Feature:1. Portable battery tester, small batteries button cell, compact size and lightweight, easy to carry.2. Test the capacity of your battery in seconds, the tool can tell you if your battery is good, low, or needs to be replaced.3. Perfect compatibility, test different battery types, like CR2032\ LR44\ L736\ 6F22 9V\ AAA\ AA\ D\ C\ 18650\ 16340\ 14500\ 10440 and other batteries.4. Easy to read, digit indicates power level, rapid and accurate, save your time.5. 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.Specification:Condition: 100% Brand NewItem Type: Digital Battery TesterMaterial: ABSScope of Application: 1.2~4.8V and 9V BatteriesTestable: CR2032\ LR44\ L736\ 6F22 9V\ AAA\ AA\ D\ C\ 18650\ 16340\ 14500\ 10440 and other batteries.Package List:1 x Battery Tester