BATTERY CELL WEAR INDICATOR

One embodiment provides a method, including: monitoring, using a battery management unit, a condition of one or more cells within a block of a battery, wherein the monitoring comprises capturing, using a camera associated with the battery management unit, an image of an exterior of the one or more cells; determining, using a processor, that the condition of at least one of the one or more cells has fallen below a predetermined threshold, wherein the determining comprises identifying that the exterior of the at least one of the one or more cells has undergone a color change event; and providing, responsive to the determining, a notification. Other aspects are described and claimed.