How long is my EV's battery warranty?
Most manufacturers offer a separate, longer warranty specifically for the EV's battery pack, distinct from the standard vehicle warranty.
Typical battery warranty terms:
- Commonly 8 years or 100,000 miles, whichever comes first, though this varies by manufacturer
- Usually guarantees the battery will retain a minimum capacity (often around 70%) within that period — not that it won't degrade at all, just that degradation beyond a certain point is covered
- Terms and mileage limits vary meaningfully between manufacturers, so it's worth checking the specific policy for your make and model rather than assuming a standard figure applies
What to check if buying used:
Battery warranties are usually tied to the vehicle rather than the original owner, meaning they typically transfer to subsequent owners for the remainder of the term — but it's worth confirming this with the manufacturer or a dealer, since policies can differ. If you're looking at an older EV, checking how much of the original battery warranty term remains (based on the registration date and current mileage) is a sensible step before buying, since a battery replacement outside of warranty can be a significant cost.