving pretty fast.And the cost of the batteries have dropped dramatically. They have dropped in half in the last 4 years. Experts in the field say that they will drop further in the next 4 years.Here's a nifty little idea which would put to bed, this worry.
Anyone buying an e2o, can create a recurring deposit of Rs 2000 every month and thus use the interest got from a bank to pay for the battery pack :)

Reliability of the e2o
There is a valid question asked by people. How reliable would this car be? As its the first car released by Mahindra Reva. Its basically a version 1.0 product.
I did some research and found that not be to true.
The concept for this car was developed way back in 2009 and was displayed in the 2009 Frankfurt auto show.
The e2o's predecessor was the Reva which was sold worldwide. So its not as if the e2o is a V1.0 version of the car. There have been lots of customer insights from Reva users and feedback has been received and implemented here in the e2o.

So there should be no worries bout the reliability of e2o as its built on the Reva Platform.

Its a green world with the Mahindra e2o

So having analyzed the shortcomings, the costs, the barriers, i realized this car is perfect for me and i would go for it. I waited for months hoping that i would get the benefit of a subsidy from our government.
But once i saw no action from our lethargic government, i just went to the dealership - took lots of test drives, loved it and booked it. :)

I got the yellow e2o after a month of waiting. I went to the dealer with a friend and saw the shiny new e2o getting ready for puja and prayers. Its a nice touch by Mahindra to ensure that all their dealers perform a ritual/prayer for Lord Ganesh - the remover of obstacles.

EVA is born!

Offering to Lord Ganesh!

So i named the yellow bombshell - EVA. It just came to me that morning :)
Here are some photos of EVA along with captions explaining them.

EVA getting charged in the basement of my apartment

REVA was the pioneer - Just a reminder

Coolest dash u will see on Indian roads

7 inch touch screen - GPS Navigation, iPod, USB, SD Card, Bluetooth, DVD, Reverse Camera. Even luxury sedans don't have these features.

OK now we discuss my experience of using the e2o during the first month. I shall call the car - EVA.
As that's what i named her :)

First thing u notice, how quiet EVA is. She really is quiet, especially when the AC is turned off.
That is because there is no engine noise. You hear a faint whine of the electric motor.
You step on it then you observe that there is good acceleration due to the instant torque but you don't feel the vibration and they don't hear the noise. Its just a smooth acceleration. All EVs are like this and i was pleasantly surprised that the e2o was this silent.
The Range estimation is very accurate provided we stick to using the 'F' (Forward) mode and not accelerating in an inefficient way.
For example we traveled from Baner to Amanora Town Center in Pune - a distance of 22 km. The charge on EVA while starting was 98km. We drove with the AC on all the time and FM radio playing.
When i got back the range left was 50km. So it used up 48km worth of energy for a distance of 44km. It consumed 4km worth of range for the AC and the electronics.
EVA is such a pleasure to drive with the automatic transmission especially in stop and go traffic.
Very good braking system. We got down from 60 to a virtual standstill in bout 4 seconds.
We reached a top speed of 84 kms in the Mumbai-Pune Old Highway. Unlike the Internal Combustion Engine cars, EVA does not make any fuss/noises when stretched to its limits. That's bcos there are no moving parts apart from the motor.
I hardly use the Boost mode. I stick to Forward most all the time, I only use the Boost mode if i need to go beyond 65kmph. The Forward mode is more economical.
All u need is a 15A socket to charge her.
A techie's dream - 7 inch touch screen - GPS Navigation, iPod, USB, SD Card, Bluetooth, DVD, Reverse Camera, Mobile phone integration - even luxury sedans don't have these features.
Almost 0 maintenance vehicle. All we need to change is brake oil and tire checkups once a year. Also the Mahindra Authorized Service guy told me to better to check for air pressure of 35 ps. Its better add some air once a month in the tires.
No Power Steering. The lack of power steering is not noticed when changing lanes or slowing down during a turn etc. But its noticed when at lower rev's.
Scratch & Dent proof body - a plus in Indian chaos.
An all digital car - where EVA gets various software upgrades that can give added functionality in the future. This again is a first. Your car grows with age :)

Here are some frequently asked questions and hopefully i can answer them.

Will we get the entire 100km as range in the e2o?
Yes. If you don't use the climate control and drive using the 'F' (Forward) mode and not using 'Boost' mode often. Also step on the accelerator gently instead of pushing it hard. This will ensure gradual release of electrons that move between the Cathode and Anode, rather than forcing them to move fast through the electrolyte, which results in loss :)
Is 100km range enough?
It depends. In a city like Pune its perfect, as i can traverse the length & breadth of the city and still have some juice left on me. In bigger cities - you might have to charge the car to get back.
But trust me - 100km is a fairly large distance. And this will work for lots of users.
Have u really gotten in a situation where u run out of range and u r stuck?
This would never happen, as i know the exact distance of my journey and i plan ahead for it. If am doing a 60km ride, i ensure that i fully charge the batteries. Well, even if you are stuck, there is this cool REVIVE feature where Mahindra will remotely activate some power for you to go on. Its clever move by Mahindra to preserve the life of a battery pack as Lihium-Ion batteries don't like to be deep discharged.

That's all i could think off. Feel free to ask more questions and i shall answer them, if i can.
So there you have it folks, EVA is quirky, quiet, does not pollute and is electrifying :)

EVA - Center of attraction

Dude - An ex EV cynic totally floored by EVA :)

My friend - Dude who was a complete EV cynic has now made a 180 degree turn after enjoying the EV experience. It was eye opening experience for him. And is considering buying an e2o.

You hear stories like this all the time in the EV world.

What it takes for people to get interested in these vehicles, is a test drive. Once they get on the car - step on it then they see that there is good acceleration due to the instant torque but they don't feel the vibration and they don't hear the noise. Its just a smooth acceleration.

Then they realize that -
"Oh My God! This is a good car!"

Then u can start telling them bout the social implications like - there is no war for electricity, there is no pollution, u r not sending money out of your country then they realize that this is a life changing vehicle.
With all the troubles we have in the world - How the banks and large corporations (OIL) are hoarding money.
All of us give them the money.
Electric car owners stop giving them the money. The electric car owners pays a little bit to the utilities and they spend the money on things they want to buy and thus vitalizing our local economy.

Instead of sending 150 Billion $ on imported oil each year we keep the money here and keep our wealth in India.

When production ramps up in the future, when we have multiple companies launching electric cars - am sure the electric car will be on everyone's thoughts!

For now, am happy to be part of this revolution.

What a wonderful world!

UPDATE - 08/23/2013 (Self Aware EVA)

I keep learning cool things bout EVA.

Scenario 1
I went to get some groceries and got back home. I parked EVA in my parking lot, i lock her and head to the elevator. As i was waiting for the elevator to come down. I get an SMS from Mahindra... It was EVA!

The message read as follows
23rd August 2013 - 20:05 hrs. Did you forget to pull the hand brake? Always pull up the hand brake before you exit the car.
Scenario 2
The other day i went down at 11:45 PM to charge EVA as she was low on juice. I instructed the watch man who stays awake all night, to switch the plug off after 3 AM. As i knew EVA would have got fully charged by then and its no good keepin the current flowing. The watchman did as instructed and switches off the power.
I wake up at 7AM and see this Text message in my inbox... It was from EVA!
The message read as follows
21rd August 2013 - 03:05 hrs. The car is fully charged and the power was turned off. But the charge plug is still plugged into the socket. Do unplug the charging cable from the car's socket.

Scenario 3
I got back from work and I parked EVA in my parking lot and head to the elevator. As i was waiting for the elevator to come down. I get an SMS from Mahindra... It was EVA again!

The message read as follows
22rd August 2013 - 19:35 hrs. Did you forget to lock your car? No worries - Use your mobile phone to lock the car.

This kind of self awareness and prompt communication is unheard off in any Indian car.
EVA is truly self aware and is clever. Every user mistake or an anomaly detected in the car is recorded and sent to the Mahindra servers and the back-end system automatically updates the user on issues.
Now this is COOL :)

UPDATE - 08/27/2013 (Range testing)

Yesterday, just for fun, i just drove in a super inefficient manner - like stepping on the accelerator pedal for fun, slamming the brakes etc.
This was while driving from home to work (distance of around 10km) and my starting range left was 45km and when i reached office - it was 32km. There was no AC on. So due to my inefficient driving it used up 13 km worth of range.

Today, i went gentle on the pedal and ensure there was gradual acceleration. When i started the range left was 85 km and by the time i got to my workplace back it was 77km (it used up 8 km worth of range)

So efficient driving and being calm bout situations will help you get better range. It does not mean i went at a slow speed of 30kmph.
Its far from the truth. There were sections where i was on a constant 60kmph. Its all bout the force u exert on the pedal.

The more force exerted on the pedal, the more electrons are forced to swim through the elctrolyte from the Anode to the Cathode giving u more power but less range.

The driver is often the number one cause of reduced electric car range.
It comes down to stress, poor driving habits, or lack of concentration. Given yourself 10 extra minutes to make the trip, you’ll find you’re calmer and much less stressed behind the wheel. A calmer driver is a more attentive driver, making it easier to maximize your car’s energy saving regenerative braking and make smart choices when it comes to reading traffic flow.

Why speed up to every red light, slam on the brakes, and speed away again to the next light?

UPDATE - 08/31/2013 (EVA goes Out of the City)

Who says E2O is a city car! We just went to the mountains near Pune and drove around 110kms without charging anywhere midway. We still had 8kms worth of energy when we got back!
Which OIL based car can cover a distance of 110km and get it done by using 92km worth of energy?
Watch to find out how!

We could cover 110km due to the magic of regenerative braking. In a battery-powered electric vehicle, regenerative braking (also called regen) is the conversion of the vehicle’s kinetic energy into chemical energy stored in the battery. It is regenerative because the energy is recaptured in the battery where it can be used again.

We kid you not! At the top of the Lavasa hill we had around 40kms range left and when we reached the bottom, we gained 10kms worth of energy which ensured that we had 50km worth of energy left. It gave us a lot of peace of mind as we did not find a 15Amp socket to charge EVA.

While going back, we had around 25kms left, at the Lavasa gate but we still had to cover 45km and the magic of regenerative braking ensured we got back home with 8km worth of energy left

UPDATE - 06/09/2013 (Teeny Weeny nuggets of information!)

Some updates on how the car feels after using it for a while and some aspects that will delight you and some which might annoy you :)

Lots of experienced ICE based car drivers were surprised by the instant torque and power available from the 0 kmph. They did not expect an electric car to have that kind of acceleration. That's the first thing ICE based drivers observe when they step on the pedal - the instant acceleration. So you will never be left behind on traffic lights.
The brakes takes time getting used to. One friend who drives an ICE based car, applied pressure on the brakes just like he would normally do on his car and the car almost stopped! Luckily we did not get rear ended.
The brakes have an unpredictable and sudden bite to them. But i got used to it in one day. It did not cause a problem for me.
Lots of friends admired the ride quality. Its absolutely satisfactory. You don't feel small potholes etc. The Macpherson strut suspension system is used in most sedans and is used here, so the ride quality is good.
Power steering - Now i was apprehensive bout the lack of it. And i dont feel the need to have it on the e2o while driving or while even making turns. I only feel it when i park the car in my garage. Thatz when, i need too do lots of revolutions and it can be frustrating. But its no big deal, although it would have been a plus.
Dent Proof & Scratch proof panels - I had a bike guy scraping his bike on the side and i noticed no scratch. This is a plus in crowded Indian cities, where u encounter absolute chaos and bumper to bumper situations.
Silence - Is just wow! When u turn off the AC and step on the pedal, It feels like you are in a Limo. Its that silent with no vibrations, especially when the road is of good quality :).
No Indian ICE based cars can give u that kind of silence.
The range estimation is spot on especially when u don't use the AC. No bugs or issues so far. But it remains to be seen if the range estimation by the BMS in the e2o's battery pack will still be accurate after say a year's usage. For now, Mahindra's got it right.
Regenerative Braking - What a feature. Mahindra Reva has nailed this and it works brilliantly, as the video blog illustrates. Even in the city if my trip is about 12 kms, due to the start and stop nature of the journey, i see sometimes the E2O has just consumed around 9km worth of energy. This indicates that whenever i brake or take the foot off the accelerator pedal, the motor becomes a generator and the the vehicle's kinetic energy is converted to electricity which flows back into the battery pack.
I luv the science behind it and i luv how electric cars use this feature to make sure that each drive takes only the amount of energy needed and nothing more, nothing less.
Energy Consumption - Energy is not consumed when we stop in a traffic signal or when i brake or take the foot off the accelerator pedal. Energy is only consumed when i step on the pedal. The sheer frugality on the energy consumption for each drive, really makes you sit up and notice! Which ICE based car can give you such energy saving features?
My friend made an interesting observation. This is what he said -
"there were few kacha roads in our drive to Lavasa - an electric car has a definite edge as i am not losing more charge when driving in such roads especially when we brake and stop and start. Where as a gas car will just hog fuel as we need to run on lower gears". Now am not a geared driving/ICE car expert. If anyone wants to contradict, please feel free to message.
No need to start engine to start AC. Well, there is no engine here :)
If you commute takes you to a highway then you will have to note that in "Forward" (F) mode, once you cross 60 km/h, progress gets slower and throttle response is fairly dead. Then you switch to 'Boost' mode and you can easily get to 85kmph. Be warned - That eats up charge. I never use 'Boost' mode. Never felt the need to. I always drive in 'F' mode.
Hills are not a problem. And we have lots of hills here in Pune. I tackle them in 'F' mode and e2o's instant torque plays a big factor.
Performance is virtually the same if it's at 100% charge or 25% charge. No need to panic if the charge goes down.
When it comes to charging - i see that the battery pack's state of charge goes from 20% to 100% in around 4 hours. Also when u charge there is a light whine of a fan. Most probably cooling the battery pack. Its recommended to let the car cool down for an hour or so and then charge. For example, i come from work at 7 pm. I get back to the parking lot at 10 pm and start the charging process. This is important as the Lithium-Ion chemistry does not like heat. Heat builds up during discharge (when u drive) and heat builds up when u charge the pack.
So its a good practice to enhance the life of a battery pack.
Overall the best vehicle for a city drive.

The Numbers - August 2013

1 kWh = 1 unit of electricity
1 unit = Rs 5 (including taxes and other charges)

All Home Charging Done Using: Mahindra charge point plugged into a 15 AMP socket
Total km Driven at Month End: 1035 km (80 kms on odometer at delivery)
Km Driven in Month: 955 km
Electric Power Used for Charging in Month: 95 kWh (measured at wall power source)
Public Charging in Month, Power Use: 0 kWh
Charging at Home in Month, Power Use: 95 kWh
Energy Efficiency, Month: 10.05 km/kWh
Total Charging Energy Used, Lifetime: 95 kWh
Energy Efficiency, Lifetime: 10.05 km/kWh
Number of Home Charging Days in Month: 9 nights
Household Power Used for Month: 73 kWh (without car charging)
Total Power Used for Month: 168 kWh (includes car charging)
Electric Bill Amount: Rs 840
Cost of charging the CAR - August : Rs 475
Cost for Charging Cars, Lifetime - August: Rs 475
Maintenance and Repair Costs For 2013 Car to Date: Rs 0
Average km per Driving Day in August: 30 km
Longest Day's Driving in August: 71 km (Couple of Mall trips to the other side of Pune)
Number of times, i charged outside my home: 1. We charged EVA in a hotel near Mulshi lake for FREE!!
Unexpected Low Charge and Unable to Reach Destination: Never

So there u have it guys. I spent Rs 475 to ferry myself all month in the comfort of a car.
Even Bikes cant give u this economy.

The Numbers - September 2013

1 kWh = 1 unit of electricity
1 unit = Rs 5 (including taxes and other charges)

All Home Charging Done Using: Mahindra charge point plugged into a 15 AMP socket
Total km Driven at Month End: 2140 km
Km Driven in Month: 1185 km
Electric Power Used for Charging in Month: 118.5 kWh (measured at wall power source)
Public Charging in Month, Power Use: 0 kWh
Charging at Home in Month, Power Use: 118.5 kWh
Energy Efficiency, Month: 10.04 km/kWh
Total Charging Energy Used, Lifetime: 213.5 kWh
Energy Efficiency, Lifetime: 10.045 km/kWh
Number of Home Charging Days in Month: 12 nights
Household Power Used for Month: 91.5 kWh (without car charging)
Total Power Used for Month: 210 kWh (includes car charging)
Electric Bill Amount: Rs 1050
Cost of charging the CAR - September : Rs 592.5
Cost for Charging Cars, Lifetime - : Rs 475 + 592.5 = Rs 1067.5
Maintenance and Repair Costs For 2013 Car to Date: Rs 0
Average km per Driving Day in September: 30 km
Longest Day's Driving in September: 92 km
(Our Lavasa Trip. A distance of 110km covered just using 92 km worth of energy. A new kind of energy efficiency is observed)
Number of times, i charged outside my home: 0
Unexpected Low Charge and Unable to Reach Destination:
During our Lavsa trip, we had 8km worth of energy left. But it was not unexpected!

So there u have it guys. I spent Rs 592 to ferry myself all month in the comfort of a car and covered
1185 km.

UPDATE - 26/10/2013 (Software Update and Battery Warranty!)

Mahindra guys called me last month and told me to get my car to the Mahindra service station.
They told me that they will make some software changes and also fix some issues on the door.

One important software update was done to the charging mechanism.
Earlier when we plugged in the charging cable and used my mobile app to start the AC, the power was being pulled in from the Battery.
But with the software update in the controller, the power is now pulled in from the mains.

I feel this is a really cool update. This is the only car in India, where a customer gets additional functionality after purchase. This can happen as the e2o is a digital car.

Also they had to fix something on the door handle.
Apart from that they added Misc software bug fixes (like Some customers reported invalid SMS's etc)

The software guys, i met were courteous and professional. some of the guys were working with the REVA team since 1998. Which is really cool. Nice bunch of people.

Mahindra called me and informed that my Battery warranty would get extended to 5 years.
So that is a nice plus

Yellow Reva and Yellow Nano!

UPDATE - Fun Observations!

Here are some interesting observations after using the car for almost 5 months

EVA is a head turner and people ask me questions bout the car everyday. The kind of interest generated by the car is staggering. This shows people are interested in EVs and want to get away from this mad OIL dependence. There is a market for this. I feel the other automobile manufacturers like Tata, Maruti, Hyundai really need to get into the EV business.
People also instantly recognize the car by the name 'Reva'. No one uses 'e2o'. Reva is a good brand, i wonder why Mahindra went for a different name.
My 'fuel' expenses is coming upto Rs 500 per month and i use the car for more than 1000 km a month. The is easily saving me Rs 5000 every month as compared to using a Petrol car.
You do the math and then realize that in a year, this car will give you Rs 60,000 just on fuel savings. Also, i did not factor the maintenance an average ICE based car will go through.
So if people are worried that they are spending Rs 6.5 Lakh to Rs 7.5 Lakh (based on the city) to buy the e2o, they can safely go ahead with the purchase. This is because the extra amount of
Rs 1 Lakh they pay over a petrol car will be recouped pretty soon.
After a crazy day's work, you get inside the e2o and start driving. You shut the windows and don't turn on the AC for a while. The silence is so soothing. The car makes no noise and vibrations and the outside noise is cut off. Its like you are cocooned in your own world.
Honestly, the silence is therapeutic!
The idea of not going to a petrol bunk is very convenient. I don't have to stand in lines in a petrol bunk. I just plug it in after work and i just charge it twice a week.
I also program it to start charging only after 12 am midnight. That's when the ambient temperature is cool and the grid too has excess power too.
Use my iPhone, program the schedule and it charges at 12 midnight till around 4 am, when plugged in. Very convenient.
The most hilarious question asked by a stranger - Bhaisab! Ismein CNG kit laga sakta hai kya?

The Numbers - October 2013

1 kWh = 1 unit of electricity
1 unit = Rs 5 (including taxes and other charges)

All Home Charging Done Using: Mahindra charge point plugged into a 15 AMP socket
Total km Driven at Month End: 2840 km
Km Driven in Month: 700 km
Electric Power Used for Charging in Month: 71.0 kW (measured at wall power source)
Public Charging in Month, Power Use: 0 kWh
Charging at Home in Month, Power Use: 71.0 kW
Energy Efficiency, Month: 9.85 km/kWh
Total Charging Energy Used, Lifetime: 284.5 kWh
Energy Efficiency, Lifetime: 9.98 km/kWh
Number of Home Charging Days in Month: 7 nights
Household Power Used for Month: 108.0 kWh (without car charging)
Total Power Used for Month: 179 kWh (includes car charging)
Electric Bill Amount: Rs 840
Cost of charging the CAR - October: Rs 355
Cost for Charging Cars, Lifetime - : Rs 475 + 592.5 + 355 = Rs 1422.5
Maintenance and Repair Costs For 2013 Car to Date: Rs 0
Average km per Driving Day in October: 22 km
Longest Day's Driving in October: 65 km (went to other side of Pune to meet the Go Green Motors guy)
Number of times, i charged outside my home: 0
Unexpected Low Charge and Unable to Reach Destination: None

So there u have it guys. I spent Rs 355 to ferry myself all month in the comfort of a car and covered
700 km.

UPDATE - 16/12/2013 (Winter Software Update)

EVA getting updated.

EVA gets another software update and the REVA engineers perform some hardware checks too.

The main update was made to the software, which detects the temperature and if the is less than 7-8 degrees, the controller is told to warm the battery pack.
Most batteries don't work well below 10 degrees and sometimes the temperature at night and early mornings in Pune go well below 7 degrees.
This is a problem in Delhi and other cities as well.
So this is an important update to protect the battery pack.

Under the hood - The Intelligent Energy Management System, The charge controller shown here

Software update being pushed

Hardware checks performed

I really like the way Mahindra REVA is proactively pushing updates to customers and performing hardware checks regularly too.
This is really important and gives a lot of peace of mind to the customers.
So far my experience with REVA has been very pleasant. The people are very knowledgeable and it really looks like they take customer satisfaction seriously.

The Numbers - November 2013

1 kWh = 1 unit of electricity
1 unit = Rs 6 (including taxes and other charges)

All Home Charging Done Using: Mahindra charge point plugged into a 15 AMP socket
Total km Driven at Month End: 3730 km
Km Driven in Month: 890 km
Electric Power Used for Charging in Month: 90.0 kW (measured at wall power source)
Public Charging in Month, Power Use: 0 kWh
Charging at Home in Month, Power Use: 90.0 kW
Energy Efficiency, Month: 9.88 km/kWh
Total Charging Energy Used, Lifetime: 374.5 kWh
Energy Efficiency, Lifetime: 9.95 km/kWh
Number of Home Charging Days in Month: 9 nights
Household Power Used for Month: 56.0 kWh (without car charging)
Total Power Used for Month: 146 kWh (includes car charging)
Electric Bill Amount: Rs 895
Cost of charging the CAR - November: Rs 540
Cost for Charging Cars, Lifetime - : 1422.5 + 540 = Rs 1472.5
Maintenance and Repair Costs For 2013 Car to Date: Rs 0
Average km per Driving Day in November : 29 km
Longest Day's Driving in November: 70 km (went to east Pune couple of times)
Number of times, i charged outside my home: 0
Unexpected Low Charge and Unable to Reach Destination: None

So there u have it guys. I spent Rs 540 to ferry myself all month in the comfort of a car and covered
890 km.

The Numbers - December 2013

1 kWh = 1 unit of electricity
1 unit = Rs 6 (including taxes and other charges)

All Home Charging Done Using: Mahindra charge point plugged into a 15 AMP socket
Total km Driven at Month End: 4700 km
Km Driven in Month: 970 km
Electric Power Used for Charging in Month: 98.0 kW (measured at wall power source)
Public Charging in Month, Power Use: 0 kWh
Charging at Home in Month, Power Use: 98.0 kW
Energy Efficiency, Month: 9.89 km/kWh
Total Charging Energy Used, Lifetime: 472.5 kWh
Energy Efficiency, Lifetime: 9.94 km/kWh
Number of Home Charging Days in Month: 10 nights
Household Power Used for Month: 53.0 kWh (without car charging)
Total Power Used for Month: 151 kWh (includes car charging)
Electric Bill Amount: Rs 840
Cost of charging the CAR - December: Rs 588
Cost for Charging Cars, Lifetime - : 1472.5 + 588 = Rs 2060.5
Maintenance and Repair Costs For 2013 Car to Date: Rs 0
Average km per Driving Day in December: 31 km
Longest Day's Driving in December: 80 km (went to East Pune couple of times in the same day)
Number of times, i charged outside my home: 0
Unexpected Low Charge and Unable to Reach Destination: None

So there u have it guys. I spent Rs 588 to ferry myself all month in the comfort of a car and covered
970 km.

UPDATE - 04/01/2013 (EVA sports new stickers!)

I designed couple of stickers and got them printed.
The first sticker says it all. Its an electric car that plugs in and uses domestic electricity instead of imported oil - NO MO OIL
The second sticker talks bout the Lithium chemistry that makes this wonder happen!

The Numbers - January 2014

Did not drive much this month as i had to go out of station for couple of weeks.
And that reflected in the Numbers

1 kWh = 1 unit of electricity
1 unit = Rs 6 (including taxes and other charges)

All Home Charging Done Using: Mahindra charge point plugged into a 15 AMP socket
Total km Driven at Month End: 4970 km
Km Driven in Month: 270 km
Electric Power Used for Charging in Month: 26.0 kW (measured at wall power source)
Public Charging in Month, Power Use: 0 kWh
Charging at Home in Month, Power Use: 26.0 kWh
Energy Efficiency, Month: 10.3 km/kWh
Total Charging Energy Used, Lifetime: 498.5 kWh
Energy Efficiency, Lifetime: 9.97 km/kWh
Number of Home Charging Days in Month: 3 nights
Household Power Used for Month: 61.0 kWh (without car charging)
Total Power Used for Month: 87 kWh (includes car charging)
Electric Bill Amount: Rs 522
Cost of charging the CAR - January: Rs 156
Cost for Charging Cars, Lifetime - : 2060.5 + 156 = Rs 2216.5
Maintenance and Repair Costs for the Car to Date: Rs 0
Average km per Driving Day in January: 8.7 km
Longest Day's Driving in January: N.A
Number of times, i charged outside my home: 0
Unexpected Low Charge and Unable to Reach Destination: None

So there u have it guys. This was a slow month and the numbers showed

The Numbers - February 2014

More than 6 months and EVA is going great. No servicing and maintenance issues so far.

Just the other day, a Hyundai Verna guy scrapped past me. He was in a hurry. We stopped and he apologized. I saw a deep dent and a white scratch on the black Verna. There was nothing on EVA. Am sure that guy spent close to 20k to repair the scratches. This again illustrates the superiority of plastic over metal for Indian city driving. Great job Reva!

I also had to leave EVA for a few days as i had to go outside Pune.

1 kWh = 1 unit of electricity
1 unit = Rs 6 (including taxes and other charges)

All Home Charging Done Using: Mahindra charge point plugged into a 15 AMP socket
Total km Driven at Month End: 5390 km
Km Driven in Month: 420 km
Electric Power Used for Charging in Month: 44.0 kW (measured at wall power source)
Public Charging in Month, Power Use: 0 kWh
Charging at Home in Month, Power Use: 44.0 kWh
Energy Efficiency, Month: 9.5 km/kWh
Total Charging Energy Used, Lifetime: 542.5 kWh
Energy Efficiency, Lifetime: 9.97 km/kWh
Number of Home Charging Days in Month: 5 nights
Household Power Used for Month: 57.0 kWh (without car charging)
Total Power Used for Month: 101 kWh (includes car charging)
Electric Bill Amount: Rs 610
Cost of charging the CAR - Februrary: Rs 264
Cost for Charging Cars, Lifetime - : 2216.5 + 264 = Rs 2480.5
Maintenance and Repair Costs for the Car to Date: Rs 0
Average km per Driving Day in February: 14 km
Longest Day's Driving in February: N.A
Number of times, i charged outside my home: 0
Unexpected Low Charge and Unable to Reach Destination: None

So there u have it guys. This was again slow month and the numbers showed. But still for all my purposes, the 'fuel' cost for me has been Rs 2480.5 for over 7 months of using the e2o

The Numbers - March 2014

1 kWh = 1 unit of electricity
1 unit = Rs 6 (including taxes and other charges)

All Home Charging Done Using: Mahindra charge point plugged into a 15 AMP socket
Total km Driven at Month End: 5870 km
Km Driven in Month: 480 km
Electric Power Used for Charging in Month: 48.0 kW (measured at wall power source)
Public Charging in Month, Power Use: 0 kWh
Charging at Home in Month, Power Use: 48.0 kWh
Energy Efficiency, Month: 10 km/kWh
Total Charging Energy Used, Lifetime: 590.5 kWh
Energy Efficiency, Lifetime: 9.94 km/kWh
Number of Home Charging Days in Month: 5 nights
Household Power Used for Month: 84.0 kWh (without car charging)
Total Power Used for Month: 132 kWh (includes car charging)
Electric Bill Amount: Rs 790
Cost of charging the CAR - March: Rs 288
Cost for Charging Cars, Lifetime - : 2480.5 + 288= Rs 2768.5
Maintenance and Repair Costs for the Car to Date: Rs 0
Average km per Driving Day in March: 16 km
Longest Day's Driving in March: N.A
Number of times, i charged outside my home: 0
Unexpected Low Charge and Unable to Reach Destination: None

So there u have it guys. For all my purposes, the 'fuel' cost for me has been Rs 2768.5 for over 8 months of using the e2o

6000 km for around Rs 3000 - Which car can beat that?

I drove EVA to our ashram 35 km from Pune in the mountains. I enjoyed the drive in the mountains. Need to do his more!

Beautiful ashram surroundings

The Numbers - April 2014

1 kWh = 1 unit of electricity
1 unit = Rs 6 (including taxes and other charges)

All Home Charging Done Using: Mahindra charge point plugged into a 15 AMP socket
Total km Driven at Month End: 6360 km
Km Driven in Month: 490 km
Electric Power Used for Charging in Month: 50.0 kW (measured at wall power source)
Public Charging in Month, Power Use: 0 kWh
Charging at Home in Month, Power Use: 50.0 kWh
Energy Efficiency, Month: 9.8 km/kWh
Total Charging Energy Used, Lifetime: 640.5 kWh
Energy Efficiency, Lifetime: 9.93 km/kWh
Number of Home Charging Days in Month: 5 nights
Household Power Used for Month: 97.0 kWh (without car charging)
Total Power Used for Month: 147 kWh (includes car charging)
Electric Bill Amount: Rs 880
Cost of charging the CAR - April: Rs 300
Cost for Charging Cars, Lifetime - : 2768.5 + 288= Rs 3068.5
Maintenance and Repair Costs for the Car to Date: Rs 0
Average km per Driving Day in April: 16 km
Longest Day's Driving in April: N.A
Number of times, i charged outside my home: 0
Unexpected Low Charge and Unable to Reach Destination: None

So there u have it guys. For all my purposes, the 'fuel' cost for me has been Rs 3068.5 for over 9 months of using the e2o

The Numbers - May 2014

1 kWh = 1 unit of electricity
1 unit = Rs 6 (including taxes and other charges)

All Home Charging Done Using: Mahindra charge point plugged into a 15 AMP socket
Total km Driven at Month End: 6980 km
Km Driven in Month: 620 km
Electric Power Used for Charging in Month: 61.0 kW (measured at wall power source)
Public Charging in Month, Power Use: 0 kWh
Charging at Home in Month, Power Use: 61.0 kWh
Energy Efficiency, Month: 10.1 km/kWh
Total Charging Energy Used, Lifetime: 710.5 kWh
Energy Efficiency, Lifetime: 9.83 km/kWh
Number of Home Charging Days in Month: 6 nights
Household Power Used for Month: 64.0 kWh (without car charging)
Total Power Used for Month: 125 kWh (includes car charging)
Electric Bill Amount: Rs 750
Cost of charging the CAR - May: Rs 366
Cost for Charging Cars, Lifetime - : 3068.5 + 366 = Rs 3434.5
Maintenance and Repair Costs for the Car to Date: Rs 0
Average km per Driving Day in May: 20 km
Longest Day's Driving in May: N.A
Number of times, i charged outside my home: 0
Unexpected Low Charge and Unable to Reach Destination: None

So there u have it guys. For all my purposes, the 'fuel' cost for me has been Rs 3434.5 for over 10 months of using the e2o

The Numbers - June & July 2014

These two months have been slow. I had been to Europe for 3 and half weeks so, EVA was in vacation mode.
Those interested can read my blog on Europe and EVs
However there was a glitch waking up EVA when i got back from vacation. EVA just would not start charging. So i had to call the Mahindra REVA guys. Turned out that the Intelligent Energy Management System (IEMS) which is the master system was not able to wake up. The Mahindra Reva engineer visited my home and replaced the entire IEMS and then EVA started charging and its been normal ever since. I did not have to pay anything.

Reva Engineer testing out the new IEMS board

I get back from Europe and i see Monsoon rains here! What a pleasure it is to drive EVA in the rains!
Here is a photo of EVA drenched in rain in the Balewadi Stadium, where i run every morning :)

The numbers
1 kWh = 1 unit of electricity
1 unit = Rs 6 (including taxes and other charges)

All Home Charging Done Using: Mahindra charge point plugged into a 15 AMP socket
Total km Driven at Month End: 7810 km
Km Driven in Months: 830 km
Electric Power Used for Charging in Months: 83.0 kW (measured at wall power source)
Public Charging in Months, Power Use: 0 kWh
Charging at Home in Months, Power Use: 83.0 kWh
Energy Efficiency, Months: 10 km/kWh
Total Charging Energy Used, Lifetime: 793.5 kWh
Energy Efficiency, Lifetime: 9.84 km/kWh
Number of Home Charging Days in 2 Months: 9 nights
Household Power Used for Months: 73.0 kWh (without car charging)
Total Power Used for Month: 156 kWh (includes car charging)
Electric Bill Amount: Rs 940
Cost of charging the CAR - June & July: Rs 438
Cost for Charging Cars, Lifetime - : 3434.5 + 438 = Rs 3872.5
Maintenance and Repair Costs for the Car to Date: Rs 0
Average km per Driving Day in June & July: 13 km
Longest Day's Driving in June & July: N.A
Number of times, i charged outside my home: 0
Unexpected Low Charge and Unable to Reach Destination: None

So there u have it guys. For all my purposes, the 'fuel' cost for me has been Rs 3872.5 for 11 months 25 days of using the e2o :)

The Numbers -August 2014

Its been 1 year driving an electric car and what an amazing journey!
We have been incredible surprised by the reliability of the e2o. We had to spend nothing on repairs or maintenance.
We here are seeing the extreme efficiency of the electric motor and the reliability of it.

Just the fact that this car has saved over 800 litre's of oil, which is usually imported means a lot to me personally.
If we all have to do our bit for the country, this is one small way.

Also the real important point is how this car uses so much energy and is so efficient. This is a point that is very difficult to get across. For example - I drive to Pavana Dam - a round trip distance of 105 km and this car just consumed around 78 km worth of energy. I had around 24 km of energy left, which truly boggles the mind.
This car uses the so less energy per km than even the most super efficient petrol engine and even more efficient than some petrol bikes. All this because of the efficiency of the electric motor.
The impact of the energy used is astronomically lower and thus this car is greener than anything we have on the road.
Yes, even if your electricity is powered by Coal.
Its time for the petrol heads, the EV cynics and people who are resistant to change to see a live example in energy efficiency right here!

This electric car offers the potential to use energy from renewable sources. You can install a solar panel and run on clean electrons.
And if you stick to the grid, consider this as the grid gets cleaner, your electric vehicle gets cleaner in time.
Can that be said about ICE based vehicles? They will always remain dirty and bad!!!

In August i took EVA outside the city a lot to the mountains in Pune. Here are some pics.

EVA in the lush green mountains near Pune

Charging in a kitchen of a restaurent in Lavasa. You can read the crazy story here!

More stunning scenery in the mountains near Pune

Ah! Pavana Lake!!!

The numbers
1 kWh = 1 unit of electricity
1 unit = Rs 6 (including taxes and other charges)

All Home Charging Done Using: Mahindra charge point plugged into a 15 AMP socket
Total km Driven at Month End: 8620 km
Km Driven in Months: 810 km
Electric Power Used for Charging in Months: 81.0 kW (measured at wall power source)
Public Charging in Months, Power Use: 0 kWh
Charging at Home in Months, Power Use: 81.0 kWh
Energy Efficiency, Months: 10.6 km/kWh
Total Charging Energy Used, Lifetime: 874.5 kWh
Energy Efficiency, Lifetime: 9.85 km/kWh
Number of Home Charging Days in August: 6 nights
Household Power Used for Months: 65.0 kWh (without car charging)
Total Power Used for Month: 146 kWh (includes car charging)
Electric Bill Amount: Rs 840
Cost of charging the CAR - August: Rs 486
Cost for Charging Cars, Lifetime - : 3872.5 + 486 = Rs 4358.5
Maintenance and Repair Costs for the Car to Date: Rs 0
Average km per Driving Day in August: 27 km
Longest Day's Driving in August: 90 km to Lavasa and 76 km to Pavana Lake
Number of times, i charged outside my home: 1 (We went to Lavasa and had to charge in a restaurant's Kitchen!)
Unexpected Low Charge and Unable to Reach Destination: None

Winter 2014

I will now give updates every 3 to 4 months as there is not much to say.
So guys, it has been 1 year 4 months driving the e2o and EVA is very steady and reliable. I have crossed 11,000 kms and my total 'electricity' charges are around Rs 5000. I have spent Rs 0 on servicing and maintainance and EVA is a joy to drive with that great low rev torque and instant pickup making city driving such a pleasure.

Summer 2015

All right guys! Its been a while since i have updated this blog.
Its been almost 1 year 10 months driving the e2o and i'm nearing 14,000 km and my total electricity charges are around
Rs 7000. The cost per km is still at Rs 0.50 paise per km.
The best part, its nearly 2 years and i have spent Rs 0 on maintenance.

The e2o has been very reliable over the past 2 years.

Video Blog - Always Pre-Cool your car

I made a quick video blog, demonstrating how to pre-cool the car on hot summer days. Let me know what you guys think!

Monsoon 2015

All right guys! Its going to be 2 years very soon. On August 7th.
Its been almost 2 years driving the e2o and i have completed 15,000 km and my total electricity charges are around
Rs 7500.
The best part, its nearly 2 years and i have spent Rs 0 on maintenance. Its been extremely reliable.
I'm giving the car to the service station on August 1st week. Will keep you posted.

WoooHooo! 15000 km at last :)

Community Charging Stations
I have been working on a fun project of setting up community charging stations all around Pune and even have got more people in Delhi setting up these stations. Do read my blog here. Would love to know your opinions on this! Do comment!
Have been taking EVA outiside Pune a lot. Lonavala, Lavasa are beautiful during the monsoon rains. Here are some pics.

EVA is extremely reliable in pouring rains

Charging at the Community Charging Station at Khandala

Winter 2016

My Community Charging Stations experiment is really proving to be a hit!
The community (Delhi, Pune, Bangalore) is opening up like anything and want to offer stations to the community.
I think this is a biggie. This will help me take my EVA beyond Pune and the same is applicable for others.
There are community stations coming up every week!

What do u think? Do comment below!

Eva is chugging along smoothly. It has been 2 years and 5 months. Eva has been extremely reliable, i spend Rs 0 on maintenance, this shows that the electric drive is very reliable system.
EVa has gone out of the city a lot! Mumbai, Lonavala, Lavasa, Mahabaleshwar. There are plans to electrify a route till the Arabian Sea!

Longish Video on my drive from Pune to Mumbai

EVA is also participating in Mumbai-Pune-Mahabalehswar Eco drive!

Summer 2016

Hey guys, EVA is doing great. This summer, i'm not driving much averaging around 700 km per month. Whenever i go out and even when i head outside Pune, EVA has been reliable and fun to drive. I have driven around 22500 km and still haven't spent any money on maintenance. Sweet deal, if you ask me.
Doing Pune-Mumbai has been a regular thing due to our network of community charging stations. Also the community has developed smart phone apps to find charge points so its become very easy.

I also participated in an EV exploratory drive to Ahmednagar and Shirdi. We installed 5 community charge points on the route.
Now an electric car owner can drive from Mumbai all the way to Shirdi via Pune!

People surrounding us and asking about the car @ Shirdi

EVA sucking up amps at the Ahmednagar community charge point

2016 Update
Service Issues and Disappointment with Mahindra
I have been interacting with the EV / e2o community from many cities - Mumbai, Pune, Bengaluru, Delhi and Kolkatta.
People are generally happy with the car but there are few people who have had issues with parts not reaching them in time from Mahindra Electric head office in Bengaluru.

I have also observed people facing major issues like - Car stopping all of a sudden even though SOC is > 20%. This has resulted in some users having to tow the car to the service center. One of the main reasons behind such issues is that people dont charge the car regularly. This makes certain cells in the battery pack at an unbalanced state and this results in the battery management system or the BMS behaving in a buggy manner. For more tips on regular charging and taking care of the lithium-ion battery, please do read my blog.

I haven't faced such issues now (touchwood) with EVA and there are many users who have completed 30k, 50k and 60k km on the e2o and are extremely happy with the car.
Do check out our Youtube channel for more ownership videos.

Here are some of my disappointments with Mahindra, that i personally have

Its more than 3 years since they launched the e2o and there have been no upgrade packages offered to existing customers apart from Power Steering upgrade.
Many customers are looking for safety upgrades like - ABS, Air Bags. We have no such upgrades.
Quick Charge Stations was promised when we bought the car and there has been none installed.
The Quick charge port which is used by DC quick charge stations also has not been provided as an upgrade package.
Mr Chetain Maini (ex CEO of Reva) was beginning to do great things with the Halo sports EV, Quickcharge stations, way back in 2014. But sadly Mahindra have booted him out and have shelved all his ideas.

Selling an electric car in India is a tough proposition and Mahindra Electric is not doing so well, but they have just released the UK version and should do well in UK and Europe.
That will ensure the factory will keep churning out Mahindra EV's and we (existing customers) will be taken care off, as i can clearly see they are in it for the long run.
While other car makers like Maruti and Tata are happy selling thousands of cars that cause more harm than good, here is an Indian company that is looking at the future.
Now that, i admire. We hope we see more from them in the coming years.

Thank you for listening to me rambling, but i will keep you posted on more news from the company and the community as the blazing Indian summer transforms into beautiful Pune monsoon!

I will update this page on any other event! Stay tuned!
Stay tuned for more updates!

167 Comments

Proj Ghosh

6/11/2013 02:02:47 am

How well could the E2O handle whatever flooding there was in Pune from October rains ? How many inches of flooding could it handle ?

Any further feedback on its ability to handle waterlogged roads effectively over what has already been posted on youtube feedback videos and other E2O marketing videos till date.

PlugInIndia

8/11/2013 02:15:38 am

Hey Proj Ghosh,
There was 1 day in September when there was water logging in front of my apartment. That day the car had to wade thro lot of water.
How high? Hmmm lest say until ur upper portion of your calf, if u standing on it.
No issues so far. They seem to have tested it completely in water. Its not an issue.

Farah

6/11/2013 03:21:35 am

Hey that was quite an explanation. It's been of great help. Knowing a user's point of view was what we looked forward to. we aim to book this car in a week's time and will be able to share more then. Thanks. Will get back in touch if we have any questions. Enjoy ur Yellow bombshell ;) as u call it.

PlugInIndia

8/11/2013 02:17:26 am

Hey Farah,

That is great news!
Do let us know what you think bout your car in our 'Real Life Stories' section!
http://www.pluginindia.com/reallifeevstories.html

Farah

28/1/2014 05:23:09 am

We Got the e2o.. Its indeed clever and convenient apart from being green and responsible.. We are loving it so far..
May be will link my blog here so experiences can be shared...

Kamlesh link

28/1/2014 06:03:59 am

Hey Farah,
We would love to hear your experiences with the e2o.
Do send us your blog/comments/photos at [email protected] or just email me at [email protected]

I would like to add your experiences, in the 'Real Life EV Stories' section (http://www.pluginindia.com/reallifeevstories.html)

Thanks,
Kamlesh

Raphae Halim

3/10/2020 03:48:34 pm

Wow! This post brings back such great memories! Farah and I purchased the e2o thanks to this blog post. So much has happened in the EV scene in India since then. All sorts of players have entered the market. Fellow Indians has also chosen EVs in large numbers. Charging infrastructure has started to come up. People have faced narrow minded housing societies that won't allow them to install a charging point in their parking space to charge their EVs. But looking back at Kamlesh's blog, the point which started out journey in EVs and sustainable transport is always such a joy! :-) Thank you Kamlesh and the entire PluginIndia team for doing such a great job!

Stephen Hodges

22/12/2013 06:19:41 pm

great blog.... very entertaining, and good to hear of experience in the "real" (= third) world.... I run an ex-british Nissan Leaf in Jamaica, which does not have even the connectivity you have with the Reva, but does have a similar charging challenge. I too have taken her (called "Serena") to places with no range left, and relying on regen to get home... great video. I charge with an addition to my house PV setup, in the day when I can, as storing the energy takes too much battery (we don't have intertie here), using about 7.5 units a day on average (I live at 500 m elevation above Kingston)
Wish they sold Reva's in Jamaica!

PluginIndia

23/12/2013 02:33:49 am

Hey Stephen,
Am glad you enjoyed the blog and the video!
There is so much satisfaction in going 100 odd km and consuming around 9 units of power, supplemented by the earth's power of gravity! Dont u think playing the regen game is so much fun?

I like the Nissan Leaf. Its a great car. Did u import the LEAF to Jamaica? Or does Nissan sell the Leaf in the Caribbean?

I like Solar charging, which means that you use clean electrons to transport yourself!
Well, the E2O is going to be exported in the UK, Europe and other countries next year. You can import one to Jamaica! But u have the Leaf, which serves your needs.

Thanks for being part of the global EV community!

Justin

23/12/2013 07:11:52 pm

Brilliant blog. Thanks so much. Really helpful hearing about your experiences. I am sure the e2o will be a hit here in the UK when it is launched in the new year. Very clever car. Agree with you completely about the benefits of not using/supporting oil.

PlugInIndia

24/12/2013 02:16:39 am

Hey Justin,

Thanks for the kind words. The last i heard, Mahindra is working on a European version and will get it out there sometime in 2014.

Would people in the UK, buy an EV with a range of 100 kms?
What bout DC Fast charging? I think the Mahindra e2o is going to use the Chademo fast chargers.

Watch this space on further developments!

Abhishekifmr link

27/1/2014 05:58:03 pm

Great blog.. I am looking forward to own one(when i return back to India). Infact mailed to Mahindra for a customized version with 15 KW motor(no replies yet).
Anyway 1 question: Is there any boot space for a small bag/trolley ?

Kamlesh link

28/1/2014 01:27:53 am

Hey Abhishekifmr,

You have made a great decision to go electric. The electric driving experience is very different and fun!
The Motor's power capacity is 19 kW and the Lithium Ion Battery pack in the e2o can store around 10kWh worth of energy.

Do you want a bigger battery or a powerful motor?
If you can get Mahindra Reva to fit a bigger battery, then you can go further. But it remains to be seen if the e2o can fit in a bigger battery as the additional cells will increase the weight of the e2o.

Yes, there is decent boot space to have 4-5 bags of groceries.

Kamlesh link

28/1/2014 01:28:41 am

Do keep us posted on your purchase!

Farah

29/1/2014 02:43:40 am

How do you get the sms? u keep the bluetooth on always? we are using the app on an iPhone… Guide us!

Kamlesh link

29/1/2014 03:19:47 am

Hey Farah,
So you have your app which talks to the phone right?
Have you used it? Did you ever try starting the AC remotely? Or Start charging remotely or locking and unlocking the car using your iPhone?

If yes then you have subscribed to the Future of mobility Services.
In that case, you should get SMS alerts.

Do note that you get SMS alerts only if there is a fault in the car or you forget something.

Why dont you try some following scenarios?

Scenario1
--------------
Park the car but dont lock it. Go home. After 10 mins or so, you should get an SMS.

Scenario2
--------------
Park the car, Dont pull your handbrake. Just set the car in 'N' (neutral). You should get an SMS from Reva servers saying that the handbrake is not activated.

If you dont get an SMS - then contact Mahindra REVA and check if you are subscribed to the 'Future of Mobility' service

Farah

29/1/2014 04:00:16 am

Yes! we used the remote A/C feature, the vacation mode, the lock/unlock feature…
Will make some conscious errors and revert the experiences.. hahahaha!
Thanks..

Abhay Shivgounda Patil link

14/2/2014 10:05:19 pm

Kamlesh - loved the way you have documented your experience. BTW what do you think of the new "fast charge" feature e2o has introduced just now? It requires a 3 phase connection and in 1 hour charges full. Will MSEB give a 3 phase upgrade to residential users?

PlugInIndia

15/2/2014 02:57:24 am

Hi Abhay,

DC Quick charging is not recommend at home.
At home its good enuf to use the existing 15Amp socket which we charge overnight anyway.

As DC current at high voltages is sent directly to the battery. Using DC Quick charging regularly can compromise the Lithium Ion battery life.

This kind of quick charging tech is useful on the Highways between important cities and is meant to be used to occasionally during travel medium/long distances.

Read more about DC Quick charging in my other blog
http://www.pluginindia.com/1/post/2013/11/need-of-the-hour-dc-quick-charging.html

I hope this helps.

Abhay Shivgounda Patil link

16/2/2014 04:53:29 am

Thanks Kamlesh!

Arduino in India link

3/4/2014 08:14:55 am

nice information

Arduino in India link

3/4/2014 08:38:27 am

NICE POST THANKS FOR SHARING THIS

Bindiya

7/4/2014 11:46:34 am

Great blog.. I have been trying to convince
my family to go ahead n get reva e2o.. I hope with ur blog I'll be able to..
I leave in 4th floor.. How do I charge the car?

Kamlesh

7/4/2014 02:32:38 pm

Hi,

If you get the e2o you wont regret your decision.
If you live in an apartment like me, you need to find your meter room of your society and ask an electrician to connect a line from your meter to your parking slot, where you can have a socket to plug in.

I live on the 6th floor and i got it done and its an easy task for any electrician. Only think u will have to check is how far is your parking lot from the meter room? If its far, you will need a longer wire that is mounted against the wall.

Let me know if you have more queries.

Thanks,
Kamlesh

Arduino Projects link

5/5/2014 04:12:08 am

nice post

Sachin link

22/5/2014 11:05:22 am

Hi Dude,

Question : with all 4 passenger seated..mileage remains the same??

Kamlesh

22/5/2014 11:08:56 am

Hi Sachin,

I have done 60 km trips with 4 people.
If you dont switch on AC and dont use Boost mode, and not drive aggressively, i have experienced that it might end up using 55km worth of energy instead of 60 km.

Using AC will consume around 5+ km worth of energy for that 60km ride.

So i did not feel any major issue with packed load.

Farah

23/5/2014 02:39:06 am

If it helps to know..there is no performance lag...

We load the whole months groceries and food stock for a family of 5 and go up the slope from the basement parking without even a hitch. That is in the normal "Forward" mode.

Raj

28/5/2014 02:29:37 am

First of all great post, this is the most helpful article I came across on e2o. I understand there are 2 models Base and Premium, the premium models comes with 19kw motor with top speed of 81kmph, can you please let me know if Mahindera provides a more powerful motor. Also can you please post an article on Solar Roof panel for the car, I believe there is such an option.

Kamlesh

28/5/2014 03:30:41 am

Hi Raj,

They have a T0 and a T1 model.
The T0 goes 80 kms per charge and has a low power motor for less torque.
The T1 goes 100 kms per charge and has high power motor.

There are no other options of adding a higher power motor.

This is my take on Solar Panels on the roof of the car.
Most solar panels would add too much weight to an EV to be worthwhile. Some newer, lighter, flexible PV technology could generate power for interior climate control or minor tasks, but not enough to power a car a significant distance. So you gotta have that plug.

And 95% of the time in a week, the car resides in basement lots. And there is no sunshine there. So there is no benefit

Also it is recommended to park a lithium-ion based Electric car in the shade rather than in the sun. The Indian summers can be oppressive to the Lithium Ion battery pack. So its not recommended to park in the sunlight. Bad idea.

Ok. One can argue that the car can charge during movement. But the voltage that gets generated will be very minimal.

Also this would only add to the cost of an already expensive car.

The best Solar option for the e2o would be the Sun2Car package. You charge it using a standalone Solar Panels in your apartment or work place and run on clean electrons.

We at PlugInIndia would encourage Mahindra to invest research in other areas like Liquid Cooling of the battery pack, Try to bring down the cost of the Sun2Car package etc.

Raj

28/5/2014 06:33:54 am

Thanks for such a detailed explanation. About parking car in sunlight may be a cooling fan setup could help keep the battery cool and also allow to charge the car via Solar Panel. Please let me know if you know the charging time via solar panel in the car roof, like how much battery will be charged in 5 hours.

Deepak link

5/6/2014 07:26:34 am

Hi all,
Thank you for all the info about e2o. I had the test drive of e2o at Bangalore and have decided go to for it by August. Just awaiting for any subsidy introduction by the govt. during the budget.

Kamlesh

5/6/2014 07:31:41 am

Hi Deepak,

Congratulations on getting this car. You wont regret it.

Lets hope you get some subsidy from Govt.

Good luck and keep us posted!

ARUNPRASAD RAJKUMAR

8/6/2014 12:44:25 pm

The best and detailed review I had ever seen. Thanks for this.

Kamlesh

11/6/2014 06:41:11 am

We are glad u found it useful

Sudarshan Gophane

12/6/2014 05:41:41 am

Hi Kamlesh,

Six months back, I had a test drive of this car and fall in love with this EV. I referred each and every review, video about this car on the net. But the site and blog provided by you is one of the best in its kind.

I am from Pune; but unfortunately got posted on company duty to Ahmednagar (110 KM from Pune) a few months back. Let's see whether Mahindra will make an arrangement for me to available the car at Ahmednagar.

I will be happy if you can you pls share you experiece about the servicing of the car at doorstep.

Thanks.

Kamlesh

12/6/2014 09:46:29 am

Hi Sudharshan,

Such comments makes our day :)
Thanks for the kind words.

Software updates are performed and you would need to go to the Service Center in Wakad (in my case)

Home servicing will happen after 1 year (i think in few months) - moreover i can just go to Wakad.

The problem with buying in Pune and taking it in Ahmednagar would be you will need to visit Pune for any software updates, servicing etc

Do keep us posted if you can make it happen!

Subramanyam Ayyappan

12/7/2014 06:18:03 am

The new MAHINDRA e2o website is much better than before and more informative. They are coming out with new e2o t2/t20 variants which will have power steering and 120kms of range. I'm booking it and have it shipped from bengaluru to Hyderabad. To avail home service, we can have OBSA with MAHINDRA and they will send technician from bengaluru to HYDERABAD.

Abhay Patil link

14/7/2014 01:58:17 am

While I am told by the dealer in Pune that the next version with POWER STEERING will be announced in July last week - he didn't mention about the higher range of 120 Km per charge. They will have to add more batteries and also increase the EMI for batteries for that. Where did you get that information from? Please let us know.

Kamlesh

15/7/2014 09:25:22 am

The battery can be upgraded from 100 km to 120 km on a full charge and this is done via a software update.

Ideally this news that existing owners can get 20 km range extra is such a special bonus. But here is something we will need to consider. Will there be any issues with battery life?
Like that 20 kms is a buffer provided to protect the battery, so that people dont charge the pack 100%. Charging a Lithium-Ion pack generates heat especially if the SOC is close to 100%. This buffer provided by Mahindra Reva is meant to protect the battery pack. So even if customers opt for the range extender, it is better to charge upto 120 kms occasionally when going outside the city.

Subramanyam Ayyappan

17/7/2014 04:52:43 am

I was researching on buying e2o and while I was used to seeing regular mahindra reva site - one day I found they launched e2o in bermuda and thought of checking their site to see what they offer in bermuda. Surprisingly their new site is revamped and more appealing than before. While checking all details in specifications and range sections - found they mentioned it clearly 120kms range.

Checked with Mr.Chetan Maini directly in twitter and he replied back promptly that new e2o t2 and t20 coming out july end comes with both power steering and 120kms range. This 120km range is excluding the revive 10kms range.

Skanda Tejaswi

25/7/2014 09:12:45 am

Wonderful blog, Kamlesh. Thank you very much for the share!

Having been an owner of the REVAi for over five years now, I was pleasantly surprised (make that delighted) to see such drastic improvements in the E2O in just about every respect, comparing it with the REVAi. Coupled with the satisfaction we derive from the workhorse performance of my old Reva, we decided to go for the E2O immediately; we're taking delivery on Sunday.

By the way, I did speak to someone that I consider reliable about the power steering kit and the 120km range via software update, and was told that the cost of this combination may be approximately Rs. 20k. I'm not sure what kind of muscle is required to wrestle the wheel at parking speeds, but I'll find that out soon. :)

Kamlesh

25/7/2014 02:42:19 pm

Hi Skanda,

Am glad this was useful to you.
The people i respect the most are the people who trusted the Reva electric car and am so glad that it served so well for 5 years!

Congratulations on the e2o. You wont regret it :)

At parking speeds, you do need some effort. I think power steering will help there. Apart form that while driving the car, i never felt the need for power steering. Also while climbing hills and navigating hair pin bends, i did maybe feel the need for it.

But for average driving, i think its not needed.

The 120 km range is something i will sign up for :)
This just gives me that extra 15 kms that will make me feel better when i take the car for a spin i, deep in the western ghat Mountains near Pune without worrying bout the charge :)

Skanda Tejaswi

27/7/2014 03:49:56 pm

Took delivery of the e2o this morning and closed the day with 63 more km on the odometer. I was absolutely bowled over by the ride/suspension and general feel of driving this car for the first few kilometres from the showroom. Without a doubt, this car is a beauty!!

Also want to update you that the reliable source I referred to in the previous post did confirm that the cost of the power steering + 20 km extra range would be around 14.5k (not 20k as I previously stated).

Kamlesh

28/7/2014 02:08:22 am

Awesome!!

Am glad you enjoyed your first drive. Seriously. Once u drive the e2o, u wont feel like driving other ICE cars!

Thanks for that info on the upgrade.

Have fun!

Devaiah

2/8/2014 07:59:56 am

Hi,

You have documented your EV experience in a very nice way. It will answer all the questions the ignorants ask on the road. Ignorance is keeping people away from EV.
I used the Reva-i for almost 6 years driving 75k kms. Impressed by it, now I have replaced it with e2o.

It has been 10+ years for Reva on the road, but people still stare at me.

Have a good day,
Devaiah

Kamlesh

2/8/2014 09:58:39 am

Hi,

As i said to Skanda in the previous post. The people i respect the most are the people who trusted the Reva electric car and am so glad that it served you so well for 6 years!

Congratulations on the e2o.

Why dont you join the PluginIndia community and maybe we organize some event in your city?

Subramanyam Ayyappan

9/8/2014 01:15:12 am

Got my new e2o with power steering and 120kms range. Came to know the SMS feature which car had to send SMS on not locking or not snagging hand brake has been discontinued.

Everything else is awesome!

raghu

27/8/2014 12:36:03 am

your blog...shows your passion for EVs....great job.
wanted to know if the EV can be charged with a small deisel generator (like kawasaki etc..) used for homes or an inverter in case of long duration power failures.

Kamlesh Mallick

27/8/2014 03:12:13 am

LOL. Wonder why would i carry a Diesel generator to charge you EVs?

We have 15Amp PlugPoints all over.
Any home and Business has a 15Amp plug point.

You always plan your trips such that u never get stranded.

But theoretically if the generator can generate 15 Amp current, we can charge the batterypack!

And also the entire point of this is to avoid OIL.
So i would never do it.

Sachin

16/9/2014 05:45:15 am

This is what is megapixel doing. Battery pack and generator which is called REEV

Abhay Shivgounda Patil link

7/9/2014 06:19:10 am

I did an interesting road test. Our basemant parking lot has a steep slope. I took E2O upwards with 4 normal people inside. It went up - albeit very slowly at full throttle (!). In second attempt I stopped it midway and THEN it just couldn't move! We reversed down and then climbed up again. We could also have taken two people out to take it up. So - if you plan to visit a farmhouse steep driveway, or simply have to go up in the hill BEWARE. With 2 people on boad, you would be generally OK. But with 4 you could be in trouble especially when it is a long continuous slope!

Kamlesh

7/9/2014 01:29:58 pm

LOL.
Interesting test. We did the Lavasa Ghats with no problem.

Maybe if u stop on a ghat, u r screwed? You will need to reverse and drive up.

Farah Halim

7/9/2014 01:52:45 pm

Hey Abhay, thats an interesting experiment.

May be if you want to give it another try, then be gentle on the accelerator and let it take the load.. With E2O, unlike other cars, allowing it to pick speed is the key to ECO driving, instead of forcing it.

We take the car to the grocery store for monthly shopping and usually have the car loaded with stuff for the month. I have never had any problems taking it out from the underground parking lot nor did I use the Boost mode. (approx weight - 4 people weighing 70 kgs each).

Let us know if u happen to experiment again...:)

Farah Halim

7/9/2014 01:56:58 pm

Abhay Patil link

30/10/2014 04:05:22 pm

I have driven more than 800 KM in one month and E2O is doing quite okay. But I accidentally bumped in to a problem similar to one I reported today. I drove into a narrow parking slot which was sloping down. While taking the car out I had to take it back, in reverse gear. And OMG, even that gentle slope followed by a benign bump to enter the street was pretty hard! I was afraid I had to ask the watchman to give my car a push, but somehow it just managed to get on the road!

Abhay Shivgounda Patil link

7/9/2014 06:20:03 am

I did an interesting road test. Our basemant parking lot has a steep slope. I took E2O upwards with 4 normal people inside. It went up - albeit very slowly at full throttle (!). In second attempt I stopped it midway and THEN it just couldn't move! We reversed down and then climbed up again. We could also have taken two people out to take it up. So - if you plan to visit a farmhouse steep driveway, or simply have to go up in the hill BEWARE. With 2 people on board, you would be generally OK. But with 4 you could be in trouble especially when it is a long continuous slope!

Farah Halim

7/9/2014 01:52:16 pm

Venkat

7/10/2014 02:46:59 pm

@Kamlesh- I was a regular follower of your Team BHP EVA review. Now that the idiots over there have banned you, can you please join www.Gearheads.in/ www.Automotiveindia.com/forum ?. It will help to spread awareness about EVs greatly.

Kamlesh

8/10/2014 03:19:21 am

Hey Venkat,

Sure i will try when i get the time, which is a problem these days :)

Abhishek Gupta

24/10/2014 08:00:43 pm

Hi All,
Can anybody tell me On road cost for E20 Premium in Pune & Delhi? Also is there any mileage restrictions in plans?
Regards

Abhay Patil link

25/10/2014 01:59:21 am

Pune: Rs. 6.2 Lakh on the road including everything + Rs. 2,999/- per month for 5 years for the battery.

Abhishek Gupta

30/10/2014 12:59:30 pm

Thanks Abhay

Abhishek Gupta

2/11/2014 04:48:32 pm

Good news for all Delhi Resident. I have contacted the Mahindra Reva people and they told me that a Delhi customer will get Refund of VAT 12.5%, Subsidy 15% and 2 % RTO charges on purchase of E20. If i apply these than tentative cost of E20 Premium on road in Delhi should be 5,10,000-5,15,000.

Kamlesh

3/11/2014 01:59:40 am

Hi Abhishek,

Yes that is great news.
I did write bout that in the EV India Digest blog
http://www.pluginindia.com/blogs/india-ev-news-digest

Hats off to the Delhi government.

Ambuj

18/11/2014 10:03:53 am

Hi Kamlesh

Thank you for such a detailed account on the car.
All the information you have shared is welcome.

I have a query about the space. I am myself 6 feet and every one else in my family is also tall. So,
1. Do think E2O has enough leg room for a driver who is tall?
2. Does it leave enough space at the rear seat for a person with approx same height as the drive to sit comfortably?
3. Does it have space for once in a while grocery shopping at the back?

Thank you!

Kamlesh

18/11/2014 03:25:13 pm

Hi,

The e2o is more spacious than it looks. I have seated 4 tall people comfortably at the back and at the front. So 6 foot is not a problem.

The rear seats are very comfortable with ample leg space.

Usually i place my grocery shopping bags in the rear seats and occasionally in the back. There is enough space for grocery.

The best thing you could do is to take a test drive and see for yourself.

Vishnu link

11/12/2014 11:28:34 pm

Your blog post is very informative for the beginers like me. I stay in Pune and I so want this car. I have few quick questions though if you can answer:-

1. what is extra 3K per month cost apart from car's price? Is it mandatory?
2. I read about problems with slopes. What do you think about it? Is it a big problem? we are 4 people.
3. the mobile app is based on the internet or some bluetooth? Because if it is based on the internet, we wont be getting alerts and all. And what about car's connectivity to the server? is it connected all the time? If yes from where it is getting the internet?
4. Is there any waiting for this car? If so how much time it usually takes? Can we enroll in the waitlist online (I am currently in UK and will be back in 2-3 weeks).

Thank you in advance.

Abhay Patil link

12/12/2014 12:20:39 am

Dear Vishnu - here are the answers.
1. what is extra 3K per month cost apart from car's price?
It is EMI for the battery. You don't pay upfront for the batery - but pay it over 5 years. Don't know if you have the option of buying the battery upfront - but I don't advise that.
2. I read about problems with slopes. What do you think about it? Is it a big problem? we are 4 people.
I too had this concern. But it is NOT a problem - unless you are climbing very steep sustained slopes. However - I have encountered problem while taking REVERSE up the slope.
3. the mobile app is based on the internet or some bluetooth?
Because if it is based on the internet, we wont be getting alerts and all. And what about car's connectivity to the server? is it connected all the time? If yes from where it is getting the internet?
It is INTERNET based.. They have a VODAFONE sim in the car, It is quite reliable and ALWAYS online unless of course you go to some really remote hilltop,
4. Is there any waiting for this car? If so how much time it usually takes? Can we enroll in the waitlist online (I am currently in UK and will be back in 2-3 weeks).
Call the Mahindra dealer. My wait in Pune was about 2 months.

Vishnu link

12/12/2014 09:30:36 am

Thank you Abhay for your quick and useful answers.

If i understand clearly, the current price of T2 is INR 5,91,724 in Pune and we have to pay 3K more per month for this? that is around 180000 INR more in 5 years. I am already planning to take this on EMI and again extra 3K.. that will be a burden.

Kamlesh Mallick

13/12/2014 02:59:10 am

Yep. It is kinda steep, the price.

It will work out to this over 5 years
Rs 6 Lakhs + 180000 (EMI) + 20000(Electricity) + Assume 12k Maintainance = Rs 8 Lakh

Assume you spend 6 Lakhs on an Automatic Petrol car - Over 5 years
Rs 6 Lakhs + 3,50,000 (on fuel) + 60000 (Maintainance)

So you see you still save.
That is just the economics. You do good for the country by not consuming oil and polluting the cities. Less maintainance headaches. A Petrol car gets worse with age.

This is more than a car.

But sadly people look at the initial sticker price and dismiss it. You always need to look at the long term ownership benefits when it comes to EV's

If you travel 90% in cities, then just go for it!

Kamlesh Mallick

12/12/2014 01:51:05 am

Hi Vishnu,

Yes Abhay has answered most of your questions.

But anyway think of the 3k per month as your 'fuel' charges. My friend has a i10 automatic and he spends 70-80k per month on Petrol and he travels only in the city. Now 3k is a big win when you think about it.

Slopes - We went to Lavasa and the e2o climbed the chats easily with no issues. Didnt u watch the video?

Good luck and go for it, you wont be disappointed!

Vishnu link

12/12/2014 09:33:15 am

Hi Kamlesh,

Yes I have gone through every bit of this blog and it was very good. I just wanted to understand that you just took risk and it was one time success for hill climbing or it is very normal?

Kamlesh Mallick

13/12/2014 02:53:05 am

Hi Vishnu,

I have gone to Lavasa many times. With no hassles. I have even spoken to some senior people @ Lavasa to organize charging points for us.

Vishnu

18/1/2015 05:05:21 am

Thank you Kamlesh.

Recently I took test drive with 4 people sitting inside and I felt little low on acceleration. I had to use boost mode quite frequently. We started our test drive from 84 kms remaining and drove for around 6-7 kms but at the end we saw 62 Kms remaining. And yes i did use AC on medium for testing. It was not a very motivating test drive. I wanted to buy this car for my daily office commute. I live near Magarpatta City and having office in Hinzewadi phase 1. the total return kms are around 74 kms and my office timings are 12 to 10 pm.. so while going office i definitely gonna AC and radio all time on. So i think i will roughly make it back home given i stick to the shortest path.

Vishnu

18/1/2015 05:06:54 am

Kindly share your views on this. And what about quick charge features they advertise on the website. When will this come to pune?

Vishnu

18/1/2015 08:26:05 am

Also where are we on Central Government Subsidies that you mentioned in Oct-2014 post? Do you have any more update on that?

Kamlesh

19/1/2015 01:42:09 am

Hi Vishnu,

Yes, i agree there is a reduction in range when you use AC, use Boost mode and travel with 4 people all the time.

I travel 90% of the time alone. I hardly use AC in Pune's beautiful weather apart from March, April and May.
In their months especially now in Winter, i just use the power windows whenever there is lots of pollution and dust and switch on the blower - not the AC. Then when the road is clear, i open the windows again. Never feel the need for AC.
Ofcourse I use the AC when there is lots of traffic and pollution and if the drive is along such routes.

And i never use Boost. Only occasionally when i want to accelerate and overtake some vehicles. But i stick to 'F' most times.

I never step on the gas with full force like how people are used to with Petrol vehicles. Its bout accelerating gently and gradually.

But this does not mean i go slow, i average around 50 kmph, on flat straight roads like University roads, i touch 70+ (yes with no Boost)

With my driving habits - I get consistently predicted range.
Expect a 10% reduction in range with AC and you driving alone.

Ask yourself these questions.
Do you take 4 people every day for your commute?
Are you brining your OIL car driving habits while using e2o - like forcefully stepping on the pedal?

So you travel from Magarpatta to Hinjewadi - A distance of 30 km one way.

With my driving habits - even with AC on - i'm confident that i can get back home having 30-40 km range left by the end of the day.

I'm totally sure that , if you drive alone or maybe another person with AC on and limited use of Boost, you can get back home with around 20 km range left.
So there is no need to worry bout getting stuck anywhere.

But there are solutions to this, if you feel nervous.
Ask you office people to have a 15 amp socket near the parking. That will solve all your headaches :)

I hope this helped. Good luck and just go for it.
I cant even image the costs of driving 60 kms daily in an Automatic petrol car with all that traffic - you would get 7-8 kmpl. hehe :)

Kamlesh

19/1/2015 01:45:31 am

Regarding QuickCharge stations and Subsidies.
I'm interviewing a top executive in Mahindra Reva. You will hear directly from him and i will post it here in PluginIndia.com

Stay tuned !

Sanjeev

20/1/2015 07:58:22 am

Hi
Super information... Nobody gave this level of information so far about any car.
I use small and last 2012 model reva. I use this car for my daily office/homr commute which is around 50+ Km. As per my knowledge I can use the car for 70KM without AC. It is the best best best car I can say though I have some problems
1. AC - Cant use AC when I drive to office (distance problem)
2. Brake - It is so weak

My question is:
How many kilometers does this new REVA gives on full charge when AC is on (day time AC)

Kamlesh

20/1/2015 08:47:03 am

Hi Sanjeev,

I'm delighted to hear that you use an electric car for past 3 years.
The classic Reva is a delightful little vehicle.

Can you share your ownership story @ PluginIndia?
www.pluginindia.com/reallifeevstories.html

Regarding your query -
With AC on and 2 passengers you can expect a 10-15% reduction in range. The new e2o car goes 120 km per charge. So you can easily drive all day in AC for upto 80+ km with no hassles.

Hope this helps.

Thanks,
Kamlesh

Sanjeev

22/4/2015 05:20:48 pm

Thanks Kamlesh for replying me.
Sometimes I think of buying this, since I like my little one much not able to dispose it.
I have another question.
What if I am a kind of week end driver. If I am not using this car for certain KM everyday I feel battery will get weaken for not using.
Please suggest

Coming to my little car story. I feel it is super car within city though few issues
1. Horrible driving in summer without AC ( I dont think it gives 50KM with AC on
2. Shock observers are not so fit
3. Pick up is very slow

Overall I am happy with my little one.

Kamlesh

23/4/2015 03:29:14 am

Hey Sanjeev,

Once u have the e2o , you can forget bout Summer driving, Pick up, Shock absorbers!

The e2o is superior in all aspects. You will see.

I work from home too nowdays, i dont drive everyday like how i used to.
All you need to do is to top the charge every 3 days to balance the battery pack. Read my blog on Talking care of Li-Ion batteries for more details.

Vivek

22/4/2015 06:09:32 am

Hi Kamlesh,
Wonderful blog that is very encouraging to potential buyers like me. I had a question about the safety features.. Normally if I were buying ICE i would go for a car with ABS especially considering the rains and the concretization of roads happening in Pune, which lowers coeff friction and can cause skidding. You mention the brakes have an unpredictable bite. Do you feel this is safe and one can get used to. What was your experience driving on wet roads in Pune, esp the new concrete ones, no skidding etc.?
Kind regards,
Vivek

Kamlesh

22/4/2015 07:01:46 am

Hi Vivek,

The car is fairly stable with decent Suspension.

I have driven it over 2 monsoon periods over concrete roads. I live in Baner and the entire stretch is Concrete. Never faced any sort of problems with regard to stability.

Well braking. This is something someone from an ICE world needs to understand. Electric cars use Regenerative Braking. The moment i step off the pedal, the car automatically starts braking. I only apply the brakes in the last moment when i want to stop, of in an emergency. Most of the time, i just take my foot of the pedal, it slows down and it also generates energy.

A world class feature not found elsewhere. It takes time getting used to.

The brakes, are harder and you get used to it in matter of days.

Just go for it and u wont regret. It will become your workhorse.

Hope this helps.
Kamlesh

naveen

19/6/2015 06:19:26 am

Loved the way you wrote the review. Best review I have read so far about car or bike. I own a nano which I bought in Nov-2010 for just 1.75+ lack Rupees. It is a great value for money car, I have used the car for almost all purposes. For going to office, touring, honeymoon(to ooty, mysore, bandipur, chikkamagaloor, coorg ! from mangalore) , to carry myself(bridegroom) to my own marriage, to carry 6-7 people when needed for short trip, etc. I have covered 60,000+ kms in four years due to its good mileage of 22+. Nano has never let me down in city traffic, hilly terrain, highway etc. I highly admire your passion for an electric car, that too, deservedly so(for e20), but not in the slightest stretch of imagination try to compare e20 to nano in terms of complete ownership experience. Technology may be great in e20, but it is still unthinkable to own one e20 for that price tag, with a limited range of 100+ kms. But, still loved your passion and hope I will become rich enough to own an electric car as my second car. Good going! Keep going, In a long run I may join your bandwagon.

I totally agree with you regarding environmental, oil bill angles. Govt.s need to do a lot to encourage people like me who are fence-sitters to take that bold step of buying electric cars.

Kamlesh

19/6/2015 07:01:18 am

Thanks for your reply.

I thought i made it clear in the blog - not to compare e2o with the
Nano :)

The whole point i made about the Nano is that the world over people tend to compare Electric car's with the cheapest gas cars in terms of COST.

The point i made is that it is wrong to compare the cheapest Petrol car with an EV as modern EV's have features that are not even available in a Sedan! Those r highlighted and i dont have to repeat that.

60,000 km in 4 years is awesome. I congratulate you on ur journeys.
If you have that kind of an appetite for driving and would like to travel a lot then as of TODAY (2015), an EV is definitely not for you.

I could have gotten a luxurious hatchback or a sedan instead of this one or i could have bought a cheaper petrol hatchback and saved some money.
But then this is all bout taking the plunge and support this movement for a better tomorrow, i guess...
Owning an EV is very liberating feeling, which u will understand when u get one.

If it means i have to sacrifice the adventure of long distance travel in my own car, then so be it.
Having said that, i can still drive long distance by renting a car if i want to.

So you dont need to be "Rich" to own a second car.

You can make it work with just this with certain adjustments.
After all its a paradigm shift right?

naveen

20/6/2015 04:55:32 am

Okay. I got you.

I have not left the pursuit of owning e20. I called mahindra if it is possible to provide the car in Mangalore which is 350+ kms away from Bangalore. They said possible, but trasportation costs 20,000/- Rs extra and for the annual maintenance I have to pay the engineers bus fair up and down. These are all not encouraging.

And one more fact I think is worth pondering. They said that, they assure that the range will never go down below 84 kms in the long run of 5 years. That means, in the long run range CAN go down as below as 80+ kms. One can't keep relying on the assured range of 120+ kms for the 5 years time.

There is power steering in the latest model, better to update your blog on this issue.

Thanks

naveen

20/6/2015 04:57:48 am

60000+kms only in car. Add 24000+ kms on Royal Enfield Desert Storm. In that way I am a big sinner, right?

Kamlesh

20/6/2015 06:04:13 am

That is correct. Battery Degradation happens. That is the property of the Lithium Chemistry. After 5 years we can expect to get less range. But the car can still be used for that amount of range. Motors are very reliable. As there are less moving parts, as long as the suspension is checked every year, ur EV will give u good service for 7+ years for cheap running costs.

Yeah, Sadly the Reva is sold only in 6-7 cities. They are not investing in tier 2 cities. So i guess you will have to pay them for servicing.

Yeah, am getting Power Steering upgrade next month. Will update the blog then.

Good luck on your decision.

Pradeep

9/12/2016 10:10:29 pm

Hi Kamlesh,

Have you upgraded your E2o with Power steering, if so what is the cost?

Regards,
Pradeep Kareti

Kamlesh Mallick

10/12/2016 11:08:08 am

Hi Yes.
Power Steering was given to me as a free upgrade due to this blog selling so many e2os.
Thanks to Mahindra.

It makes a heck of a lot of difference.
I cannot go back to the old manual steering now!

smitha

28/7/2015 07:46:18 am

Hi,your blog is so informative,i was searching for reviews of 2 wheeler and 4 wheelers EV's,you answered most of my questions,i was confused about its capacity to drive uphill as bangalore has mostly hilly areas,i got my answer,
but one question,i have aged parents, climbing into the back of e20 will be difficuilt for them,right?i wish they had released 4 door.

Kamlesh

28/7/2015 08:23:45 am

Hi,

Thanks. Yes. It would take some effort for old aged people to get back.
Just ask yourself this question. How often would you take them out?
Take them on a test drive for more information.

Thanks,
Kamlesh

smitha

30/7/2015 04:26:57 pm

Hi,thanks for replying,in fact i had decided against buying this car as 1)the charging stations in my city are either closed or the people working there dont let you in (seems ridiculous but read this review on Fb)
2)the price of the car
3)2 door not 4 door
4)tata pixel sounded good and looks good .i thought id wait for it
but after you review i am rethinking buying the e20,what do you think about e20 T2?? the 1 hour recharging car??i heard it has power steering too

Kamlesh

31/7/2015 03:12:15 am

1) You charge at home and work 99% of the time. Charging stations in the city are useless. Trust me. Just plan ahead.

2) Yeah 5.2 Lakh + 1.8 Lakh in EMI is expensive
But think bout this - When u buy an electric car as a whole, including the battery - its like u r paying for 5-7 years worth of energy too. The cost for 5-7 years of electricity is negligible and is 0 if u use Solar power.
This is the key difference as compared to buying a Petrol car, where u just pay for the car and u need to pay for the energy (fuel) for 5-7 years.
So the EMI scheme is good thing, if you want to pay for 'energy' as u use the car just like a normal petrol car. Even then the costs are low.

3) Yeah 90% of the time if u r driving alone or 2 people. Dont see a problem. But your case might be different.

4) Tata Pixel is a delusion. Classic case of auto companies making amazing concepts but never getting it to production.

Yeah 1 hour recharging is amazing. But u can only do that in DC quickcharge stations. You cant do that at ur home. Also its not a good practice to pump so much amps into your battery pack regularly. No good for the health of the pack. But for that occasional trip on weekends. its a great thing.
Reva has not announced any plans of installing these stations.
I just dont know get it - why they are taking so much time.
Just by installing these stations, they can sell more of these cars.

satish duddu

19/8/2015 12:32:59 pm

We bought an E2O in exchange to our old Reva in December 2014, we have been a part of the reva family since the past 9 years. While buying we did enquire if a subsidy option would come up in future and we were told it wouldn't make sense to wait for it, and even if a subsidy is offered it would be open to all. After the subsidy was announced, we have been trying to find out how to avail it, but haven't been able to. It would be very helpful if someone helps us out with the same.

Kamlesh

20/8/2015 03:13:51 am

Hi,
Congratulations on upgrading to the e2o.

I'm told that people like you and me, who missed out on the subsidy cannot get that amount.

Its only for new customers.

Very happy to meet an EV driver for 9 years!
Would be useful for other people, if you could share ur EV story in my site - Check out the 'Real Life EV stories' section.

smitha

27/8/2015 07:05:27 am

i had booked a test drive,let me tell you i loved the car!! its so comfortable ! i was surprised to see it go up a slope in only forward mode with 4 of us sitting,its not that difficuilt to climb in the back as i had feared!
but ,yes ,BUT
1)its still expensive 2)government should provide more incentives 3)wish the range was higher instead of just 100kms ,i saw tesla has over 250kms range.

Kamlesh

27/8/2015 08:48:57 am

Glad u enjoyed the test drive.
Yes the car has beautiful instant torque that makes acceleration a breeze.

Regarding the cost, what is your budget?

Think of this car as a Rs 5 lakh car.

When u buy an electric car as a whole, including the battery - its like u r paying for 5-7 years worth of energy too. The cost for 5-7 years of electricity is negligible and is 0 if u use Solar power.
This is the key difference as compared to buying a Petrol car, where u just pay for the car and u need to pay for the energy (fuel) for 5-7 years.
So the hello goodbye scheme is good thing, if you want to pay for 'energy' as u use the car just like a normal petrol car. Even then the costs are low.

Spend 5 Lakhs get the car. Give Rs 3000 every month as EMI. Your electricity costs will be around 500 for 1000 km driven.

Or you could buy a gas guzzler. Say an i10 For Rs 5 Lakhs. Spend 6000 Rs on petrol every month + The maintenance costs every 6 months.

Buying the e2o is a no brainer, if u do your travels 90% of the time in city.

Range - you get 120 km :) Dont worry bout that, will meet most your needs. And with quick charge stations coming soon, those stations will increase the range.

smitha

31/8/2015 07:27:04 am

hi thanks :) the reason we are thinking so much in buying this car is because i dont travel much ,maximum petrol usage is 300 - 400rs per month for us,i have a 2 wheeler,if i commuted daily for work i wouldv bought this car without thinking so much,i work from home

Kamlesh

31/8/2015 07:31:30 am

I work from home too :)
I still did 15000 km in 2 years. Around 7500 km per year.

So if i would have gone for a petrol car - i would have consumed 1100 liters of petrol (assuming 12 kmpl on an automatic petrol car)
I would have spent Rs 71,500 on petrol!

I have saved that OIL for the country and not polluted my city.

So there is money savings, plus u do ur bit.

Even if you do 5000-6000 km per year, u r saving and doing good for the country and city.

Anup Shrestha

30/9/2015 02:20:56 am

Hi, I wanted to know if the hill hold technology is reliable enough. I mean what if u get struck in traffic while climbing uphill?

Kamlesh Mallick

30/9/2015 11:53:32 am

Hi Anup,

It is very reliable. I drive on the hills of Pune lots of times and i have had no issues. You dont get that movement back like other cars when u r stationary on a hill.

Thanks,
Kamlesh

sanjeev

30/9/2015 02:42:41 pm

Hi Kamlesh,
Hope you are doing good with your e2o.
I have a question about my Reva EMS. I thought you are the right person to check.

Last week my reva (3 years old) did not switch on. In a hurry without thinking much I asked mahindra guys to take my car for service. When they came in to look it, they found nothing wrong but power from board was not passing into the car.
They took the car for service and told me that EMS has to be replaced and I paid Rs.15000 for this.
Later I found that circuit breaker in my electric board was not working that is the reason for power being not passed into my car.

Now I have a doubt if EMS really had a problem and there is no way for me to see if EMS had an issue. There is no use when I spoke to Service Advisor there. Service Advisor return my old EMS board but he did not return microprocessor attached to EMS.

Do you know any way to check the condition of electric equipment of these cars

Thanks
Sanjeev

19/10/2015 01:04:17 am

Thanks for the informative blog. I'm curious about the battery pack - not much information seems available. Any idea about the cell technology, the supplier and the cost of the battery pack, and the source for the information ? Thanks !

Kamlesh Mallick

19/10/2015 09:37:56 am

When i went to the Reva factory last year, they told me they import the Lithium Cells and assemble it here.
Apart from that i dont have much information, sorry.

19/10/2015 10:00:32 am

Thanks Kamlesh. Their website mentions Lithium Iron Phosphate. In your blog you mentioned cost of Rs.3.3L ($550 per kWh) for the e2o battery pack but Rs.1L for replacement cost. Were you projecting a drop in cost in 4-5 years? Current Li-ion pack costs are now closer to $350/kWh.

I found a picture of the pack/cells on this site but there's no reference to the source:
https://mythoughtsandmywords.wordpress.com/2013/06/13/the-electric-car/

Kamlesh Mallick

19/10/2015 10:08:00 am

Hi,

Yes, Lithium-Cell cost have fallen dramatically from 2009 to 2013 (when i wrote the blog). Now we still see a fall in price.
That is correct, i have mentioned the approximate cost for me after say 5 years.

Having said that. I dont expect to change my battery pack for 7+ years as Lithium ion battery packs last a long time unlike lead acid batteries.

There have been Nissan Leaf's with a 100000 miles and a Reva electric car with over 6+ years use with a single pack.

Battery degradation is a chemical process that happens. Nothing can be done about it.

But if you treat your battery packs well , you can use a single battery pack for a long long time.

I do know a user who has used the e2o for around 50,000 km and no battery degradation yet.
I will try to showcase his usage in a video soon, when i visit Delhi in December. Stay tuned!

19/10/2015 12:30:37 pm

Hi, That's correct. Typical life of Li-ion cells is about 2000-3000 charge cycles compared to 500-800 cycles of lead-acid due to nature of their chemistries and degradation. Even with a cycle a day your pack should last over 5-8 yrs or over 200,000 km. (With that, I don't think their Rs.3000/mo e2o-care battery lease program for 5yr/50k km makes sense.)

Happy Reva-ing till then !

Kamlesh

19/10/2015 01:54:04 pm

Actually the battery lease program is a wrong term to use for that 5 year installment scheme.

I think Chetan Maini named it as Energy charges.

As i said before in one of the comment, when u buy an electric car, its like u r paying for 5-7 years worth of energy too. The cost for 5-7 years of electricity is negligible and is 0 if u use Solar power.

This is the key difference as compared to buying a Petrol car, where u just pay for the car and u need to pay for the energy (fuel) for 5-7 years.

So the hello goodbye scheme is good thing, if you want to pay for 'energy' as u use the car just like a normal petrol car. Even then the costs are low.

Spend 5 Lakhs get e2o. Give Rs 3000 every month as EMI. Your electricity costs will be around 500 for 1000 km driven.

Which is a better deal than buying a Rs 5 lakh petrol car and spending crazy money on fuel and maintenance.

Anup

6/12/2015 09:54:29 pm

Hi Kamlesh,
I'm Anup from Nepal. I assume you are acquainted with the petroleum blockade in our country. Henceforth, I have bought this ev. But there are certain queries, that I wanted to clear about this car. Is it safe riding during rainy season, as in Nepal when it rains, it gets flooded really bad and it can sometimes reaches to the length of the entire wheel of the car. So ain't that gonna short circuit the cables located below?
I also want to know, what if I press the throttle gradually in a range such that the efficiency indicator is just 2 bars above high efficiency driving. Will it affect the longevity of the battery or is it just a rapid discharge for one time only?

Kamlesh

7/12/2015 09:44:31 am

Hi Anup,

Congratulations on your choice.
There are similar water levels in Indian cities like Mumbai. And many customers have driven in such conditions, with no issues.

The battery pack is protected from the base. So there wont be issues.

No 1 or 2 bars over the 'high efficiency' indicator is normal, especially while climbing inclines.
But on straight roads its okay to hit those bars to gain acceleration in 'F' mode but its wise to get back to the highest efficiency bar whenever you can.

Regarding longevity of the battery, just follow the usual tips in on how to keep lithium ion battery pack (See blog from my page AboutUs->Kamlesh)

Farah Halim

7/12/2015 09:53:54 am

Hey Anup,
Congratulations! you will not regret buying this car...

Talking about rains and flooding...This season, I happened to go to a low lying area with water clogging in Mumbai. The water levels were high and it touched the door as I waded through the water. The other vehicles including the SUV's hesitated to go through, but our EV just made it effortlessly.

No problems with battery, or short circuiting or any other issue that we may associate with electricals and water. Not having an exhaust pipe made all the difference.. no passage for water to seep in.

Hope that strengthens your faith in ur choice. Good luck! Enjoy the ghats in Nepal...

Anup

7/12/2015 07:15:40 pm

Thank you so much Kamlesh and Farah. You guys are doing a great work. 🙌

Badri

15/1/2016 10:19:59 pm

Hi Kamlesh,

Wonderful review!! It certainly inspires people to vote for a change and buy this EV. I bought it 45 days ago and I'm delighted!! It's certainly peppy and feels like driving a 2 wheeler in small roads with the smallest turning radius any car has to offer.

On the flip side, I was a little disappointed by the suspension (it's on the harder side). The music system is not great either. Everything else is great.

Question - Can I replace the speakers? If so, could you please suggest the make and model that is compatible with this car especially since it runs on battery. I tried contacting Mahindra showroom and did not get a satisfactory answer. I'm afraid that it would void battery leasing warranty.

Kamlesh Mallick

8/3/2016 08:43:39 pm

Sorry for the late reply.
Sadly the warranty goes void, if u replace the speakers. Please confirm with ur MREV guy.

The Music system and the AC (noise) are few things, i dont like.

Ethan

31/5/2016 09:30:59 am

Pls confirm if the motor controller is made by Curtis. Gr8 if u can find the model also.

smitha

2/6/2016 01:11:12 pm

3/6/2016 08:27:34 pm

Happy to see your service to the environment. I watched all your videos and some Tesla videos. Have decided to buy electric car as my next car but that would be in 2022. I wanted an electric car with manual transmission. Manual transmission increases performance with smaller motor and batteries. Good luck to you.

Farah

12/7/2016 07:30:10 pm

@KK: You will find more and more options in the next few yrs in the EV Industry. Don't know your reason to wait that long but I can say that you will not regret it.

vinay mahendru link

12/7/2016 04:52:30 pm

inspired by your blog and goodreviews e20 is receiving in ndia and UK too.
it appears build quality is great and more needs to be done ,here is a quaestion to the EV community

WHAT IS THE SINGLE BIGGEST THING WHICH CAN START THE LOVE FOR ELECTRIC CARS IN INDIA ?

I am an EV enthusiat and specialise in making Lithium ion battery packs for all applications of energy storage inclding EV.

Farah

12/7/2016 07:28:21 pm

@Vinay: I think 1 single thing to become a part of EV community is "Change in Perspective".

To invest, contribute and take the EV drive ahead one needs to think differently... There are a lot more but I have narrowed it down to this.. :) what say?

21/7/2016 07:51:07 pm

Great Review of a great car! I have been a fan of Reva. Became a bigger fan of it after it changed to e2o. Finally, we have decided to own one. Whatever doubts I had was clarified after reading this page and the comments section. Now, I need one more help. We are close to booking one. Our preference is green or yellow. However, the dealer says the yellow one available is May month vehicle. Is it ok to buy 2 month old vehicle? What will be the quality of the battery? Based on the information I got here, Li-Ion battery should not be left discharged completely. I am wondering that might be the state of the vehicle in the dealers stockyard. Please advice soon.

Farah

24/8/2016 10:26:36 pm

Yours is a valid concern, you can talk about the same with your dealer.

Company gives guaranty and extended warranties on the battery and they have come up with E2O shield for the 4 th and 5 th year which covers controllers and other important parts of the car along with Battary. May be that can help u decide further...

Energy Metering Solution link

23/8/2016 08:52:35 pm

its quite easy to understand your blog if any one got more info about it get in touch with :http://www.intellisyssoftware.com/

Akhilesh

24/8/2016 08:31:57 pm

Hi Farah,
Do you have any idea of maximum gradability of Mahindra e2o. I couldn't find this in the specifications mentioned ? Even if you don't know the value, give me a rough estimate based on your driving experience

Farah

24/8/2016 10:21:54 pm

Gradability ? Can u please elaborate what r u looking for as a specification / value?

Akhilesh Peddu

25/8/2016 12:21:59 pm

I want to what is the maximum slope the car can climb ? Is there any specific value mentioned by the Company ?

Farah Halim

25/8/2016 03:52:33 pm

Akhilesh, it can climb slopes smoothly. No lag. We have gone to the ghats, lifted monthly groceries up the steep slopes from the basement of the buildings, gone over flyovers around mumbai..

I have not come across any official numbers for the same..

jasonroy21 link

8/9/2016 03:12:52 pm

thanks for sharing kind information

Energy Metering Solution link

27/9/2016 06:10:25 pm

Hi, nice article. Thanks for sharing!

Getup Front link

7/10/2016 02:47:01 pm

Great blog..!!! Explained everything which was a great help, it feels like that I am owning this car, few days ago when I went to London I saw a car Prius used for cab which was issued by Getup Front https://www.getupfront.co/ so finally I asked to driver about than I told me about it as he reserved this car at £200 and insurance, services and MOT are included in it and their process is simple, transparent and straight forward, car was available for collection within 24 hrs of approval which was unbelievable.

Sathya link

12/10/2016 06:35:09 pm

The Mahindra e2o is the cheapest EV available. Even though its 120km range makes it only suitable for local commuting the owners seem to like their e2o's. Is it being exported to other countries? What are the licensing and roadworthy issues in other countries

Energy Metering Solution link

25/10/2016 08:48:35 pm

Thanks for sharing. It's really helpful. if any one wants to get more info please visit: http://www.intellisyssoftware.com/

Dhathresh

19/1/2017 03:00:35 am

Nice article brother. I got a good picture of using a electronic vehicle. Planning to buy one for my dad.

Vaibhhav

6/4/2017 08:54:47 am

I am seriously considering to buy EV, however recetnly the cost of M&M went up high ti 10lakhs and Power minister announced by 2030 all vehicles would be electric. Will it be a great decision if I go for it now, considering price tag now and scenerio?

Kamlesh Mallick

6/4/2017 10:50:51 am

Hi Vaibhav,

Yes Mahindra seem to have adopted global pricing strategy of keeping EV's 15% costlier than similar OIL cars.

Such a strategy wont work in India.
But why would they care, as they are selling thousands of their guzzlers.

Regarding your decision.
You should wait for few years more and wait for some competition.
Mahindra Electric needs competition.

If there was Mr Chetan Maini working at Mahindra Electric, i would totally recommend you buying right now.
But Mahindra is not appealing to me personally.

But it is your call. You can still buy an EV now and be the change. , now.
Atleast Mahindra offers you that.

Kamlesh

Vishnu

4/6/2017 07:36:29 pm

Vaibhav I live in Delhi and planning to buy P4 version of E2Oplus. Currently Mahindra is offering a lot of discounts. To me on road it is coming around 5 lacks. Including 30k mapmyindoa infotainment and reverse parking camera. You must take at least 2.25 l discount.

Hi Kamleah,

Thanks again for such an informative blog. How is your experience now after 4 years. Did you get bored sometime ? Is this good option to buy E20 now at under 5 lacks pricing?

Kamlesh Mallick

5/6/2017 11:42:01 am

Man almost 4 years of bliss.
The reliability of the e2o is superb provided we have the right discipline in charging.
Maini created a great product.

Am never bored of it. I love driving an electric and everyday is beautiful.

Yes you can get the e2o Plus P8 or the classic e2o second hand.
Avoid the e2o Plus P6...

Venkata

5/6/2017 11:24:39 am

on old Revai (small one), we had service light problem. Everytime it is ON, we use to take the car to service station. It used to happen every 3-4 days. Service engineers could not resolve this issue. They said, it is due to high temperature outside. It started after using 2 years.

Do you have similar problem with this new version?

Kamlesh Mallick

5/6/2017 11:40:23 am

Hi Sir,

No such problem on the e2o.

Sanjeev

5/6/2017 04:34:12 pm

Thank You Kamlesh for replying my questions.I love following this post.
I used my car more rigorously that may be the reason for service light. I drove around 25000 KM in two years.

saurabh singh

29/8/2017 06:57:32 am

hi
whats range of e2o in full air conditioner on?

Anil

24/8/2017 08:14:20 am

Hi Kamalesh,

Such an inspiring write-up you've got here.

I picked up my e20 a year back and i love it. Its almost 20k done and its just cruises in Bangalore roads, Much faster than any cars. The funniest part i feel like an autorickshaw driver at times when cruising through the gaps. Thought the cut-off speed is 80km/h but at times ive seen mine up to 98km/h and the fear overrides to get back to 80s.

I've always wanted to pen my thoughts, and you're doing a great job & hope you gonna continue. All the best.

Anil

saurabh singh

29/8/2017 06:55:23 am

hi
whats range of e2o with full a.c on?

saurabh singh

29/8/2017 06:56:03 am

hi
whats range of e2o with full air conditioner on?

Mahindra Parts link

29/9/2017 11:30:44 am

It's a great and informative post on automotive. Thank you for sharing such valuable information. We stock a massive collection of Mahindra Spare Parts for all Mahindra models.

Akhilesh Peddu

11/10/2017 09:33:38 pm

Is the range estimation by the BMS still accurate after 4 years?

Kamlesh

11/10/2017 10:44:25 pm

Absolutely accurate. This car is a gem. You get what you are told, unlike the new e2o Plus cars.
I regularly do 110 + km due to efficient driving.
No battery degradation visible so far. Completed 40,000 km and yes i need to update this blog!

Thanks for commenting.

Akhilesh Peddu

12/10/2017 01:35:32 am

Good to know about the accuracy of BMS and no degradation in battery. Does the battery pack have liquid cooling?

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2/11/2018 01:17:19 pm

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13/12/2018 03:45:42 pm

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mmscrapcarbuyers link

25/4/2019 11:07:41 am

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nirmalya

9/5/2019 01:34:15 pm

what would be the mileage per full charge of Mahindra e2o in a congested city like kolkata where one has to break every minute?

Vineet

13/7/2019 12:24:42 am

Great blog sir!
I am looking to get an e2o for daily office commute and am a little skeptical about e2o performance. So a question to you - Can I get a range of 60km in all boost mode drive?

Navaneedh

18/7/2019 02:55:40 pm

Hi can anyone advice me
I've a problem in my E2O as the charger repair , to replace it's costing me around 50K
Kindly advice me
Thanks

ERAM MOTORS link

14/8/2019 02:38:02 pm

Mahindra e2o is a great budget friendly electric car. I thoroughly enjoyed your review. If anyone looking to buy Mahindra cars in kerala you can contact us in http://www.erammotors.com/

Aslam Salim Motorwala link

26/2/2021 10:26:09 am

Wow, This is an amazing blog, I got to know so much about Electric cars. By the way we are one of the most popular Scrap Car Buyers in Mumbai.Contact us if you have scrap cars.

Peter

17/4/2021 02:07:05 pm

Hi, Great blog. I am a UK owner of an E20 and there is little to no support. Is there software or updates available to us? Has anyone changed the BMS system? My car currently won't charge and I assume this is one or more failed/ing cells. I have started to dismantle the car, but any advice appreciated. Stay safe / well all 🙏. Peter, UK.

Raphae Halim

17/4/2021 06:24:11 pm

Hey Peter! Sorry to hear about your E2O not getting any support. Here in India we have a few fellow EV owners who have figured out how to fix some of the problems. The company Mahindra Electric still does repair the cars but they too are running out of spares. I got my IEMS changed by the company and I know of others who have gotten it repaired via some third party for a lot less. Unfortunately many of the component manufacturers won't sell to individuals. Surprisingly even though India is such a price sensitive market, I am seeing repair culture on the decline. However there is so much enthusiasm for EVs now that I am sure some third party alternatives will show up. I can only say that the original IEMS suppliers must be companies in the Bangalore area of India and if one could find out who they are then maybe one could source the correct or equivalent parts directly. Regards! - Raphae

Kamlesh Mallick

17/4/2021 06:34:40 pm

Hi Peter,

If your car wont start charging, your onboard charger needs to be repaired.
If you can get another onboard charger to and then check, that would be one idea.

I had my onboard charger repaired but i got that done in India.
Do let us know what you plan to do.

karan link

16/10/2021 05:16:51 pm

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Ritesh

30/7/2022 12:15:44 am

I am in Pune can you please help me out to buy one e2o. model 2015 km 45 thousand.

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Why i got the Mahindra e2o? Electric Car Ownership 2013 to 2021

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