SUN STREAMING
R550, sunstreamenergy.com The charge comes directly from the sun with the SunStream Plus Kit, so there’s no waiting around for the unit to charge itself before it can charge your phone. The solar panel is built to international standards, withstands direct hot sun and wet weather, and it’s drop-proof. Included is the Plus Kit, a 3 400mAh PowerStream backup battery, which stores energy and has a small flashlight – handy for charging in the dark.