ampere-hour

American  

[am-peer-auuhr, -au-er, am-peer-] / ˈæm pɪərˈaʊər, -ˈaʊ ər, æmˈpɪər- /

noun

Electricity.

1. a unit of electric charge noting the amount of electricity transferred by a current of one ampere in one hour, equal to 3600 coulombs. Ah, a.h., amp-hr, amp. hr.

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ampere-hour British  

noun

1. a.h.. 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

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Etymology

Origin of ampere-hour

First recorded in 1880–85

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Example Sentences

See Examples For:

ampere-hour

This charging rate, for 8 hours should be, as we have seen, one-eighth of the ampere-hour capacity of the battery.

From Electricity for the farm Light, heat and power by inexpensive methods from the water wheel or farm engine by Frederick Irving Anderson

The large hand on the ampere-hour meter reaches 12, or 2.

From The Automobile Storage Battery Its Care And Repair by Otto A. Witte

The unit in which capacity is measured is the ampere-hour.

From The Automobile Storage Battery Its Care And Repair by Otto A. Witte

For instance, 2 amperes in 1⁄2 hour, or 4 amperes in 1⁄4 hour will also give one ampere-hour of 3,600 coulombs.

From Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications by Nehemiah Hawkins

When the battery voltage drops to 1.7 per cell on discharge before the battery has delivered its rated ampere-hour capacity, at the 5-hour rate when a discharge test is made.

From The Automobile Storage Battery Its Care And Repair by Otto A. Witte

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