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milliampere hour (mAh)

Definition

milliampere hour (mAh)

Part of the Electronics glossary:

A milliampere hour (mAh) is 1000th of an ampere hour ( Ah ). Both measures are commonly used to describe the energy charge that a battery will hold and how long a device will run before the battery needs recharging.

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ampere hour (Ah or amp hour)
An ampere hour (abbreviated Ah, or sometimes am...
(WhatIs.com)

For example, an IBM Thinkpad 365 with an Nickel-Metal Hydride 9.6 voltage battery that is stated to provide a charge of 2800 mAh offers from 2.5 to 5 hours of battery use without recharge.

This was last updated in March 2011

Posted by: Margaret Rouse

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