How Many Volts Should A Car Battery Have When Off. At 1143 volts the power is slightly stronger than stated. A fully charged car battery voltage should be 126v or above this is with the engine off.
There are six 21V cells in a 12V vehicle battery. A car battery is considered fully charged at 126 volts or higher. 1245-1254 volts means you have a 75 charge 1224-1229 is 50 charged and 1199-1206 volts is 25 charged.
Every power unit has to be tested regularly for a better service and longing lifecycle.
Every power unit has to be tested regularly for a better service and longing lifecycle. What had happened was my Volt Regulator that regulates how many volts run through your car went bad. But this rule is applicable when the engine is turned off. See also Open-Circuit Voltage.
