Battery type: LR03 / AAA / Micro, LR6 / AA / Mignon, LR20 / D / Mono, button cell, LR14 / C / Baby, 6LP3146 / 9V E-block / 9V, accessory type: testing device
- Testing device for the charge status of batteries
- Operation without batteries
- Continuously adjustable battery holder
- Display via 3-color scale