This universal battery tester is your essential tool for home, office, and travel.
Quickly and accurately test the remaining power of a wide range of batteries—including AAA, AA, C, D, 9V and rechargeable batteries (1.2V-4.8V)—so you always know which ones to keep and which to recycle.

Why You'll Love This Tester:

Ultimate Compatibility: Works with dozens of battery types: AAA, AA, C, D, 9V, 18650 and more.
Perfect for remote controls, toys, flashlights, clocks, and various electronic devices.
Portable & Convenient: Its compact size (4.3 x 2.36 x 0.98 inches) and lightweight design make it easy to store in a kitchen drawer, toolbox, desk, or even your pocket. Test batteries anytime, anywhere.
No Extra Batteries Needed: The tester is self-powered, drawing minimal energy directly from the battery being tested. No need for separate batteries, making it always ready to use.
Simple Operation: Just insert the battery, and the clear indicator shows the remaining power level instantly. It's that easy!

Package Includes:
1 x Universal battery tester