Lead Story
Sep 3, 2026
Mercedes EQA, Hyundai IONIQ 5, BMW i4 Lead Largest EV Battery Health Study
The largest independent study of used-EV batteries, analyzing over 500,000 tests, finds the Mercedes EQA, Hyundai IONIQ 5, and BMW i4 retain the highest state of health. At 150,000 km, these models maintain over 93% battery capacity, while small-pack vehicles like the Nissan Leaf show the fastest degradation.
Priya Sharma