IOGEAR JuiceMeter, Portable Battery Tester for AA, AAA, C, D, N, 1.5 Volt and 9 Volt Batteries

With the Iogear Battery Tester (GBT001W6) you can easily determine whether the battery you are using is charged or not. Simply connect your AA, AAA, C, D, N, 9 volt or even a 1.5 volt battery to the negative and positive poles of the battery tester and the easy to read gauge will automatically let you know if that battery has juice or is empty.