DJW 19.5v 4.62a 90W PA-3E AC Adapter Charger For Dell Latitude E5450 E5540 E5550 E6430 E6440 E7440,Dell Alienware M11x R1 R2 R3,Inspiron 11 14 14z 15R 17R N4010,Dell Vostro 1014 2420 2520 3360 3500 Output: 19.5V ~ 4.62A ~ 90W Input: 100-240V ~ 2.5A, 50 - 60Hz Connector Tip:7.4mm*5.0mm(Round Connector,not Octagon,Refer to the picture);3 Plugs CE/ROHS Certified for Security,100% Compatibility With the OEM Fit laptop models:Dell Latitude E5450 E5540 E5550 E6430 E6440 E7440,Dell Alienware M11x R1 R2 R3,Inspiron 11 14 14z 15R 17R N4010,Dell Vostro 1014 2420 2520 3360 3500 Our Products:We are focusing on providing quality power products from factory direct sales and excellent customer service.After-sales Service and Warranty: 24 x 7 Email Support and 12 Months warranty.Our goal is low price but high quality,100%compatible,excellent service and 100% satisfaction!Buy with confidence!