How to extend your Dell Inspiron 6400 Laptop Battery life?

Laptop battery seem to be fond easily these days. We can find them in our laptops. We all want to make our batteries last as long as possible, and how can we extend our laptop batteries.I find some useful advices from articles...(Read full topic on tolmol.com) http://www.tolmol.com/How%20to%20extend%20your%20Dell%20Inspiron%206400%20Laptop%20Battery%20life%253F/blogposts/16041/126281