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Does someone knows an application for Windows that debugs battery consumption? Im looking for some software that could estimate the remainder batteries energy under some specific conditions. I would like to know which processes are consuming more energy (based on processor and i/o uses). Actually, any tool that could give some information would be nice.

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I don't know of any application, but you could create the conditions you want and run this code on the command prompt:

powercfg -energy -output %USERPROFILE%\Desktop\PowerCFG_Analysis.html

It will monitor your system for 60 seconds and then generate an easy to read .html file on your desktop with reported findings.

Save the report, change the conditions and retest.

Source.

I just tried this out and was fairly impressed. It not only tells you about various processes but also the hardware usage.

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I used powercfg and be able to know which process are consuming more battery. Thanks –  Diogo Aug 4 '11 at 14:46

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