Techno Earth&reg; New! Ac Power Adapter for Dell Latitude C640 / C800 / C810 / C840 / Cp Pa-9 90w 20v 4.5a New! Ac Power Adapter for Dell Latitude C640 / C800 / C810 / C840 / CP PA-9 90W 20V 4.5A Input : Ac 100-240V (Worldwide Use) Output : Dc 20V Outlet : 3-Prong