How To Test 9v Battery With Multimeter. We will explain the process with a 9-volt battery for this guide. Packaging 6 15V cells together was a matter of convenience.
But I dont have a multimeter. Keep in mind that you might not get 9 volts. Red is bad and green is good.
4 - The display should read a value that is just short of 9V.
Higher-end multimeters have 2 load settings 15V and 9V. Turn the vehicles key to the run position and check the multimeter. If you get close to 9 volts it means the battery is in great shape. The multimeter battery test function allows you to measure a batterys potential.
