The Lind DE1925-3679 is a DC/DC Power Adapter designed to power the Dell XPS 13 Ultrabook.The DE1925-3679 adapter incorporates the highest degree of circuit protection for your Ultrabook and the adapter itself. Field replaceable input/output cables with snap-in connections make servicing easy and efficient.An airline in-seat power cable is included with the DE1925-3679 adapter to power your Dell XPS 13 Ultrabook on commercial airline flights (check with your commercial airline provider to see if in-seat power ports are available on your flight). Plug the airline in-seat power cable into the input jack of the adapter and the opposite end connector into the airline in-seat power port. Plug the output cable into the output jack of the adapter and the opposite end connector into the XPS 13 Ultrabook to provide power to your laptop on your flight. Compatibility: Dell Products:Inspiron Mini 10 NetbookXPS 13 Ultrabook Notebook