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Vaio Duo 13 Battery Drain on Wifi

iacton
Explorer

Vaio Duo 13 Battery Drain on Wifi

I have a Vaio Duo 13 (SVD1322C5E) for about 3 weeks with windows 8.1 preinstalled. I am having problems with battery drain in sleep mode and exessive battery usasge with Wifi on. For example, when I put the Duo 13 into ariplane mode before sleeping I get 1% loss in 6 hours. When in sleep mode and Wifi on I can lose between 2-4% an hour. This is not good when it is supposed to lose only 5% in 16hours with connected standby.

 

Again, I get significantly more battery drain when working with the Wifi on. For example, in ariplane mode I would get 11 to 12 hours (using photoshop and Artrage). With same type of activity with Wifi on I  only get 6-7 hours.

 

What might be causing this?

 

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