Built-in li-ion battery Connectors for iphone, nokia mobile phone, etc Folding design Long standby time Specifications: Panel power 2w Battery capacity 3000mah Output 5.5v*1100ma/9v*1300ma/12v*800ma Settable by user Input 5v/1000ma Color black or white Housing material rubber Product size 120 * 85 * 20 mm Packging color box. Product size 120 * 85 * 20 mm Packging color box N.W 16kg g.W 17kg.