Jan Wildeboer 😷:krulorange: @jwildeboer@social.wildeboer.net
Public

TL;DR Most EV batteries will last longer than the cars they’re in. Battery degradation is at better (meaning: lower) rates than expected. Slow charging is better. Drive EV and don’t worry about your battery.

„Our 2025 analysis of over 22,700 electric vehicles, covering 21 different vehicle models, confirms that overall, modern EV batteries are robust and built to last beyond a typical vehicle’s service life.“

geotab.com/blog/ev-battery-hea

Key Insights Average degradation rate: The average annual electric vehicle degradation rate is 2.3%. Power: High-power DC fast charging (>100kW) is the single largest stressor, leading to degradation rates up to twice that of the low power charging group (3.0% vs 1.5% per year). Climate: Hot climates impose a penalty on battery life, with vehicles operating in hot conditions degrading 0.4% faster per year than those in mild climates. Utilization: The increase in degradation from high daily use is a measurable but worthwhile trade-off for the gains in fleet productivity and ROI. State of charge (SOC): For most EV use, there's no need to worry about avoiding fully charging or emptying the battery. Degradation only speeds up when vehicles spend over 80% of their total time at or near-full or nearly empty charge levels.
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