Features: 100% brand new quality Type: Battery Tester Material: ABS Test micro battery Check the charge of all 1.5V and 9V batteries Easy to read with digital display Universal Button Battery Checker Tester AA AAA C D 9V Place the battery between two points of the tester. The easy-to-read display will immediately tell you if the battery is full or if you can extend battery life by a few minutes. The battery tester can be used for the following: Lithium battery: 3.7V 18650, 16340, 14500, 10440, 21700 1.5V: AAA, MN2400, R03 AA, HP7, MN1500, UM3 C, HP11, MN1400, SP11, LR14, UM2 D, HP2, MN1300, SP2, R20, UM1 9V: PP3, MN1604, 6F22, 006 Package includes: 1 * Digital Lithium Battery Tester