Universal Digital LCD AA/AAA/C/D/9V/1.5V Button Cell Battery Volt Tester BT‑168D Features: and To test all different kinds of batteries (AA, AAA, C, D, 9V, mini cell) Check the power level of all 1.5V, 9V, and 1.5V miniature cells Can quickly test the capacity of your battery Easy-to-read, digit indicates power level Test multiple sizes of batteries in one unit. (1.5V: AAA, HP16, MN2400, R03, AA, HP7, MN1500, UM3, C, HP11, MN1400, SP11, LR14, UM2, D, HP2, MN1300, SP2, R20, UM1; 9V: PP3, MN1604, 6F22, 006P) Specification: Model: BT-168D Battery Size: 1.5V | 9V Good: 1.5V ~ 1.28V| 9V ~ 7.8V Low Power: 1.3V ~ 1.15V| 7.8V ~ 6.3V Replace: Below 1.15V| Below 6.3V Size: 110*60*26mm/4.3*2.4*1in Weight: Approx.46g/1.6oz Package list: 1pc x Battery Tester Note: For 1.5V and 9V batteries, read off LCD. For 1.5V miniature cells, read off LCD. IF LCD does not display, check that battery is touching both contacts before assuming that it is completely dead. This Battery Tester is activated by the battery being checked. Keep test times as short as possible, to avoid unnecessary battery drain.