How long do electric car batteries last? Geotab’s updated guide to real‑world EV battery health answers that question with hard data. By analyzing telematics from more than 22,700 electric vehicles, the study finds an average battery degradation rate of 2.3% — a concise, data‑driven snapshot of how batteries hold up in everyday use.
The report does more than give a single number. It examines the factors tied to degradation and identifies high‑power DC fast charging as the top risk factor for battery wear. Those findings come from a large, real‑world sample and are presented as part of an updated, practical guide for drivers and fleet managers curious about long‑term battery performance.
If you’ve been weighing concerns about battery longevity when considering an EV, this analysis provides useful context: a measured average degradation figure and a clear pointer to one of the biggest behavioral risks. For readers who want the full breakdown and methodology, the Geotab guide on EV battery health is the place to dive deeper.
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