EV Battery Replacement Costs? Meh — Tesla Batteries Designed To Outlast Their Vehicles

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One of the bigger concerns many consumers have had about buying electric cars is that the big batteries that power the cars will need to be replaced after a few years, at very high cost. That may have been a legit concern initially, especially because without electric cars that had been around for years, no one could really know how long their batteries would last in real life.

If you assume 15,000 miles of driving a year , that’s over 13 years of driving and your battery still has more than 80% of its original capacity. If you assume 10,000 miles of driving a year , that’sof driving and your battery still has more than 80% of its original capacity. Actually, Tesla indicates that the batteries should retain a full 85% of their original capacity after 200,000 miles of driving.

Naturally, there still can be some batteries that lose more than 80% of range in under 200,000 miles, but those would be odd, highly uncommon cases. I also find it interesting that there’s more variation and “jumpiness” in the degradation norms and estimate further along the graph. It’s not the greatest divergence in estimates, but it’s clearly visible that things get less steady and predictable.

 

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