ZHITING#ad - Green led, lights when charging is completed. Lithium battery voltage: 3. 3-4. 2v. Red led, lights when charging. D1 mini single Lithium Battery Charging Board. Boost power supply: 5Vmax: 1A.
Wemos#ad - More information can be found on our support forum. We buy these direct from Wemos so if purchasing from Hobby Components you're guaranteed an official product.
The shield is also compatible with the standard Arduino SD card library. The shield is supplied with 3 sets of headers requires soldering which allow for multiple compatible shields to be stacked on top of each other.
Link is provided on the product packaging. The shield provides a means of allowing a WeMos D1 mini to directly communicate with most types of microSD card. This shield is designed for use with the wemos d1 mini and mini pro development boards see item hcwemo0002.