Battery tester, battery capacity detector, AA/AAA battery tester, button cell battery tester to measure battery power

General description

The Battery Tester is a versatile device designed to measure the power of various battery types, including AA, AAA, button cell batteries, and 9V square batteries. Its compact size makes it easy to carry, making it an essential tool for anyone needing to check battery capacity.

Technical specifications Multi-level fixed battery card slot for measuring different battery specifications Compatible with various AA, AAA, button batteries, and 9V square batteries Can measure rechargeable batteries Indicates whether the battery is fully charged