Battery health refers to the overall condition and performance capability of a battery compared to its original (new) state. It is typically expressed as a percentage, indicating how much of the battery’s original capacity or power output is still available after aging, cycling, and exposure to environmental conditions.
Factors That Affect Battery Health:
Cycle Aging: Loss from repeated charge and discharge cycles
Calendar Aging: Degradation over time, even when not in active use
Temperature Stress: High or low temperatures accelerate wear
Overcharging / Deep Discharging: Can cause irreversible chemical changes
High C-rates: Fast charging/discharging can damage internal components
