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I got a new Thinkpad X201 last week with the 6 cell battery, which is advertised to work for 5 hours. I installed Ubuntu Maverick on this machine right away. My battery life is only around 2 hours. Is this because the Thinkpad's battery power management only works well under Windows? Or can I change some configuration to make my battery last longer under Ubuntu?

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up vote 3 down vote accepted

You could try installing powertop, it is a console application.

sudo apt-get install powertop
sudo powertop

It will monitor your machine for a few seconds, then tell you what is likely causing the power drain. You can then use it to try and make your machine more efficient.

Hope this helps.

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