Electric Vehicle Battery Life Holds Up Better Than You Might Think

When you think of electric vehicle battery life, what's the first thing that comes to mind? Anxiety? Degradation? With EV adoption being a fairly recent concept, it's fair if you set your expectations low. However, real-world data shows EV batteries degrade by just 1.8% per year, according to Charlotte Argue, Senior Manager of Sustainable Mobility at Geotab. In fact, after 10 years, an EV battery should retain over 80% of its original capacity.

Geotab analyzed 5,000 EVs in fleet applications and found battery degradation rates improved, dropping from 2.3% per year in 2019 to 1.8% today. The study focused on light-duty fleet vehicles, including those in municipalities, government agencies, and field service operations – cases when vehicles often experience harsher conditions and higher usage than personal EVs.

On this episode of The Amped EV Podcast, Argue explains how EVs can offer fleet operators a cost-effective investment. A Geotab study of 750,000 fleet vehicles across seven countries found that 75% of gas-powered vehicles could switch to EVs and still meet their range requirements. Forty-one percent of fleet operators would save money by transitioning to EVs, she adds.

Frequent fast charging and high temperatures accelerate battery degradation. Vehicles relying on DC fast charging in hot climates degrade faster. However, many fleets can reduce stress on batteries by using slower charging methods during natural downtime. This approach lowers costs and extends battery lifespan.

“We’re seeing that battery health is not something fleet owners need to fear,” Argue tells us. “In fact, with the right data and operational strategies, EVs are proving to be a cost-effective and long-lasting alternative to internal combustion engine vehicles.”

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