Battery Tester, Universal Battery Voltage Tester for AA/AAA/C/D-1.5V, PP3-9V and Button Cell Batteries, BT-168D Digital LCD Battery Tester, Works Without Batteries

Small and practical: Simple yet effective home battery tester (BT-168D), compact and lightweight, easy to carry. Small battery tester: The universal battery tester works with standard household and rechargeable batteries: AA, AAA, C, D, 1.5V, 9V and button type. Requires no batteries to operate: No batteries are needed. The battery tester is activated by the battery being tested. Easy-to-read numbers indicate the power level. Perfect for home use: A great little battery tester can tell you if your battery is good, weak, or needs replacing. Package contents: 1 battery tester