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n. Abbr. A.h. or amp hr
The electric charge transferred past a specified circuit point by a current of one ampere in one hour.
(Units) 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.
a unit of electric charge equal to the amount of electricity transferred by a current of one ampere in one hour. Abbr.: Ah, amp-hr, amp. hr.