How Much Voltage Should Car Battery Have. When the engine is running this measurement should be 137 to 147 volts. Fully charged automotive batteries should measure at 126 volts or above.
Ad Visit Your Local Quick Lane to Get Your Vehicle Battery Fixed for a Great Price. Get the Battery You Need Today. If the voltmeter reads between 14 -15 volts then the battery is normal.
If you dont have a multimeter to tell you the voltage of.
Less than that its likely the engine will not start. The higher temperature also tend to reduce the internal resistance of the battery. 12 volts is the standard automotive battery in todays vehicle and each of the battery has 6 cells with a voltage of 21. When the engine is running this measurement should be 137 to 147 volts.
