Genuine OEM Original Dell 65W Replacement AC adapter for Dell Inspiron 5551, Inspiron 5555, Inspiron 5558, Inspiron 5755, Inspiron 5758, Inspiron 7348, Inspiron 7558. AC input : 100 ~ 240V 50 ~ 60 Hz DC output : 19.5V ~ 3.34A Connecter size: 4.5MM X 3.0MM