ampere hour
Unit whose name includes an SI unit and a non-SI unit accepted for use with SI
| Name | Symbol | Quantity | Value in SI units | |
| ampere hour amp hour |
A h | electric charge | 3600 C |  |
DefinitionThe ampere hour, or amp hour, symbol A h, is a non-SI unit of electic charge, accepted for use with the SI. |
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The ampere hour is derived from the ampere (an SI coherent derived unit) and the hour (a non-SI unit accepted for use with SI).
| current | × time | = charge | expressed in SI units |
| 1 A | × 3600 s | = 3600 A s | 3600 C |
Metric System 