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When you’re shopping for a phone or a portable charger, you’re sure to run into the term milliamp hours or the abbreviation mAh. Unsure of what this means? It’s a simple concept, and figuring out what you need is relatively easy.
What Are Milliamp Hours?
Milliamp hours is a unit that simply measures power over time, with the abbreviation mAh. To get a better idea of how this works, we can look at what milliamps are.
A milliamp is a measure of electric current, specifically one thousandth of an amp. Amps and milliamps measure the strength of an electric current. Add hours to this, and you get a measure of how long this current can flow at that strength.
Think of a battery as an example. If that battery can maintain a current output of one milliamp for 1 hour, you could call it a 1 mAh battery. A milliamp is a tiny amount of power, so this…