Battery Tester Digital Battery Tester Checker for 9V 1.5V and AA AAA CellDo not need battery to power the deviceEasy-to-read， digit indicates power level.Checks power level of 9V and 1.5V batteriesCan quickly test the capacity of your battery.Test multiple sizes of batteries in one unit.Package Includes:1 ¡Á Digital Battery Tester (Battery is not Included)