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Ars Technica

EV batteries last longer than drivers feared

Tuesday, September 8, 2026


A study found that electric vehicle batteries retain approximately 90% of their original usable capacity after 150,000 kilometers of driving. The research indicates used EV batteries degrade more slowly than some owners had anticipated. Battery longevity was measured across vehicles to establish real-world retention rates at common mileage thresholds.

Original reporting: https://arstechnica.com/cars/2026/09/ev-batteries-last-longer-than-drivers-feared/

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