Power & batteriesEveryday
Glossary
mAh
Also: milliamp hours, battery capacity
mAh is a battery capacity rating that hints at how much charge a device can store.
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Go deeper
mAh is a battery capacity rating that hints at how much charge a device can store. In everyday buying decisions, the useful question is not just what the spec says, but what it changes for comfort, cost, speed, safety, or battery life.
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