Fangrui Product Details Fangrui Product Details Versatile Testing Capabilities: This Digital Battery Tester Is Designed To Evaluate Various Types Of Batteries Clear Voltage Display: This Battery Capacity Checker Is Equipped With A Precise Voltmeter Interface To Accurately Display The Voltage Value You Will Get A Reliable Reading To Help You Decide Whether To Keep Or The Battery. It Fits Easily Into A Tool Box, Drawer Or Bag. Its Compact Size Makes It Ideal For Both Home And Professional Use, Ensuring You Have A Way To Test Battery Life On The Go. User-friendly Operation: Simply Place Any Battery Between The Devices Contacts And The Easy-to-read Display Will Instantly Show Its Status. This Quick And Straightforward Method Saves Time And Effort, Making It A Convenient Addition To Your Electronic Toolset. Intuitive Indicator System: The Testers Display Uses A Three-color Pointer System - Red For , Yellow For Low, And Green For Good. This Makes It Easy To Quickly Assess Battery Status, Helping You Manage Battery Usage Mo