New Research Reveals Surprising Leader in Electric Vehicle Battery Health. A recent study has shed light on the long-term performance of electric vehicle batteries, with the Kia e-Niro emerging as the top performer after extensive high-mileage testing. Conducted by electrive.com, the study analyzed the battery health of various electric vehicles, including popular models from major manufacturers. The results, which are expected to have significant implications for consumers and manufacturers alike, suggest that the Kia e-Niro's battery pack retains an impressive 97% of its original capacity after an impressive 150,000 kilometers of driving.


Study: Kia e-Niro leads battery health ranking after high mileage  electrive.com