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jrockway
on Feb 7, 2012
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New Linux kernel fixes power-saving issues
Nice. My X220 already has seemingly-infinite battery life, so this should be even better.
mapleoin
on Feb 7, 2012
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I have an X220, too, but it only has ~3 hrs battery life. Where did you buy yours?
jrockway
on Feb 7, 2012
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I have two, one for work and one I bought myself from Lenovo. They both get about 8 hours battery life with the 9-cell battery.
bo1024
on Feb 7, 2012
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Mine too, but it runs very hot and gets significantly less battery on Linux than Windows. (How you know something's wrong.)
I tried a fix or two as suggested, but they didn't help; I hope the kernel upgrade does it!
jrockway
on Feb 7, 2012
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I don't know how mine compares to Windows, but it doesn't run particularly hot. I don't use anything fancy on my Linux boxes; xmonad and some terminals on my home machine, xmonad and GNOME on my work machine. Very low-CPU :)
replax
on Feb 8, 2012
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Same for me, I have an x220 using the 6cell and get around 3h on Windows and about the same on ArchLinux... Broken battery?
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