What affects EV battery health
Calendar aging, cumulative miles, and frequent DC fast charging all contribute to capacity fade. Thermal management and chemistry vary widely by model.
Limitations
This is a simplified model for curiosity—not a diagnostic. For warranty or resale, use dealer scans or OBD SoH reports.
Frequently asked questions
Q: What is SoH? A: State of health—remaining capacity vs. new, usually 100% when new. Q: Can SoH improve? A: No, only slow further degradation with good habits.