1. Introduction
1.1. Type of Low Voltage Batteries in Tesla Cars
There are 2 types:
- Lead-Acid 12V
- Lithium-Ion 16V
You should replace your low voltage Lead Acid 12V battery with the same type of battery. If you need help to choose correct battery for your car. Please free to contact us.
Car in North America are equipped with AtlasBX / Hankook 85B24LS 12V 45Ah. You can also buy a new lead-acid low voltage battery from local service center if its compatible with your car. Please free to contact us to check if battery is compatible with your car.
1.2 How to Check which type of battery is equipped in your Tesla car?
Software > Vehicle Additional Information > Low Voltage Battery Type
Lead-Acid
Lithium-Ion
1.3 Which Tesla Car are equipped with Low Voltage Lead-Acid Battery?
Car produced in
- Gigafactory Shanghai before approximately October 2021
- Fremont Factory before approximately December 2021
1.4 Which Tesla Car are equipped with Low Voltage Lithium-Ion Battery?
- Car produced above dates are quipped with a Lithium-Ion Low Voltage Battery.
1.5 Where is it located battery inside the car?
Under the front frunk.
1.6 How to check type of Battery
When you open front frunk. You should be able to identify type of Battery.
2. Buy Low Voltage Battery
Battery Part Number
If you would like buy 12V Lead Acid Low Voltage Battery. Please have a look in our catalog or contact us.
2.1 Part Number
| Model | Year | Part Number | Part Name |
| 3 | June 2017 - Aug 2023 |
1129182-00-B 1119120-00-D (car built before October 2020) |
ASSEMBLY - 12V BATTERY AND VENT PLUG 12V, BATTERY BRACKET ASSEMBLY |
| Y | |||
| S | Apr 2016 - Jan 2021 | 1480221-00-A | LV BATTERY |
| X |
3. Repair Low Voltage Battery
In some cases, its possible to repair Low Voltage Battery. Please contact us for more details. There are some workshops who can repair it.
3.1 When could be possible to repair?
3.1 Cost to repair
3.3 How to check
Video how to check Link
4. Online Support
In case, if you need any support. Please contact us.
5. Appointment to Replace Tesla Low Voltage Battery in best affordable Workshop
6 How to Replace Tesla Low Voltage Battery?
6.1 How to Disconnect & Connect
Guide to disconnect & connect. Link
6.2 How to Replace 12V Low Voltage Battery
6.3 How to reset Battery
If your car has software FW 2023.44 or later version.
Service Mode > Low Voltage > Power Distribution > Change Battery Type
Select the type of battery that was installed and run
7. Guide for Tesla Lithium Ion 16V Low Voltage Battery
In case, if you car is equipped with 16V Battery. Please have a look in another guide Link
FAQ
1. How to check whether current battery is bad?
Source Tesla DIY, Weber University
