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Mac Lion and battery life

the battey life on my new macbook pro 13" has been a mixed result, while I have tested it running at half brightness settings and the keyboard backlight off I was able to run the machine from 100 - 0% for approximately 5 hours, during this time I was actively using the computer using the web browser (chrome since its the best). An interesting thing which I found out was that the running of multiple desktops and the number of widgets running on the dashboard affects battery life.

after adding an extra desktop

that is a change in 36 minutes of battery life, so if you don't have access to a power outlet keep your desktops to a minimum

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