The universal battery tester 1900-0037 from HyCell is a compact testing device for all batteries and accumulators. With the universal battery tester, you can check the charge status of standard batteries and rechargeable accumulators. It can test over 12 different battery types, such as AAA, AA, C, D, 9V, Lady N (LR1), CR123A, CR2, CR-V3, 2CR5, CR-P2, as well as button cells and more. After inserting the battery into the appropriate slot, the capacity status of the battery or accumulator is displayed on the practical LCD screen. The display differentiates between weak, normal, and good in an 18-segment bar indicator. A Micro AAA battery for operating the testing device is already included in the package.