The 12 v battery 4 paragraph power indicator

The 12 v battery 4 paragraph power indicator

1.On board high precision voltage detection chip and power supply voltage chip.

2.On board four power indicator LED lights, three kinds of color display, red, yellow, yellow, green, representing 20%, 50%, 80%, 100% of the battery.

3.Set aside a battery testing interface and two positioning hole.

4.PCB size: 22.2 (mm) x17.2 (mm).