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<page xmlns="http://projectmallard.org/1.0/"
type="topic"
id="power-batterywindows">
<info>
<link type="guide" xref="power#battery"/>
<desc>Tweaks from the manufacturer and differing battery life estimates may be the cause of this problem.</desc>
<revision pkgversion="3.0" version="0.1" date="2011-03-19" status="review"/>
<credit type="author">
<name>GNOME Documentation Project</name>
<email>gnome-doc-list@gnome.org</email>
</credit>
<credit type="author">
<name>Phil Bull</name>
<email>philbull@gmail.com</email>
</credit>
<include href="legal.xml" xmlns="http://www.w3.org/2001/XInclude"/>
</info>
<title>Why do I have less battery life than I did on Windows/Mac OS?</title>
<p>Some computers appear to have a shorter battery life when running on Linux than they do when running Windows or Mac OS. One reason for this is that computer vendors install special software for Windows/Mac OS that optimizes various hardware/software settings for a given model of computer. These tweaks are often highly specific, and may not be documented, so including them in Linux is difficult.</p>
<p>Unfortunately, there's not an easy way of applying these tweaks yourself without knowing exactly what they are. You may find that using some <link xref="power-batterylife">simple power-saving methods</link> helps, though. If your computer has a <link xref="power-batteryslow">variable-speed processor</link>, you might find that changing its settings is also useful.</p>
<p>Another possible reason for the discrepancy is that the method of estimating battery life is different on Windows/Mac OS than on Linux. The actual battery life could be exactly the same, but the different methods give different estimates. See <link xref="power-batteryestimate"/> for more information.</p>
</page>
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