【WHAT YOU WILL GET】: Dlyfull-B4 Battery Health Tester & Checker, 2 Alkaline 1.5V AAA Batteries, Welcome Guide, 12-Month Warranty, and Lifetime 24-Hour Friendly Customer Service.
【ROBUST COMPATIBILITY】: Universal battery tester is compatible with 12 battery types, including 1.2V Ni-MH/1.45V Zinc Air/1.5V Alkaline/3.0V Lithium Manganese/3.2V LiFePO4/3.7V Li-ion/6.0V, 9.0V, and 12.0V Alkaline packs ect. It supports AAA AA C SC D N sizes, button cells, CR123A, CR-V3, 2CR5, 23A, 27A, and more, offering versatile compatibility for various applications.
【SMART LCD DISPLAY】The battery checker features a sophisticated LCD display screen that showcases the voltage and battery level of the tested battery. The battery level is presented in two formats: as a percentage and battery level bar display, providing clear and precise information about the battery's status.
【PORTABLE & EASY TO USE】: Cylindrical batteries can be tested using the black negative pin, while button and combination batteries only need to be placed in their corresponding slots for testing. The compact battery analyzer weighs less than 0.36 pounds, making it extremely convenient for carrying and storage.
【CHECK BUTTON】: The battery tester includes a self-check button. Press and hold for about 3 seconds to perform a self-check and view the power status of the batteries powering the device, allowing for timely replacement when necessary.
【NOTICE】: Please use 1.5V AAA alkaline batteries to power this product !!!