9V: (PP3, MN1604, 6F22, 006P). 1x Universal LCD Display Battery Tester. 1.5V: (AAA, HP16, MN2400, R03 AA, HP7, MN1500, UM3 C, HP11, MN1400, SP11, LR14, UM2 D, HP2, MN1300, SP2, R20,UM1). Two buttons on the side specially designed for testing 9 volt batteries.