How To Test A 9v Battery. Set the voltage selector to the 15V setting 15 volts and touch the red probe to the end with the nub and the black probe to the - end of 15-volt batteries. -attempt at own risk-I meant to say infinite resistance instead of no resistance bear the end of the videoThis video demonstrates that a typical multimet.
Read the battery test scale. -attempt at own risk-I meant to say infinite resistance instead of no resistance bear the end of the videoThis video demonstrates that a typical multimet. If the battery seems reasonably clean stic.
Hold the black probe to the negative end of the battery and the red probe to the positive end to test the battery.
Test the Strength of a 9V Battery With Your Tongue. Red is bad and green is good. For example if the battery is a 9-volt battery such as what is shown above it should read near 9V. Remove the 9-volt battery from the detector.
