The abbreviation mAh stands for milliamperes/hour and tells the capacity of the battery and is the product of current and time, usually quoted at the ten hour rate.
For instance: 1500 mAh battery can deliver 1500 mA (1.5A) for 10 hours, or approximately pro-rata. A 3000 mAh hour battery can deliver 3000 mA (3A) for 10 hours, or approximately pro-rata.
The time for higher discharge currents will be less than that expected because of the batteries’ inevitable internal resistance, and the heat generated. So a 1500 mAh battery will deliver 1500mA for less than 1 hour.
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Stephan Pringle
Technology Support Specialist at Sipylus
About The Author: Stephan Pringle is an Information Technology Support Specialist. He covers hardware and software and provides tips for you to troubleshoot and repair issues on your own. In his spare time, he writes articles about the State of New York on his Hackintosh and HackBook and that has helped him to become the top contributor of the New York City section of Yahoo! Answers.
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