What Is Reserve Capacity On A Car Battery
What Is Reserve Capacity On A Car Battery . Reserve capacity (rc) rc is a general indicator of how long a new, fully charged battery can continue to operate essential accessories if the vehicle’s alternator fails. The reserve capacity is the amount of time a battery can power a car before the voltage drops. Best Battery For Toyota Corolla [2021] Ultimate Reviews from poweringautos.com The most important function of a starter battery is of course to start a vehicle. Reserve minutes, also called reserve capacity, is the number of minutes a fully charged battery can sustain a designated constant load — usually 25 amps — before it is fully discharged. The worst conditions under which a battery can be expected to deliver current are low temperatures.