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Airnergy Charges Your Gadgets With Wi-Fi Signals
Posted By Ariel Schwartz On January 14, 2010 @ 1:51 pm In Greener Gadgets | 9 Comments
This year’s Consumer Electronics Show  is over, but there are still a number of nifty devices trickling into our inboxes. One of our favorites is the RCA Airnergy , a USB-connected device that converts Wi-Fi antenna signals  into usable power for your gadgets. The device is completely self-sustaining — it automatically charges whenever a Wi-Fi signal is close by and stores the power in a lithium-ion battery.
The Airnergy’s recharging time depends on the quality and number of Wi-Fi signals nearby, but an RCA spokesman at CES said  that it was possible to fully charge a Blackberry at 30% power in just 90 minutes using ambient signals.
RCA’s technology isn’t new, but this is the first time it has been used in a commercial device. The Airnergy is relatively cheap, too, with an expected price of $40 when it goes on sale later this year. We love the idea — while it may not be practical for emergency charging in the woods, the Airnergy could be invaluable in on-the-go situations when your cell phone ‘s power is petering out.
Via Popular Science 
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 Consumer Electronics Show: http://www.inhabitat.com/2010/01/11/top-5-green-gadgets-unveiled-at-ces/
 RCA Airnergy: http://www.popsci.com/technology/article/2010-01/rca-airenergy-pulls-power-thin-air-charging-your-phone-wi-fi
 signals: http://www.inhabitat.com/2009/06/11/nokia-phones-pull-energy-out-of-thin-air/
 said: http://www.physorg.com/news182595455.html
 cell phone: http://www.inhabitat.com/2009/12/17/top-7-best-green-iphone-apps/
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