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#1 2009-07-20 01:51:50

Dethredic
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Registered: 2009-01-24
Posts: 361
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Power Usages are different when boot up on battery

So, I just got a shiny new laptop and I have been trying to extend my battery usage. I read lots of wiki pages and some forum posts and applied a bunch of things.

If I charge my comp to 100%, take out the power cord then restart I get 17.5W (powertop).
Now, lets say I charge my computer, restart, then take out the power cord I get to 14.2W (powertop).

Any reason or explanation for that?

Last edited by Dethredic (2009-07-24 01:48:19)

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#2 2009-07-22 20:31:55

Dethredic
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Registered: 2009-01-24
Posts: 361
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Re: Power Usages are different when boot up on battery

anyone?

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#3 2009-07-25 07:21:17

djszapi
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From: Cambridge, United Kingdom
Registered: 2009-06-14
Posts: 1,439
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Re: Power Usages are different when boot up on battery

Is the environment exactly the same ? Did you try with other application too ?

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#4 2009-07-25 14:10:51

uwinkelvos
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Registered: 2009-06-07
Posts: 129

Re: Power Usages are different when boot up on battery

do you use laptopmode-tools?

Last edited by uwinkelvos (2009-07-25 14:11:54)

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#5 2009-07-25 15:22:51

djszapi
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From: Cambridge, United Kingdom
Registered: 2009-06-14
Posts: 1,439
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Re: Power Usages are different when boot up on battery

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#6 2009-07-25 22:31:30

Dethredic
Member
Registered: 2009-01-24
Posts: 361
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Re: Power Usages are different when boot up on battery

Yes the enviroment is the same (afaik)
I do use laptop-mode-tools.

What other programs could I use?

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