Battery Tester for AA AAA C D 9V etc 12 Types & Household Batteries Checker Voltage & Battery % LCD Display, Power Battery Self-Test, 2X AAA Batteries Included

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 etc.; 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 digital battery tester 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: Need be hold for 3 seconds to run a self-test (or "Err" will show). Checks the household battery tester's own battery level for timely replacement if needed.
NOTICE: Please use 1.5V AAA alkaline batteries to power this product