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How WiFi affects notebook power consumption

Posted on Monday, April 02 2007 @ 08:20:30 CEST by

NotebookReview wrote a report on how the use of WiFi affects your battery life. Here's a snip from their conclusion:
  • Simply turning on the wireless card doesn't drain much power, it might shorten battery life by 2%, so if you want to remain connected to download email it's no big deal.
  • If you turn on wireless and are constantly trying to acquire a connection, such as if you're constantly dropping a connection and then trying to reconnect, your battery life could be 6% - 7% shorter than usual due to the wireless card having to work extra hard.
  • If you have wireless card on and are transferring lots of data, such as downloading large files or constantly browsing the web, battery life could be about 6% shorter than simply no wireless on. Consider downloading large files later when you're plugged in.
  • If you don't need to use the web, turn wireless off, it'll save you at least a few short (but maybe precious) minutes of battery life!
  • You can read it over here.



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