How do you check if a car battery is fully charged?
How do you check if a car battery is fully charged? Fully charged automotive batteries should measure at 12.6 volts or above. When the engine is running, this measurement should be 13.7 to 14.7 volts. If you don't have a multimeter to tell you the voltage of your battery, you can do a test of your electrical system by starting the car and turning on the headlights. What happens if your battery is not fully charged? Your battery is not fully charged. Make sure you always get to that level or the level suggested by the manufacturer** in order to...