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Amperage is the disfavored term for "current:": the strength of an electric current in Amperes (Sometimes shortened to Amps).

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How much current does a battery store?

I have always been confused when it came to how much charge does a battery charge. Let's say, a phone battery: It says 1900 mAh @3.7 v. Now i know it goes up to 4.2v, but those 1900 mAh are available …
Andrei Grigore's user avatar