3.7V Lithium Battery Charge Level Indicator Module (Multicolor)

Connected the display panel positive and negative terminals to the tested battery positive and negative side, then the digital tube will show the battery level With a shell, easy to use stand-alone or embedded in the panel on the product.
Display Mode: Battery Level Indicator

Usage:Connected the display panel positive and negative terminals to the tested battery positive and negative side, then the digital tube will show the battery level

1. Battery voltage >11.2V, 1 Grid Light
2. Battery voltage >12V, 2 Grids Light
3. Battery voltage >12.5V, 3 Grids Light
4. Battery voltage >13.3V, 4 Grids Light
5. when battery voltage <11.2V ,the 4 grids all off,it means you need to charge the battery right now