A multi-purpose universal battery tester designed to quickly check the power level and condition of most common household batteries. Simply insert the battery (AA, AAA, C, D, N, 9V, or button cell), and the tester instantly shows the remaining charge. The device does not require an internal battery and operates using the power of the battery being tested.
✨ Key Features
Wide Battery Compatibility
Tests AA, AAA, C, D, N, 9V (6F22) batteries and 1.5V button cells, making it suitable for most household needs.
No Internal Battery Needed
Powered directly by the battery under test — no extra batteries required.
Instant & Easy Reading
Clear display shows battery status as Good, Weak, or Replace for quick decision-making.
Compact & Lightweight Design
Small size makes it easy to store, carry, or keep in a drawer or toolbox.
Simple to Use
Just place the battery in the tester and get an immediate result — no setup or technical skills needed.