What Should A Good Car Battery Read On A Voltmeter. Anything lower doesnt necessarily mean the battery is bad. Your car battery is charged about 25 or less.
7 Days a Week. A fully charged battery should read about 125 volts when the key is in the ignition and turned partially but the cars engine is not running. Your car battery is charged about 25 or less.
Your car battery is charged about 25 or less.
Then compare it to the voltage figures below. Turn the vehicles key to the run position and check the multimeter. At 124 volts a car battery is. There is a very big difference when a car battery drops even a small amount of voltage.
