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<page xmlns="http://projectmallard.org/1.0/" type="topic" style="question" id="power-batterywindows"> <info> <link type="guide" xref="power#faq"/> <link type="seealso" xref="power-batteryestimate"/> <link type="seealso" xref="power-batterylife"/> <link type="seealso" xref="power-batteryslow"/> <revision pkgversion="3.4.0" date="2012-02-19" status="review"/> <revision pkgversion="3.18" date="2015-09-28" status="final"/> <revision pkgversion="3.20" date="2016-06-15" status="final"/> <desc>Tweaks from the manufacturer and differing battery life estimates may be the cause of this problem.</desc> <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> <credit type="editor"> <name>Michael Hill</name> <email>mdhillca@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 is 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">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.</p> </page>