Definitions for

**"Amp-Hour"**a measure of how much current a battery can supply before draining itself

a quantity of electricity equal to the integral of the current with time.

a unit of measurement which quantifies the amount of current flow for an amount of time. For example, a current of 1 amp drawn from a battery for 10 hours would consume 10 Amp-hrs of charge from the battery. Fundamentally, a measurement of electrical charge.