Compatible Hp Pavilion Ac Adapter Dv7-1270us Dv7-1273cl Dv7-1279wm Dv7-1448ca Dv7-2043cl Dv7-2044ca Dv7-2157ca Dv7-2170us Dv7-2173cl Dv7-2177cl Dv7-2273ca Dv7-2273cl Dv7-2277cl Dv7-3060ca Power Cord Power Supply 90 Watt 90w 5 year warranty, with warranty card Over current, voltage protection 18.5v,90w low price,quality replacement to oem equipment compatible to orginal manufacturer equipment