This power system is an easy-to-use set of three tools. Together they provide wireless charging for any Duracell® PowerMat® enabled device. This includes on-the-go power from a backup battery so you can charge up anytime anywhere. At home or out-and-about you'll never be powerless. Adapter/Charger Type: Portable Mobile Charger; For Device Type: Mobile Devices; Power Source(s): AC Wall Outlet; Connector/Port/Interface: Apple® 30-Pin.