Universal Battery Status Monitor: The battery monitor can quickly detect the capacity of lithium and lead-acid batteries in various instruments, and the switch can be changed to read the capacity or voltage of the battery. There is an alarm design, when the battery capacity is low, the battery meter display will flash.Clear Display: The battery gauge indicator has a large LCD display designed for a clearer display. Its screen material can effectively prevent the penetration of dust and water and prolong the life of the battery voltage meter. Three kinds of lights are available for you to choose, so you can easily see the numbers even at night. The display uses 2 types of display, battery symbol plus percentage or battery symbol plus voltage, for a more intuitive display.Easy Installation: Our power monitor, very easy to install, without the use of any tools, you just need to open a mounting hole, the power meter pressed into it. Power meter comes with a snap, no installation screws.Function: Manually toggle power percentage, voltage, off. 2-second automatic cycle display of power and voltage (settable). 10-second delayed automatic shutdown (settable). Turn off backlight function (settable). Double discharge curve function (settable).Usage Location: The battery voltage meter can be applied to many types of batteries, such as 12V 24V 36V 48V lead-acid batteries, lithium batteries, lithium iron phosphate batteries. It can be applied to different machines and fields, such as garden, home, office, etc. And it is widely used in vehicles such as golf car, caravan, boat, motorcycle, car, bicycle, electric car, scooter, truck, etc.