Ah to Wh formula
Watt-hours (Wh) measure energy. Multiply amp-hours (Ah) by voltage (V): Wh = Ah × V. For example, a 100 Ah 12 V battery stores 1,200 Wh.
When to use this converter
Use this tool when comparing batteries, sizing solar storage, or matching loads rated in watts to a battery rated in amp-hours.