BT‑168pro Battery Testers, Digital Tester for AAA AA C D 9V 1.5V, Household Checker Small Batteries Button Cell

Portable battery tester, small @@@rYw0cDXpNsQDFnpAjjXYSB3iZMeNqF+R@@@ button cell, compact size and lightweight, easy to carry. Test the capacity of your battery in seconds, the tool can tell you if your battery is good, low, or needs to be replaced. Perfect compatibility, test different battery types, like CR2032 LR44 L736 6F22 9V AAA AA D C 18650 16340 14500 10440 and other batteries. Easy to read, digit indicates power level, rapid and accurate, save your time. 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.