1pc Battery Tester Model BT-168 Battery Checker for AA AAA C D 9V 1.5V Button Cell Batteries, Requires No Battery for Operation

Multi Purpose Use- can be used to test different type of household batteries like AA, AAA, C, D, 1.5V,9V and 1.5V button type Require no Battery- activated by the battery being checked, no battery needed for operation Simple buy 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.