See ampere-hour and watt. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

Battery capacity is measured in either Milliamp Hours (mAh) or Watt Hours (Wh). Milliamp hours are a measure of electrical charge, while a watt-hour is equal to one watt of energy consumed for one ...

The watt hour meter measures the total energy supplied from the mains supply. For experimental convenience it is replaced by an indicating watt meter that indicates the instantaneous rate of energy ...