Dell Companion Powerbank Lithium Ion 18000 mAh, 2 x 4 pin USB Type A(power only)for Dell Ultrabooks, Notebooks and tablets, 7.8 cm x 16.2 cmx 2.15 cm, Weight: 417g, Cables Included 2x charging cable - external ,black, Compatibility: Inspiron 13 (7347), Inspiron 14 7000 Series(7437), Inspiron 17 7000 Series (7548), Inspiron 5558, Inspiron 5758,Inspiron 7348, Latitude (3450), Latitude (3550), Latitude 12 (7204) ,Latitude 12 Rugged Extreme 7214, Latitude 14 (7404), Latitude E5570,Latitude E5550, Latitude E7250, Vostro 14 (5459), Vostro 3558, XPS 13