I love this idea! Imagine there are lots of WiFi signals in the city you live and they carry some energy that will eventually “evaporate” in the air. The Airnergy Charger is a green charger that is able to convert the energy in WiFi signals into electricity which can then be used to power up your gadgets.
The idea of harvesting electricity from WiFi signals is not new. But Airnergy is able to harvest it with high enough efficiency, allows the extracted electricity for practical use. The Airnergy Charger was shown at CES floor, where a BlackBerry was charged from 30% to full in about 90 minutes, using only the ambient WiFi signals as the power source.
The Airnergy Charger has an internal battery, which can store the electricity extracted from WiFi signals of nearby WiFi sources, while you’re carrying it around. The Airnergy Charger is more convenient than using a solar charger as you can juice it up as long as you’re near a WiFi source. You can just leave it near your WiFi router at night so it’ll start collecting juice to store in its internal battery.
The company, RCA, says the USB Airnergy charger will be available this summer for $40 and a battery with WiFi harvesting technology will be available soon after. Watch the clip below for more info.
via ohgizmo
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