Tesla 12V, 12.8V & 16V Lithium Battery Repair
Is your Tesla showing a low-voltage battery warning, failing to start, or displaying system errors?
We provide professional Tesla 12V and 16V lithium battery repair for Model S, Model 3, Model X, and Model Y vehicles. Our service restores your original Tesla auxiliary (low-voltage) battery, helping you avoid costly replacement.
⚡ Send us your battery and get it repaired in 2–3 business days with return shipping. ⚡
- Ship your battery to us
- We diagnose & repair
- We ship it back
Common Tesla Battery Problems We Fix
- Tesla low voltage battery warning
- Tesla 12V battery failure
- Tesla 16V battery malfunction
- Tesla car won't start
- Tesla system errors or alerts
- Battery voltage imbalance / BMS faults
Many of these issues can be repaired without replacing the battery.
⚠️ Important: This service is for the low-voltage lithium battery systems (12V, 12.8V, and 16V) — not the main high-voltage EV battery pack.
Supported Tesla Models for Repair
We repair the low-voltage lithium battery systems used in:
Tesla 16V Lithium
- Tesla Model 3
- Tesla Model Y
- Tesla Model S
- Tesla Model X
Tesla 12.8V Lithium
- Tesla Model S (2021–Present)
- Tesla Model X (2021–Present)
- Tesla Model 3 (2022–Present)
- Tesla Model Y (2022–Present)
Tesla 12V Lithium
- Tesla Model 3 — late 2021–2022 vehicles equipped with the 12V lithium low-voltage battery
- Tesla Model Y — late 2021–2022 vehicles equipped with the 12V lithium low-voltage battery
Confirm compatibility by OEM part number or VIN before shipping.
Tesla Lithium Battery Systems We Repair
Below is an overview of the Tesla low-voltage lithium battery systems we repair.
| Battery Type | Voltage | System Type | Compatible Tesla Models |
|---|---|---|---|
| Tesla 16V lithium low-voltage battery | ~16V | OEM lithium low-voltage battery | Tesla Model 3, Model Y, Model S, Model X |
| Tesla 12.8V lithium low-voltage battery | ~12.8V | OEM lithium low-voltage battery | Model S / X (2021–Present), Model 3 / Y (2022–Present) |
| Tesla 12V lithium low-voltage battery | ~12V | OEM lithium low-voltage battery | Model 3, Model Y (late 2021–2022) |
Compatibility is based on the specific low-voltage lithium battery fitted to your vehicle. Confirm compatibility by OEM part number or VIN before shipping.
This service covers Tesla low-voltage lithium batteries only — not the main high-voltage EV traction battery pack.
Supported Tesla OEM Part Numbers
We commonly repair Tesla lithium batteries with the following OEM part numbers.
Tesla 16V Lithium
- 1598486-00-F
- 1598486-00-G
- 1598486-99-D
Tesla 12.8V Lithium
- 1875662-00-E
- 1875662-00
- 1875662-00-F
- 1598486-00-G
- 1598486-00
- 1598486-00-F
Tesla 12V Lithium
- 1598486-99-C
Get Your Tesla Battery Repaired
Send your battery details and we’ll confirm repair eligibility and pricing.
Got a Li-ion battery to sell? Contact us — we’ll give you the best deal! Sell Your Battery →
Why Choose Our Tesla Battery Repair Service?
- OEM module repair and diagnostic
- Fast turnaround (2–3 business days)
- Save vs. full battery replacement
- Safe, nationwide shipping
If a battery cannot be restored due to severe internal damage or corrosion, a refund is issued minus return shipping.
Customer Feedback
Trusted by 500+ customers across the U.S.
Tesla 12V battery warning gone after repair. Car starts perfectly again.
Sent my Model Y battery and got it back working in two days.
Much cheaper than replacement. Fixed my Tesla low voltage issue fast.
Frequently Asked Questions | Tesla Battery Repair
How long does Tesla battery repair take?
Most Tesla 12V, 12.8V and 16V lithium batteries are repaired within 2–3 business days after we receive the unit. Total turnaround depends on shipping time.
What Tesla batteries do you repair?
We repair Tesla low-voltage lithium batteries (12V, 12.8V and 16V systems) used in Model S, Model 3, Model X, and Model Y.
Is this the main Tesla battery repair?
No. This service is for the auxiliary low-voltage battery, not the main high-voltage EV battery.
What are common Tesla battery failure symptoms?
- Battery warning message
- Car not starting
- Electrical system errors
- Low voltage alerts
How do I confirm compatibility?
Check your battery label for the part number, or send us your VIN or photo — we’ll confirm before shipping.
What part numbers do you support?
We service Tesla batteries including the 1875662 and 1598486 series, covering 12V, 12.8V, and 16V systems.
Do I need to send my original battery?
Yes. This is a repair service — you send your original Tesla battery to us.
What if my Tesla battery cannot be repaired?
If the battery is beyond repair, we issue a refund minus return shipping cost.
Are Tesla batteries tested after repair?
Yes. Every battery is diagnosed, repaired, and fully tested before being returned.
Can I sell my Tesla battery instead?
Yes. Even faulty Tesla lithium batteries may have value — contact us for evaluation.
Ready to Fix Your Tesla Li-Ion Battery?
Looking for Tesla lithium battery repair near you?
We provide nationwide mail-in service across the U.S., including Florida, Texas, California, New York, Illinois, and more.
Send us your battery details and we'll confirm repair eligibility before you ship.
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