... dell 19.5V4.62A 90W 7.4*5.0 10years experience. low defective rate. large in stock car charger 90w Aptop power adapter ... prongDimension : 7.4X5.0mm Compatible Part Number:PA-10, NADP-90KB, PA-1900-02D, PA-1900-02D2, U7809, C2894, 9T215,310 ... 2862, 7W104, 310-399, 09T215, 5U092,PA-1900-04Fit Laptop Model:For Dell Latitude: X300, D400, D420, D410, D500 ... quality Original new 19v 4.62a PA-10 Laptop adapter