$ASTI With 12 Watts of solar power and a 2.0 Amp smart USB output, the durable and compact Ascent XDTM 12 USB Solar Charger can charge smartphones, tablets, and USB-enabled devices as fast as a wall outlet. The smart USB determines the maximum power the device is able to receive, and ensures the best possible charging performance directly from the sun. Built with Ascent Solar’s Extreme CIGS solar technology, the rugged, weather-resistant construction withstands shocks, drops, and minor punctures to power through the harshest conditions. Whether you’re backpacking, camping, or simply spending time in the great outdoors, its compact design conveniently fits in your bag or backpack, allowing you to carry unlimited solar power everywhere.

https://www.ascentsolar.com/xd12-solar-charger.html