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

Small and portable: Small AA battery tester (BT-168D), compact and lightweight, easy to carry.

Test different types of batteries: The battery tester is suitable for standard household batteries and rechargeable batteries. AA, AAA, C, D, 1.5V, 9V, button cell tester.

Works without battery: Easy to read, numbers indicate the power level. No battery is required. It is activated by the battery under test.

Easy to read: The design of a portable device is easy to read: the battery voltage is displayed on the LCD screen.

Battery saving: You can easily test the battery voltage to determine whether the battery capacity is low or high, which prevents us from wasting a perfect battery by throwing away a good one.