DJW 19.5v 4.62a 90W AC Adapter Charger For Dell Latitude 3330 3440 3540 E5250 E5450 E5430 E5530 E5550 E6330 E6510 E6530 E7440 E7240 E6440 E6430 E5440 E5540 3340 E6230 Output: 19.5V ~ 4.62A ~ 90W Input: 100-240V ~ 2.5A, 50 - 60Hz Connector Tip:7.4mm*5.0mm(Refer to the picture,Round Connector,not Octagon);3 Plugs Fit laptop models:Dell Latitude 3330 3440 3540 E5250 E5450 E5430 E5530 E5550 E6330 E6510 E6530 E7440 E7240 E6440 E6430 E5440 E5540 3340 E6230 CE/ROHS Certified for Security,100% Compatibility With the OEM 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!