If Your Compaq Presario 800 Notebook Power Cord Not Charging battery; follow suggestions As here Power Cord having 2 pieces, One big block Charger and 3pin power cable plug into power outlet, it is conceivable that the brick adapter is not working or could be not working. When the wire can be broken simply swap with brand new detachable cable easily you may purchase the 3pin or 2 pin 2pin power cable based on Replacement Charger style.Sometimes it's articulated that, Adapter it is. In that state, just need to Buy another for COMPAQ PRESARIO 800. When you Purchase Ac adapter from Nbbatt.com, you can request exchange easily for One full year;r#}; likely,during power supply fluctuations. Power Supply makes with special surge for security which will power off Ac adapter to protect yours.In such state, smoothly remove the ac adapter from Laptop PC and also from Electrical outlet and withdraw the detachable cable from the brick charger, again reconnect then notebook PC will start running as usual.Confirm that you checked out the pin connector of the ac adapter before taking.Picture Representation of the Compaq Presario 800 Series Ac adapter you may see Compaq Presario 800 Charger Input - 110v - 220V/ 50 to 60HzOut - 18.5Volts DC, 3.5ampsPower Rating : 65.00wAmps Current - supports 3.5amp - means 2.4Amp / 2.74amps, 3.5amps Purchasing one on online is simplified at NbBatt.com. Ours is Proficient Staff serving numerous Laptop PC repair shops. Serving consumers from 2001. we are having Qualified group they can improve customers with clients laptop adapter and other. We proffer One year guarantee on products we sell. when your Charger may be imperfect we promptly change with another. Returns is easy with nbbatt.com