Digital Battery Tester 0~100v Voltmeter Universal Lithium Lead-acid Meter as picture show

Description

Before use, set the full and cut-off voltage according to the specifications of the battery under test. The default is before leaving the factory. Single 18650 battery specifications (full power 4.2V, cut-off 2.75V). Long press the button (2 seconds) to enter the full voltage setting interface, display such as: H4.20V The digital digit flashes cyclically (automatically moves without any key action for 2 seconds) Measuring range: DC0-100V