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April 24, 2009 5:00 AM PDT

Wind and solar charger 'tribrid' for power blackouts

by Erik Palm
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Kinesis Industries' K3 is a compact "tribrid" wind and solar power generator about the size of a flashlight. The company calls it a tribrid since the built-in rechargeable battery also can be precharged with normal grid electricity using an AC plug. It also charges from any computer via USB, or from a car cigarette lighter with available USB adapter.

According to Kinesis, the fully charged K3 can power a mobile phone more than five times on a single charge--and an iPod/MP3 player more than 10 times.

(Credit: Kinesis Industries)

At a weight of 10.5 ounces (a little over half a pound), I personally think it's a tad heavy for a serious hiking trip or mountaineering. It is marketed as more of a disaster relief device, securing power when there's an emergency with no available power supply, and you still need to make a call, for instance. Still, it is weatherproof, so you could bring it along for a kayaking or a boat trip for instance, when the weight doesn't count so much.

The built-in battery has a capacity of 4,000 mAh and can be charged from wind and sun simultaneously.

The recharging times provided by the manufacturer are impressive. The built-in battery can after one hour of sun and wind provide about 30 minutes of talk time, or more than 300 minutes of MP3s.

The included AC adapter is for precharging before you go--if you don't trust the wind to blow, or worse, the sun not to shine.

When it's officially released in June, the charger will come at a price, however--$99.95. That's compared with the cheaper and presumably simpler solar charger, which goes for around $30.

Erik Palm, a business reporter for Swedish national television, is joining CNET News as a spring 2009 fellow with Stanford University's Innovation Journalism program. When he's not working, he enjoys kayaking and exploring California's hiking trails. E-mail Erik.
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by tek-ed April 24, 2009 9:53 AM PDT
a hundred bucks for something so obviously poorly designed?
I mean come on...look at that thing...OK. to get the wind generator to work. you have to stand it on end...So, where is the solar panel pointing? Up at the sky? No, at the horizon! (to get the windo to blow the generator, you need to place it vertically, unless you live in Chicago, then the wind does indeed blow up!)
This is a pointless piece of junk...the only thing I'm glad about is it's not called the iCharge!
ed
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by jharris1311 August 1, 2009 12:54 PM PDT
the k3 is fabulous i happen to own one and it charges my phone in less than an hour the solar charger is great and if u put it outside fo a day its fully charged no matter what dierection its pointing to
by DarkHawke April 26, 2009 7:10 PM PDT
...or you could get one of many hand-crank generators that come with on-board flashlights, radios (including weather bands and short-wave in some cases) and multiple jacks that can be used to power your cell phone. That way you wouldn't have to pray that you only lose power when the sun's out and/or the wind's blowing AND you have an HOUR to kill! Sheesh!
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by jharris1311 August 1, 2009 12:56 PM PDT
there is always going to be sun or wind
by jharris1311 August 1, 2009 12:50 PM PDT
egreensystem.com is selling the k3 only 99.99
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