How To Check Car Battery With Multimeter. A fully charged battery should give out at least 126 volts so setting the dial to 20 volts is enough. Run the car and check for the new voltage.
Read the voltage and see whether it is around 125 volts. When connected to a fully charged battery the multimeter will highlight your batterys voltage as being between 125V. A fully charged battery should give out at least 126 volts so setting the dial to 20 volts is enough.
Testing your car battery with a multimeter is the easiest and most effective way to get the job done.
Then connect the positive point red on the multimeter to the positive terminal on the battery. Place the black lead on the negative terminal. A fully charged battery should give out at least 126 volts so setting the dial to 20 volts is enough. The voltage of that specific battery should be known to check its condition and validity.
