Watt-hour(Wh)
The watt-hour is an electrical energy unit equal to one watt for one hour.
Reviewed
- Symbol
- Wh
- Quantity
- Energy
- Measurement system
- SI
- SI classification
- Non-SI unit
- Reference unit
- Joule
- Exact relationship
- 1 Wh = 3,600 J exactly
What the watt-hour is
The watt-hour is widely used for batteries and electricity usage because it expresses energy in a practical, everyday scale.