Universal battery tester for AA, AAA, C, D, 9V and 1.5V (button) batteries, small household electrical measuring and control device (works without battery).

About this item

Multifunctional: Tests various types of household batteries, such as AA, AAA, C, D, 1.5V, 9V, and 1.5V button cell batteries.

Battery-free: Powered by the battery being tested, it requires no external batteries to operate.

Simple and efficient: Compact and lightweight, this portable and efficient battery tester is essential for anyone who regularly uses standard or rechargeable batteries.

Easy to use: Indicates the battery's condition with its analog indicator: "good" (green), "low" (yellow), and "replace/recharge" (red).

Note: 1. This tester only checks the battery's voltage to determine if its capacity is low or high. It does not directly and accurately measure its capacity. 2. Caution: The tester is powered by the battery being tested.

Limit the duration of tests to the bare minimum to avoid unnecessary discharge.