TFA Dostmann Battery Tester BatteryCheck FE-TFA

Suitable for batteries and rechargeable batteries (type AAA, AA, C, D) and button cells with 1.2 V / 1.5 V / 3 V and 9 V block batteries; Quick check of batteries and rechargeable batteries; Small, compact, and robust; Indication of remaining battery voltage in volts and charge status with color scaling; Does not require its own battery, always ready for use