BATTERY F.A.Q.
What does "capacity" mean?
Inside the battery a chemical reaction produces the electrons. The speed of electron production by this reaction (the battery's internal resistance) controls how many electrons can flow between the terminals.

The law of Ohm: Ampère = Volt/Ohm

He discovered that a current that flows through a wire is proportional to its cross sectional area and inversely proportional to its lenght.

The choice of materials used and the construction of the battery will determine how many electrons can flow at the same time and if this battery is right to power a specific appliance and it's needs ...
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