ThursdayJul 02, 2026 10:00 am

Why EV Batteries Last Longer Than Initially Projected

Last year, Stanford University researchers published a high-profile study that directly challenged established projections about EV battery longevity. For years, conventional wisdom held that the battery pack would be the limiting factor on how long an EV could realistically last. But the findings from Stanford University revealed that EV batteries held up roughly 40% longer than earlier laboratory testing had predicted when subjected to real-world conditions.  Conventionally, the average electric vehicle battery is expected to last for 12 to 15 years of active service before it has to be retired, similar to gasoline and diesel vehicles which typically last between 124,000 and 186,000 miles or 10 to 15 years.  According to…

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