[ GLOSSARY DEFINITION ]
Battery
milliamp-hour
The unit (mAh) used to express phone and tablet battery capacity.
Full Definition & Technical Explanation
The milliamp-hour (mAh) measures battery capacity as the charge it can deliver over an hour. Phone batteries are rated this way; larger numbers indicate more stored energy at the same voltage.
See watt-hour for the laptop equivalent.
Where milliamp-hour Matters
Smartphones
Laptops
Frequently Asked Questions
What is milliamp-hour?
The unit (mAh) used to express phone and tablet battery capacity.
What terms are related to milliamp-hour?
Related Battery terms include LFP, solid-state battery.