Easy to use: Just unfold, angles toward the sun, and connecting, it ’ s that simple to start powering your devices ( Note: this folding solar panel can ' t store the electricity Our solar panel make of the cells with Polysilicon can effectively convert solar energy into green electricity needed and the conversion rate is up to 19.8 Make for mobile camps and off grids adventures, the 8W foldable solar panel is perfect for longer trips when you need more power without sacrificing portability With a small size of 18x12cm / 7.09x4.72inch ( when folded) and a light weight design that can be easily squeezed into your backpack, offering portability and simple It can charging directly cell phones,, usb, flashlights, tablets, watches, headphones and other mediums small usb electronic devices in the sunlight, Manufacturer: Obotsnoi