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.
A complimentary quick diagnostic battery check is available anytime you stop by one of our 1,700-plus Firestone Complete Auto Care locations. Using our Early .
AutoZone will test your car's parts for free. We can test your car's battery*, alternator*, starter* and voltage regulator while they're still on your car. We can also give your car a complete starting and charging systems test. You can also take your alternator, starter or battery into our store and we'll test it.
We'll check the condition of your car battery, including your battery starting. You can order your replacement battery online or call in to your nearest Kwik Fit .
Either way, the experts at Battery World have all the testing equipment needed to test batteries ranging from trucks, cars, boats, motorcycle, mobile phone and .
The only way to know if your battery is good or bad is to test it. Pep Boys offers professional and complete Battery Starting and Charging System Services.