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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 989 (Battery, Charging System And Starting System) >> Description and Operation >> Battery Description and Operation >> Amp Hour (AH)

Amp Hour (AH)

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The amp hour rating of a battery is the amount of time it takes a fully charged battery, being discharged at a constant rate of 1 amperes and a constant temperature of 27°C (80°F), to reach a terminal voltage of 10.5 volts. Refer to Battery Usage  for the amp hour rating of the original equipment battery.