BOXI offers affordable solar energy in a portable, customizable kit that can power small electronics from cellphones and laptops to small refrigerators. The kit has 6 main components. The solar panel for harnessing the solar energy, the lithium battery for energy storage, a controller that monitors the battery, an inverter which converts the solar energy into power outputs you can use to charge devices, Also in the kit are various cables for connecting the different pieces. Lastly, the yellow case houses all the pieces together.