SOCHEP BT-168 Universal Battery Tester AA AAA C D 9V Button Checker - Product Features
- Use this innovative item to test all kinds of common use batteries (AA, AAA, C, D, 9V, Button / Coin cell)
- Displays terminal voltage of batteries which can indicate the residual power in the battery accurately
- No Internal / External power source required to work
- Easy-to-read, Needle indicator.