Question
How long do EV batteries last?
A lithium-ion battery (used in most EV cars) can last up to 8–15 years or 100,000–300,000 miles.
The lifespan of an EV battery depends on a few factors like the make and model of the car, charging habits, climate, and usage. But, you are sorted for the first 8 years, as most automakers currently offer an 8-year battery warranty.
One other thing to know about EV batteries is that, unlike batteries used on their combustion-engine counterparts, these EV batteries don’t give out suddenly. They are, however, subject to degradation. As they age, a lithium-ion pack loses a fraction of its total capacity. This degradation is unavoidable. However, there are ways you can prolong the lifespan of an EV battery:
- Avoid frequent fast charging. DC fast charging can degrade the battery capacity faster than AC slow charging.
- Avoid charging the battery up to 100% always. While occasionally charging them up to 100 is safe, doing it frequently can further stress the battery and affect its lifespan.
- Avoid letting the battery charge drop below 10%. Like overcharging, constant undercharging of the battery can also strain the battery.
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