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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 101 (Battery, Charging System And Starting System) >> Description and Operation >> Battery Description and Operation >> Reserve Capacity (RC)

Reserve Capacity (RC)

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Reserve capacity is the amount of time in minutes it takes a fully charged battery, being discharged at a constant rate of 25 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 reserve capacity rating of the original equipment battery.