Car Battery Voltage: What Should It Be? Normal, Minimum Levels & Testing Guide
A car battery voltage typically ranges from 12.6 to 14.5 volts. When the engine is off, a fully charged battery shows a resting voltage of 12.6 volts. When the engine runs, the voltage usually increases to between 13.5 and 14.5 volts. This increase indicates that the alternator is working properly. To ensure your battery is … Read more