Compaq Presario Ac Adapter F557wm C558us F560us F565ca F572us F577cl F579wm F700 F712nr F722ca F730us F732nr F739wm F750ca F750us Power Cord Power Supply 65 65 Watt 5 year warranty Over current, voltage protection 18.5V,65w ,3.5A low price,quality replacement to oem equipment compatible to orginal manufacturer equipment