Test your AA, AAA, C, D, N-Size, 9 Volt, and button cell batteries

This battery tester measures your batteries and indicates the correct condition of the battery. It tests many batteries, such as AA, AAA, C, D, and 9 volt batteries, and features an easy to read display. This tester is capable of testing both rechargeable and non-rechargeable batteries. It's compact size allows you to store it nearly anywhere: Your tool box, the glove box in your vehicle, or even your pocket.