Samsung AD-9019SL 19V 4.74A 90W Slim AC Power Adapter Charger with USB Port For Samsung Series 7 Notebook: NP700Z5A, NP700Z5A-S0BUS, NP700Z7C, NP700Z7C-S01US, NP700Z7C-S03US, 100% Compatible with Samsung P/N: AD-9019, AD-9019M, AD-9019SL, AA-PA1N90W, AA-PA1N90W/US, AA-PA3NS90/US