GTIWUNG Battery Meter, DC 12V-84V, Battery Capacity, Voltage, Meter, Lead Acid and Lithium-ion, Green, Pack of 2 - ShopVlot

Practical designs: The multifunctional battery indicator has a new design of the front adjustment knob and multiple functions: cycle voltmeter/battery percentage, turning on backlight, black, sleep mode, battery selection, etc. LCD Screen: The battery level display is equipped with a waterproof PVC protective film, and you can clearly read the results on the screen from different angles. Single buckle self-locking: the battery case has a buckle on the watch, so you do not need to install screws.