[TriLUG] Laptop battery life comparison: Windows vs. Linux

[Phillip Rhodes]

Ok, Mike Mueller had asked a question on this subject a while
back, and I'd volunteered to benchmark my laptop under both
Linux and Windows and compare the battery life.  Here are my
(very unscientific) results:

The laptop in question is a Toshiba Satellite P25-s507,
running Windows 2000 Server and RedHat 9.  The spec sheet
says the estimated battery life is 2 hours.

Under Linux, I got almost exactly 2.5 hours of life
before the battery died.

Under Windows, I have never let the battery actually die,
but... I've ran the machine for about an hour and 15 minutes,
and the battery life indicator read about 50%.  So, assuming
the battery juice decays on a linear curve, it should be good
for about 2.5 hours under Windows.

So, my very unscientific, semi-empirical experience is that
the battery life is almost identical between Windows and
Linux.

Mike, hope this helps..

TTYL,

Phil

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