How Many Volts Does A Good Car Battery Have. In the standard state a fully charged battery should display 126 127 volts on a voltmeter reading. A reading of 1265-1277 volts means your battery has a full charge.
Although extreme weather conditions such as freezing temperatures can also cause the voltage to drop and increase the power requirement of the engine to turn over. Available at Advance Auto Parts. Recharge the battery and check the tendency of power consumption.
The battery needs a certain voltage to charge and maintain charge generally over middle 13 volts in a lead-acid 12 volt system.
A fully-charged car battery in as-new condition can have a voltage of 126. 126V volts or above Your battery is healthy and fully charged. How many volts does a 12 volt battery need to start a car. 2 A known-good battery is dead at 120 volts and fully charged at 126 volts.
