Sunlinq USB Mini, 5V 400mA Portable Solar Panel Designed to charge devices able to connect and charge via USB (Universal Serial Bus). Proven flexible and durable solar cells utilizing revolutionary CIGS technology provides higher cell efficiency than other flexible solar cell technology at a reduced cost Designed to provide years of reliable service with patented high performance flexible photovoltaic cells Each lightweight panel folds into a compact pouch that fits virtually anywhere including backpacks, glove boxes, purses, cargo pant pockets Easily mounted on backpacks, tents, jackets and curved surfaces