Go to Amazon.com : http://www.amazon.com/gp/product/B005FOQTOC?tag=theatrecat-20
Dell Latitude E6520 Dell 90-Watt 3 Prong Slim AC Adapter with 6.56 ft Power Cord.
DELL SLIM PA-3E Family with SERIAL NUMBERS
Input Voltage 100V - 240V Output Voltage DC 195V Output 462A 90 Watt Come with a Power Cable
This is a Genuine Original DellAuthentic Dell PartOEM Dell Adapter