TFA Dostmann BatteryCheck 98.1126.01 Battery Tester for Batteries (AAA, AA, C, D), Button Cell, Block Battery, Display of Charging Status/Volt, Easy and Fast, Black. Battery check: suitable for almost all battery types, batteries and batteries (type aaa, aa, c, d) and button cells with 1.2 V/1.5 V/3.0 V and 9 V block batteries.
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