a practical unit of quantity of electricity; the quantity that flows in one hour through a conductor carrying a current of 1 ampere. 1 ampere-hour is equivalent to 3600 coulombs
Abbreviation: a.h.
ampere-hour in American English
(ˈæmpɪrˈaʊr)
noun
a standard unit for measuring the quantity of electricity, equal to the flow of a current of one ampere for one hour, or to an elapsed current drain of 3,600 coulombs
ampere-hour in Electrical Engineering
(æmpɪər aʊər) or A-h
Word forms: (regular plural) ampere-hours
noun
(Electrical engineering: Electrical power)
An ampere-hour is a measure of charge or current flow over time.
For the operation of a pacemaker, only a small amount of power is needed, and thus,one can make do with limited battery ampere-hour capacities.
Five ampere-hours means a current flow of one ampere for five hours or a current flow of 2 1/ 2 amperefor 2 hours.
An ampere-hour is a measure of charge or current flow over time.