Digital Battery Tester, Universal Battery Tester, Battery Tester, for AA, AAA, C, D, PP3, 9V, 1.5V, Button Batteries - Works Without Batteries

Small and Portable: Simple and efficient small AA AAA battery tester (BT-168D), compact and lightweight, easy to carry.Test Various Battery Types: The battery tester is suitable for standard household and rechargeable batteries. AA, AAA, C, D, 1.5V, 9V, button battery tester.Battery-Free Operation: Easy-to-read numbers indicate the power level. No batteries are required. It is activated by the battery being tested.Easy to read: The portable device design makes it easy to read: The battery voltage value is displayed on the LCD screen.Battery saving: You can easily test the battery voltage to see if the battery capacity is low or high, preventing you from wasting a perfectly good battery by discarding it.