suspended laptop's power consumption

Marcin Jessa lists at yazzy.org
Sun Jun 19 17:12:34 GMT 2005


On Fri, 17 Jun 2005 10:18:22 +0200
Marcin Jessa <lists at yazzy.org> wrote:

> On Fri, 17 Jun 2005 09:52:57 +0200
> Michal Mertl <mime at traveller.cz> wrote:
> 
> > My notebook (IBM ThinkPad R51) suspends to S3 well. It drains the
> > batteries probably almost as fast as when running. I'd expect it's
> > mostly hardware (and at most also ACPI DSDT) issue but windows last much
> > longer when suspended.
> > 
> My R50e lasts pretty long. I can leave it over night with just a few % of battery power left. I never really measured how long.
> What I meassured is the laptop will work in about 4.5 hours when left alone with powerd setting CPU freq to the lowest one and with turned off screen backlight.
> 

I suspended and let my thinkpad R50e alone for 1.5 day starting with battery charched to 99% 
It showed 88% when I resumed it.



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