If you take a few simple measure you can extend the life of your laptop’s battery. Dim the display light, turn off programs you don’t need, and put your computer on standby if you will be away from it for awhile. For Windows 7 or Window Vista users: click the battery meter icon on the bottom of the screen and choose POWER SAVER. For Mac users: open SYSTEM PREFERENCES click ENERGY SAVER and then choose BETTER BATTERY LIFE.