Genuine AC Adapter Charger Power Cord 17R 5720 , 7720 , N7010 , N7110 INPUT: 100-240V 50-60Hz (for worldwide use) OUTPUT: 19.5V 4.62A 90W Connecter size: 7.4mm5.0mm,with central pin inside Power LED indicator Outlet: 3-prong OR 2-prong