New study of 1,300 EVs busts battery degradation myths, Kia and Tesla top the list

New Study Dispels Battery Degradation Myths in EVs

A recent study in Sweden analyzed the battery health of over 1,300 used electric cars and plug-in hybrids.

The study, conducted by Kvdbil, a Swedish used-car marketplace, found that 8 out of 10 used EVs retained over 90% of their original battery capacity.

The persistent myth about rapid battery degradation is just that — a myth.

Kia and Tesla top the list, with the study providing critical new data on battery health, giving used EV buyers confidence.

Author's summary: Study busts EV battery degradation myths.

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Electrek Electrek — 2025-10-27

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