[Multi Purpose Use]: The LED digital battery tester can be used to test different type of household batteries like CR2032 LR44 L736 6F22 9V AAA AA D C 18650 16340 14500 10440 and other batteries [Function]: Test the capacity of your battery in seconds, the tool can tell you if your battery is good, low, or needs to be replaced [LCD Display]: Easy to read digits show power level, identify battery status simply by the digital display screen, rapid and accurate [Easy to Use]: This battery checker does not require additional batteries to work, and by being activated by the battery level being tested, it can shorten the testing time and avoid unnecessary battery consumption [Practical Tool]: You can simply test battery voltage to determine whether the capacity of the battery is low or high, which keep us from wasting perfectly good batteries by throwing out good ones See more product details [Multi Purpose Use]: The LED digital battery tester can be used to test different type of household batteries like CR2032 LR44 L736 6F22 9V AAA AA D C 18650 16340 14500 10440 and other batteries [Function]: Test the capacity of your battery in seconds, the tool can tell you if your battery is good, low, or needs to be replaced [LCD Display]: Easy to read digits show power level, identify battery status simply by the digital display screen, rapid and accurate [Easy to Use]: This battery checker does not require additional batteries to work, and by being activated by the battery level being tested, it can shorten the testing time and avoid unnecessary battery consumption [Practical Tool]: You can simply test battery voltage to determine whether the capacity of the battery is low or high, which keep us from wasting perfectly good batteries by throwing out good ones