this post was submitted on 16 Jun 2024
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[Dormant] Electric Vehicles
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Nobody really knows how long such a battery holds out. As it is the major cost factor of an EV, people are reluctant to pay high prices.
While we don't know the top end yet, we know the average is at least 100,000 miles or every EV manufacturer wouldn't warranty for that much. And that is just for when the batteries hit 30% degradation, not total failure.
Long term surveys are showing as little as 10% degradation after over 150,000 miles. After over 12 years on the road, less than 5% of old Teslas Model S's have needed battery replacements. The average lifespan of an ICE car is around 12 years, but less than 8% of EVs built in 2011 have needed a battery replacement and less than 4% of EVs built in 2012 have.
Typically they are guaranteed for 100K miles.