How Many Volts Is A Charged Car Battery. The charging voltage has to drive current backwards into the batteryso that it can interact with the chemistry of the battery. A fully charged car battery voltage without being plugged into an external device ranges from 137 to 147 volts.

The charging voltage has to drive current backwards into the batteryso that it can interact with the chemistry of the battery. Interstate Batteries Is The 1 Battery Brand Preferred By Techs. Fully charged voltage.
1175-1189 volts means your battery is dead.
When a car drops. A typical car battery should hold about 126 volts of charge or more. When the engine is running this measurement should be 137 to 147 volts. Fully-charged most car batteries will measure at least 126 volts 130-132V for OPTIMA YELLOWTOPs but low voltage doesnt necessarily equal a bad battery.

