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

Small and portable: Simple and efficient small AA/AAA battery tester (BT-168D), compact and lightweight, easy to carry. Test different types of batteries: The battery tester is suitable for standard household and rechargeable batteries. AA, AAA, C, D, 1.5V, 9V, button cell battery tester. Battery-free operation: Easy-to-read numbers indicate the power level. No batteries are needed. It is activated by the battery being tested. Easy to read: The portable 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 throwing it away.