How Can I Test If My Car Battery Is Bad. When you do this test on your car you want to see about 124 to 126 volts. That means your battery is fully charged.

Test the battery voltage. Schedule a Free Battery Check. This easy car battery test can help you decide if you need to replace a car battery.
If your multimeter is not autoranging set it to 20V DC.
Yes it could test out okay and still have problems. Troubleshoot a car battery without any tools. Turn off the ignition and any accessories like lights or the radio in the vehicle. Testing a battery with a multimeter is a simple process.
