Battery Tester, Universal Digital LCD Battery Tester Checker, Household Battery Life Level Testers Power Meter for AA AAA C D 9V 1.5V Button Cell Batteries, 1.2~4.8V and 9V Battery Tester Monitor

[SAVE BATTERIES ] — You can simply test battery voltage to determine whether the capacity of the battery is low or high. Battery tester monitor won’t directly detect the battery capacity precisely, but can measure whether the battery is fully charged. This will keep us from wasting perfectly good batteries by throwing out good ones. [DIGITAL UNIVERSAL BATTERY TESTER WITH LCD SCREEN] — Battery checker tester with LCD digital display the battery’s strength. Universal battery teste is easy-to-use analyzer, , which can directly display the battery status, digit indicates power level, you can know about your battery’s health. [REQUIRE NO BATTERY TO OPERATE] — Battery tester for small batteries activated by the battery being checked, no battery needed for operation. A must buy for anyone who uses regular or rechargeable batteries on a regular basis. This portable battery tester is small and light, easy to carry, and can test the battery anytime and anywhere. [TIPS] — Please confirm the positive and negative poles of the battery before using battery checker testing, otherwise putting the battery in reverse will cause it to be unable to be inserted or the value of the test will be wrong.