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

General description Practical and easy to use, the Universal Battery Tester allows you to quickly check the current status of various battery types, including AA, AAA, C, D, and 9V. Its portable design makes it convenient for testing batteries at home or on the go. Technical specifications Compatible battery types: AA, AAA, C, D, 9V Voltage measurement: 1.5V and 9V Operation: No additional power supply required Usage Insert the battery in the correct polarity Read the result on the display Test battery life anytime and anywhere