Go to Amazon.com : http://www.amazon.com/gp/product/B003WHF8M8?tag=theatrecat-20
Hiport 150W AC Power Adapter Charger For Alienware Aurora 9700 M9700 17in Laptop Notebook Computers
Input 100-240V 5060Hz worldwide power compatible
Output Volts 2000V
Output Wattage up to 150W maximum
Output Current up to 750A maximum
Connector Barrel Center