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PluginIndia Electric Vehicles

Tata Nexon EV : Maximizing Battery health | EV Guru

21/4/2021

18 Comments

 
By Kamlesh and Raphae
The PluginIndia team recently met some members of the Tata Motors RnD team and we were discussing about the Nexon EV's performance in the market. In this article, we document certain charging tips that are were mentioned to us by the Nexon EV team, that will significantly boost battery health.
Video : Tata Nexon EV : Maximizing Battery health | EV Guru
The Tata Motors team told us that there is a steady demand for Nexon EVs. There are more than 1000+ paid bookings reported each month. The Nexon team told us that they are happy with the demand and these numbers will help senior management to launch more EV's to the market. So congratulations to all Nexon EV Owners and your pioneering efforts in owning a Nexon EV. This will pave the way for more EV's from Tata Motors.

Regarding some observations faced by Nexon EV owners, the Tata team said that they are learning a lot from the usage of all of you and are constantly developing their systems, which includes the hardware and software. A significant software update was released to the field in late 2020, thereby improving the range of the cars and further refining the drive characteristics of the vehicle. This has received appreciation from owners. The Nexon EV is now the highest selling EV in the country, crossing 4000 units of sales by March 2021. They also said that the team is working hard to fix any other pending issues as well and we might get to hear of some more updates as well.

​This according to us is fantastic. This shows that Tata Motors is listening to the community and fixing issues for customers. We love such companies who are customer focussed and we hope Tata continues to listen to their customers. This culture should never change as an Electric Car contains a lot of electronic components which are software driven. And constant tuning and fixing is important for optimal performance of the electric car.

Given this is a new technology, Tata Motors believes that if customers could try the below suggestions/ tips, users might benefit them during their ownership:  
  • Regular AC Slow Charging
    Ensure you slow charge your Tata Nexon EV after every four to five cycles of fast charging or once in a week. This is extremely important, as all cells in the battery pack need to be balanced and regular slow charging is very important for equalizing cells.
  • AC Slow Charge up to 100% 
    The Tata Motors team have observed owners charging the battery of the car up to 60-70% each week as they feel that is enough range for their day-to-day needs. But this becomes a big issue as all the cells in the battery pack won't have optimum balanced voltage. When this happens, even if one cell goes below the threshold the car will stall. So it is recommended to Nexon EV owners to leave your car to charge overnight once a week. And ensure it charges up to 100% SOC.
  • DC Fast Charging
    DC Fast charging stations are coming up all over India, with many networks like Tata Power, Zeon Charging and EESL who are installing 25-50 kW CCS2 based DC fast chargers. Many of these are being installed in the city. This is becoming a problem as many Tata Nexon EV owners think that they can visit a DC fast charger and plugin for 20 mins and manage their charging. And this is exactly what the Tata Motors R&D team have been observing. Owners are visiting Fast Charging stations, plugging in for 15-20 mins and charging up to 60-70%. Do understand that, when using the DC fast charger, the last 20-25% takes more time as once the battery reaches a certain level of its capacity, usually 80 percent, charging essentially slows down. This slow down occurs as at higher SOC there is more resistance and the pack is getting hotter so that charger sends less current. At this point it also balances the cells and optimizes the pack. 
    People, unfortunately, seem to be impatient, and want to leave as soon as possible. The Tata team told us this will happen as this is opportunity-based charging to top up the battery in given busy schedules. However, they told us that after 4/5 opportunity charging instances, it's important to wait until the process completes during fast charging and ensure the SOC goes all the way to 100%
  • Regular service checks and software updates​
    Many people think that using an Electric car would mean no service. It is true that an electric car does not have so many moving parts. But staying up to date and getting the latest software is important to keep your car healthy. Tata Motors recommends getting a service done after 7500 km or six months and ensure you follow this. Ensure you communicate with your dealer/community regularly to check for special software updates.
  • Follow Social media channels and community groups
    • ​​Follow Tata Motors Electric Mobility social media channels for updates
    • Follow the Nexon EV owners club twitter handle, you get a lot of updates from fellow Nexon EV owners.
    • Join the Nexon EV Telegram group. Message the admin Nexon EV owners club twitter handle and they will add you in.

If you guys have any questions feel free to write in the comments below. We can try to get answers from the Tata Motors EV team.
18 Comments
Vivek Ahuja
21/4/2021 08:37:31 pm

Thanks this is a useful article and video!!!

Reply
rushikesh walunj link
2/6/2021 03:17:42 pm

very nice article.please click this for more EV news

Reply
Mohan Shivanna
22/5/2022 08:41:39 am

Good article

black pearl link
2/6/2021 03:14:01 pm

very nice article. please check this also.

Reply
Ankush Gupta link
19/6/2021 02:58:40 pm

Nice article. I am purchasing this car only and searching for benefits of car Tata Nexon. In future Tata produce electric vehicles at low cost and with best features.

Thanks.

Reply
Rohan Sachdeva
2/8/2021 09:23:02 pm

Can I leave the car on charge overnight? Will it over charge or effect the cars battery?

Reply
Chetan K V
3/9/2021 10:55:08 pm

I am bit disappointed with range.. It comes with 312km which is not bad but we have scooters with 180+ range.. Two wheelers to 4 wheelers range should be at least 4-5 times difference..

I looking forward to its predecessor

Reply
Bhanu link
1/6/2022 02:25:47 pm

Good article, very useful. Thanks.

Reply
dentalsave link
6/7/2022 11:58:47 am

I m always using home slow charger, So How much charge and discharge is good for my car battery

Reply
Suryakant Takalkar
14/7/2022 05:14:47 am

Can nexon ev car charging automatically off when charging is 100%full.

Reply
malQ link
19/7/2022 07:15:04 pm

Having used EVs since the mid '90s (Original Reva, Saturn EV and then one home assembled jugaad) we are going in for a "proper" EV soon, the Nexon Prime, and this post makes a lot of sense and is also very helpful. Many thanks.

Reply
dentist near me link
27/10/2022 07:56:24 pm

I found this post very interesting and informative. Thank you for sharing your special thoughts with us. I definitely share this with my peeps.

Reply
TOTOMAX link
11/11/2022 06:30:21 am

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TOTOBLOGS link
11/11/2022 06:30:58 am

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Rajan Kumar Adhikari
20/11/2022 08:10:53 pm

I used Tata Nexon Xz+ in Nepal. I have a query that I use the range per day about 20-30km only. Some of the day is not use at all. When I charge the battery to 100% and usage is 20-30%/day. Shall I charge the battery every day? or till 20% ? please

Reply
Naresh link
7/1/2023 07:25:25 pm

Thanks for sharing informative article, I really like this post.

Reply
achyut patel
2/2/2023 04:29:06 pm

hi
pluginindia

as you must be knowing the 80% battery charge rule
many of ev manufacturer in world recommends 80% charge for regular use
does it goes with tata or tata has some different type of battery which needs 100% charging

Reply
Kamlesh
9/2/2023 03:09:23 pm

Charge upto 100% once a week. Tata cars have LFP cells and no active balancing. So they have to be charged upto 100% regularly for balancing.

Reply

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