Universal BT-168 Battery Tester AA/AAA/C/D/9V/1.5V Button Cell Voltage Tester

Features:

Universal for testing all different kinds of batteries (AA, AAA, C, D, 9V, 1.5V, button cell battery)
Compact size and lightweight, easy to carry.
Easy to read, the analog display needle moves on a color-coded, calibrated scale to quickly identify “good”(green), “low”(yellow), and “replace/recharge”(red) battery status.
No batteries required. It is activated by the battery being checked.
Great small tool can tell you if your battery is good, low or needs to be replaced. A must buy for anyone who uses regular or rechargeable batteries on a regular basis.