WeMos D1 mini Single Lithium Battery Charging Board D1 Lithium Battery Boost Shield

Description:

Connect lithium Battery to this shield, power supply for the entire D1 mini system. When the battery run out, you do not need to unplug the battery, just using usb port to charging.

Features:

Charging Voltage: max: 10V, recommend: 5V

Charging Current: max: 1A

Lithium Battery voltage: 3.3-4.2V

Boost Power Supply: 5V(max: 1A)

Pins:

5V: 5V(max: 1A) Power Supply

GND: GND

Ports:

XH2-2.54MM (Port 1): Connect to lithium Battery (normal 3.3-4.2V)

Micro USB (Port 2): Charging port (normal 5V)

Green LED: lights when charging is completed

Red LED: lights when charging

J1: setting max charging current, 0.5A or 1A.