ampere-hour

American  

[am-peer-ouuhr, -ou-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

Example Sentences

If a battery gives its rated ampere-hour capacity on discharge, we do not care particularly how the voltages of the individual positive and negative groups change.

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

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 Hawkins, Nehemiah

On ampere-hour meter plants, when the hand is at FULL, the plant cannot be operated on account of the ignition circuit being broken.

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

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

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

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

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