This is a battery plug shield for WeMos D1 Mini which works with 3.3-4.2V Lithium batteries through a PH-2 (2.0) connector. It also has a USB plug to enable charging.
Pin headers are included but not visible in the product images.
- Connector type: PH-2 (2.0mm)
- 1A resettable fuse
- Charging Voltage: max: 10V, recommend: 5V
- Charging Current: max: 1A
- Lithium Battery voltage: 3.3-4.2V
- Boost Power Supply: 5V(max: 1A)