Tesla 12V & 16V Lithium Battery Repair (Model S, 3, X, Y)

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.

Fix Tesla battery warning messages

Solve Tesla not starting / low-voltage issues

48-hour repair turnaround after receiving your unit

⚠️ Important: This service is for the low-voltage lithium battery (12V / 16V) — not the main high-voltage EV battery pack.

⚡ Send us your battery and get it repaired in 2–3 business days with return shipping.⚡

Supported Tesla Models for Repair

We repair lithium low-voltage batteries used in:

  • Tesla Model S battery repair (2021–Present)
  • Tesla Model X battery repair (2021–Present)
  • Tesla Model 3 battery repair (2020–Present)
  • Tesla Model Y battery repair (2020–Present)

Compatible with most Tesla vehicles using 12V or 16V lithium auxiliary battery systems.

👉 Always confirm compatibility by part number or VIN

Get Repair Quote
Tesla low voltage lithium battery (12V / 16V) for Model S, 3, X, Y repair service

✅ Want to confirm if we can fix your Tesla BATTERY? Contact us!

Supported Tesla OEM Part Numbers

We commonly repair Tesla lithium batteries with the following OEM part numbers.

Tesla 12V battery part numbers:
1875662-00-E • 1875662-00-F • 1875662-00
Tesla 16V battery part numbers:
1598486-00-G • 1598486-00-F • 1598486-00 • 1598486-00-D • 1598486-99-D • 1598486-88-D

These Tesla OEM part numbers correspond to common 12V and 16V lithium auxiliary battery systems used across Model S, Model 3, Model X, and Model Y.

Additional variants may exist. Contact us with your part number or VIN for verification.

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.

Contact Us About Your Tesla Battery

Send your battery details and we’ll confirm repair eligibility and pricing.

Describe the issue or enter the OEM part number / VIN if available.

Fast response — usually within a few hours.

Got a Li-ion battery to sell? Contact us — we’ll give you the best deal!
Sell Your Battery

Customer Feedback

Trusted by 500+ customers across the U.S.

★ ★ ★ ★ ★

Tesla 12V battery warning gone after repair. Car starts perfectly again.

D.R., California

★ ★ ★ ★ ★

Sent my Model Y battery and got it back working in two days.

M.K., Texas

★ ★ ★ ★ ★

Much cheaper than replacement. Fixed my Tesla low voltage issue fast.

A.P., Florida

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.

Frequently Asked Questions | Tesla Battery Repair

How long does Tesla battery repair take?

Most Tesla 12V and 16V lithium batteries are repaired within 48 hours 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 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 1875662 and 1598486 series, covering both 12V 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.

Get a Quote
Send us your battery details and we'll confirm repair eligibility before you ship.

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