WUJUN Analogue Battery Tester Multi Size Checker for AA AAA C D 9V 1.5V Button Cell Batteries (Requires No Operation) (1)

Multi Purpose Use - can be used to test different type of household batteries like AA, AAA, C, D, 1.5V,9V and button type Require on Battery - activated by the battery being checked, no battery needed for operation Simple but Effective - compact size and lightweight, portable effective battery tester, a must buy for anyone who uses regular or rechargeable batteries on a regular basis Easy to Use - identify battery status simply by the analog display needle, "good" (green), "low" (yellow), and "replace/recharge" (red) NOTE - 1. You can simply test battery voltage to determine whether the capacity of the battery is low or high. It won't directly detect the battery capacity precisely 2. Don't forget: The Battery Tester is activated by the battery being checked. Keep test times as short as possible to avoid unnecessary battery drain.