The Solaris USB is a 3 watt folding solar panel by Brunton. It is a portable solar charging device for your cell phone or other PDA. The compact panels fold into a folder sized case. This case has a built-in USB port for simple linking to any USB cable. This portable solar panel folds to fit in any bag or glove box measuring 5" x 9" and weighing only 5 ounces.
The Solaris USB portable solar panel is constructed using CIGS panels - Copper Indium Gallium diSelenideTefzel® fluoropolymer material. These cells are the most efficient thin film solar technology available. The high efficiency means these cells will convert the sun's energy into electricity even in low light conditions. It makes this solar charger ideal for use at home, in the car or hanging out in the park. Soak up the sun, it's greenhouse gas negative and cash positive!