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Home >> Volvo >> 2009 >> XC70 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 44 (Alarm, Electrical Control Modules, Brakes, Brake Control Module (BCM) - Design And Function) >> Battery (All) >> Terminology >> Reserve Capacity, RC

Reserve Capacity, RC

WARNING: This page is about a different car, the 2010 Volvo V70, 2009 Volvo V70, and 2008 Volvo V70. However, it is still accessible from the selected car via links, so may be relevant.

The reserve capacity, RC, is measured in minutes and is, according to the SAE norm, the time taken to discharge a fully charged battery at 25 A to a voltage of 10.5 V at a temperature of +25°C (+77°F). The reserve capacity is the length of time the battery is able to supply necessary components with current when the generator (GEN) in the car is not functioning. Volvo batteries are marked with the RC value according to the SAE norm.

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