Dell Studio XPS 1640 15.6-Inch Obsidian Black Laptop - As much as 3 Hours 8 Minutes of Battery Life (Windows 7 Home Premium).
UTILIZED OCCASIONALLY ON BUSINESS TRIPS.
Intel Core 2 Duo Processor 2.13 GHz.
4GB DDR2 RAM.
320GB Hard Drive.
15.6-Inch Screen, Mobility Radeon HD.
Authentic Windows 7 Home Premium (64-bit), 3.8 hours Battery Life.