Eathtek Replacement DC AC Power Adapter Jack USB Port Charging Board For Lenovo G580 series, Compatible part number 553SG03.001 553SH03.001 Compatible Model Numbers: Lenovo G580 Compatible Part Numbers: 553SG03.001 553SH03.001 Replacement and high quality,Replace your faulty, cracked or broken usb board Each usb board is tested before shipping All pictures are taken from the real item, please check carefully before bidding.