This tester can not be used to test lithium batteries.
Test your AA, AAA, C, D, N-Size, 9 Volt, and button cell batteries
This battery tester measures your batteries under load 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.