If there's one clear edge laptops have over desktop computers, it's their built-in power source. With the rechargeable battery, you no longer have to stay glued near an outlet all the time, or worry ...

Dell serves up long battery life and a touchscreen with its latest Precision 3800 laptop, which the company calls the “world’s thinnest-and-lightest” mobile workstation. The Precision M3800 has a 15.6 ...