What Does Rc Mean On A Battery

RC on a battery stands for Reserve Capacity, a specification that indicates how long a battery can deliver a constant current of 25 A before its voltage drops to 10.5 V. It is expressed in minutes and is a key indicator of a battery’s ability to power a vehicle’s electrical systems during prolonged use.

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What Does Circ Mean On A Thermostat

The “CIRC” indicator on many thermostats refers to the circulation pump that moves hot water through a hydronic heating system. Activating CIRC allows the pump to run without a heating call, helping balance temperatures, prevent pipe freezing, and provide hot water to radiators on demand.

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