Geotab study: EV batteries degrade 2.3% annually on average, remain strong with increased fast charging use
Summary
Geotab's updated EV battery health study, analyzing data from over 22,700 vehicles across 21 makes and models, reveals an average annual battery degradation rate of 2.3%. The research shows modern EV batteries maintain strong performance throughout their operational lifespan, even as the use of high-power DC fast charging becomes more common. The study also examines how climate and usage patterns impact long-term battery health.
Source
bskyGeotab study: EV batteries degrade 2.3% annually on average, remain strong with increased fast charging usegeotab.comKey quotes
· 3 pulledUpdated electric vehicle (EV) battery health data from Geotab Inc. shows that modern EV batteries continue to perform strongly through their operational lifespan, even as fast charging becomes more common.
The updated analysis shows an average annual battery degradation rate of 2.3% per year.
The company analyzed real-world battery health data from more than 22,700 electric vehicles across 21 makes and models, drawing on several years of aggregated telematics information.
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