Goldtech replacement plug for HP Compaq Presario ac adapter laptop notebook computer power battery charger 65w 19v C552US C554US C555NR C556CA C557CL C560US C563NR C568LA C571NR C581WM C700 C700T C700XX C706NR C712NR C713NR C714NR C715NR C717NR C727US C730 C750LA C751LA C751NR C752LA C754CA C756CA C757CA C757LA C758CA 2 year warranty compatible to orginal manufacturer equipment Over current, voltage protection 19V,65w ,3.5A cheap price, low cost replacment acadaptor