Description:

1, onboard high precision voltage detection chip and power supply voltage chip
2, onboard 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)

Package included:

10 x 3.7V Lithium Battery 4 Paragraph Power Indicator Module