Four 10″ x 4 1/4″ solar panels woven into the umbrella’s 9′ diameter canopy convert sunlight into electricity which is accessed via two USB ports in its pole. A rechargeable 3.7-volt/1000mA backup battery provides power in overcast conditions, ensuring smartphones and tablets have an uninterrupted supply of power. The umbrella’s canopy withstands wind gusts and blocks 98% of the sun’s harmful UV rays for a UPF rating of 50+, the highest attainable. The lightweight yet sturdy 8′ L aluminum pole and spreaders have a powder-coated finish for weather resistance. The umbrella opens and closes easily via a smooth-operating hand crank.
More info at http://www.hammacher.com/Product/83416?PID=3640241