[ltp] How bad is this (on a scale)?

Robert Tomsick linux-thinkpad@linux-thinkpad.org
Sat, 28 Nov 2009 12:33:48 +0000


On Sat, 2009-11-28 at 13:07 +0100, Micael wrote:
> Since a few months, I have this nice x200s with a  LED backlit screen and 9 
> cell battery pack, CPU  L9600. Thing is, I think the power is drained quite 
> fast from the battery, much worse than when I dual boot into windows.
> I have disabled the wireless with the hardware button, and tried to find 
> reasons for the poor performance. But maybe I expcted too much from this 
> laptop in terms of battery performance?
> 
> I'd like your opinion on how good/bad the numbers are;
> [snip]

That can't be right.  Your laptop is _not_ draining 126.9W in use, even
at max draw.

Are you sure that's what powertop reported?

As a point of reference, I have the same laptop (except with an SU9300
ULV CPU), and I can get it down to under 6W when idle.

Best,
Rob