LCD Battery Tester 9V AA AAA Button Cell Universal Household Digital Display Battery Monitor Ultra-small Detector Tools
Accurately Test: C,AA,AAA,D,N,9V 6F22 batteries and 1.5V/3V button cell. Built of durable plastic and stainless steel and powered by a single 1.55V battery. Usage: Fix a battery in the appropriate position and the tester will begin. The two measuring points of 9V battery are on the bottom of the unit. The battery's reading value will be shown on the LCD. Important: Remove battery when not using for long periods. Dispose of battery in accordance with local ordinances for disposable hazardous materials.