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ampere-hour

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia 0.03 sec.

A current flow for one hour measured in amperes (amps). Abbreviated "Ah" and commonly called "amp-hour," it is widely used to rate how long it takes for a battery to discharge. For smaller batteries, a milliampere-hour (mAh) rating is used. For example, a 500 mAh battery means it will release 500 milliamps of current at a specific voltage for one hour before it is discharged. See ampere.

Amp-Hours and Watt-Hours
Batteries can be rated in amp-hours (Ah) or watt-hours (Wh) as shown in these examples for a digital camera. The bottom battery is equivalent to 3.3 Wh, while the top battery is equivalent to 667 mAh.
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1 ampere-hour, 6-volt non-rechargeable lithium-manganese dioxide battery used to power the AN/PAS-13 Thermal Weapon Sight.
Ultralife Batteries Receives $1.2 Million Military Battery Order by Business Wire
1 ampere-hour, 6-volt battery used to power the advanced AN/PAS-13 infrared thermal weapon sight.
Ultralife Batteries Receives $1.6 Million Military Battery Order by Business Wire
Ultralife's BA-5347/U is an 11 ampere-hour, 6-volt non-rechargeable lithium-manganese dioxide battery used to power the AN/PAS-13 Thermal Weapon Sight (TWS).
Ultralife Batteries Notified that BA-5347 Contract Protest Denied; ... by Business Wire
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