Car Battery: What Voltage and Amp Are Normal for Performance and Supply?
A typical car battery operates at 12 volts. Amp ratings usually range from 450 to 750 cold cranking amps (CCA). CCA measures the battery’s ability to start a vehicle in cold weather. It shows how many amps a battery can deliver at 0ºF for 30 seconds while maintaining at least 7.2 volts output. Regarding amperage, … Read more