Portable battery tester, small cell button cell, compact size and lightweight, easy to carry.
Test your battery capacity in seconds, the tool can tell you if your battery is good, low, or needs to be replaced.
Perfect compatibility, try different kinds of batteries, such as CR2032 LR44 L736 6F22 9V AAA AA D C 18650 16340 14500 10440 and other batteries.
Easy to read, the digit indicates the power level, fast and accurate, save time.
You can simply test the battery voltage to determine if the battery capacity is low or high, which prevents us from wasting good batteries by disposing of good ones.