How To Check Car Battery Condition With Multimeter. If your multimeter is not autoranging set it to 20V DC. Heres How To Test Your Car Battery With a Load Tester Make sure the battery is as charged as possible.
This multimeter can be used to measure the current voltage power or even the resistance of your battery. For your battery to pass a load test the multimeter must read between 95 to 105 volts straight for 30 seconds when the battery is tested. How to Test a Car Battery.
Let the meter black probe make contact with the battery.
The temperature outside affects the voltage of the battery. If you havent done so already turn your cars engine off. Once you have rested overnight you should take the test. Run the car and check for the new.
