DFRobot Ambient Energy Harvesting Kit

The Ambient Energy Harvesting Kit from DFRobot includes a solar panel, 2 super capacitors, and the controller board based on the DFM8001 module. This kit can be used to charge various battery types from low power energy sources, like the included solar panel, and use this energy to continuously power other devices such as sensors.

See the following page for more information: Wiki