Used works good charges laptops phones and usb devices used solar power or you can charge by electric. The item "Solar powered backup battery" is in sale since Saturday, April 16, 2016. This item is in the category "Cell Phones & Accessories\Cell Phone Accessories\Chargers & Cradles". The seller is "gratz_dolor" and is located in Coraopolis, Pennsylvania. This item can be shipped to United States, to Canada, to Mexico.