How long do electric vehicle batteries actually last?

Industry Discussions Hybrid & Electric Vehicle Fools
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{{ “We were expecting battery health to be experiencing mass degradation over the first one to three years of owning a vehicle,” George says. “What we have seen, though, is that these 2, 3, 4-year-old off-lease cars that are coming back have battery health scores well upwards of 95%.”

Recurrent’s data also shows that cars from most major brands retain 95% or more of their expected range after 3 years, thanks in part to software and battery management systems that are designed to correct for the battery’s early degradation, and give drivers consistent range. }}

https://www.npr.org/2026/03/02/nx-s1-5706658/electric-vehicle-battery-lifespan

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Thanks for the article. Goes on for 1000 words before getting to the facts. Batteries usually guaranteed for 100k miles. At 150k miles batteries have lost less than 17% of their range.

Now we have 3 yr data. How abt 10 yr data? 15 yr data?

And don’t forget technology continues to improve. Prediction of service life of current batteries is still wait and see.

Data are not disaster but no doubt those making the guarantees are watching closely. The guarantee is part of their cost.

Guarantee replaces battery at 30% loss of range.