How Many Volts For A Car Battery

If you are car mechanics you have to know how many volts for a car battery. When it comes to the electrical system of your car, one key component that you must understand is the car battery. More specifically, knowing how many volts your car battery should have will help you maintain the overall health, and efficiency of your vehicle. Generally, a fully charged car battery contains around 12.6 volts when at rest. When you start the vehicle, the voltage can go up to approximately 13.7 to 14.7 volts.