Uxcell 1PCS 72V Voltmeter Red LED Digital Display Panel Voltage Meter 2Wire 0.56 Inch Battery Meter Monitor

What is this?
This battery indicator is widely used in various instruments, mobile and convenient equipment, mobile power equipment, electric bicycles, balance cars, boats, etc. It can monitor power or voltage at any time to meet your different needs.

Are there any advantages of the product?
Can display battery symbol + "%" or battery symbol + "V", the two display modes can be switched at will.
By being aware of the battery's voltage level, users can avoid deep discharging, which can reduce the overall lifespan of the battery.

How to use it?
1. Connect the positive and negative terminals of the display board to the positive and negative terminals of the battery under test, press the red button with your finger, and the LED light will light up to display the real-time battery power.
2. Release your finger, the LED light will go out after a delay of 3-5 seconds, and it consumes no power at all when static.
3. With reverse connection function, it will not broke even if the positive and negative connections are reversed, just adjust it.

What should I notice?
Commonly used for lead-acid batteries and lithium batteries, can be adjusted through the buttons on the back.