... with 18.5V 3.5A 65W ,yellow pin 4.8*1.7mm Factory price Replacement power adapter for HP Compaq Presario F500 F700 C700 ... C500 with 18.5V 3.5A 65W ,yellow pin 4.8*1 ... Pictures : Replacement power adapter for HP Compaq Presario F500 F700 C700 C500 with 18.5V 3.5A 65W ,yellow pin 4.8*1.7mm ...