Universal Battery Tester, Battery Voltage Checker for AA AAA CD 9V Key Batteries 1.5V

General description Compact and lightweight, the Universal Battery Tester is a simple yet effective tool designed to check the status of various battery types. It is perfect for home use, allowing you to easily determine if your batteries are good, low, or need replacement. Technical specifications Compatible with standard household and rechargeable batteries: AA, AAA, C, D, 1.5V, 9V, and button type Analog display with color-coded calibrated scale Indicates battery status: "good" (green), "low" (yellow), "replace/recharge" (red) Usage No battery is required to operate the tester Activated by the battery being checked