It Takes Power to Cut the Cord

PS I bought the www.3gjuice.com and the Mophie. 3gjuice has more energy for the bucks, Mophie is more stylish. Love them both.

Can't wait til those guys are done! If you have an iPhone, there is hope now. Check http://arstechnica.com/journals/apple.ars/2008/07/18/several-backup-batteries-can-extend-your-daily-iphone-3g-use?bub .

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Can you carry butane on an airplane? It doesn't help much to have your recharger in checked luggage. Why not replace the battery with a PEM fuel cell that runs at a lower temperature and uses a tiny cylinder of methanol or hydrogen, both of which are FAA approved.

Also available are small (1 1/2 inch by 3 inch) SOLAR CHARGERS. Some of the solar chargers also have a built in rechargeable battery. Cost is around $19.95 including cables.

Also available are small (1 1/2 inch by 3 inch) SOLAR CHARGERS. Some of the solar chargers also have a built in rechargeable battery. Cost is around $19.95 including cables.

a real survivalist idea would be a hand cranked phone charger that fits in a trouser pocket :-)
This, I maintain is BS.
If you are off the grid, where would you get those dainty fuel cells?
As for villages without electricity? Charging their i-phones, I assure you, is not their biggest of worries today, nor ever will be.
Yeah, survivalists, who survive to prove a point, may go gaga over it.

Ho Hum who cares about pocket sized batteries for those idiotic portable devices stupid people can't run around without. What's needed are small batteries for cars, not phones. I never have owned nor ever will own any of those despicable idiot boxes. I have a brain and can amuse myself quite well without any devices to distract me from reality.

I would be very reticent to carry something at 1400 degrees in my pocket, regardless of it???s encapsulation in a vacuum, or ???Dewar??? flask, particularly one that will eventually be built in China by the lowest bidder.
There seems to be 2 problems with this article. First, light bulbs have not been ???vacuum??? sealed for decades, thus reducing the explosiveness of this common object. Second, it is stated that this fuel cell is 6 times as efficient as power delivered on the grid. That would imply that, if, the fuel cell was 100% efficient, that transmitted power can be no more than 16% efficient. This is not the case. With a good HRSG, efficiencies of 65% on generation can be achieved. Factor in an average 7.2% line loss, and this equals about 60% efficiency on the grid. I don???t think this fuel cell can extract 360% the energy stored in the butane.

It's not stupid if you're off the grid or can't get to an outlet. This technology will have enormous benefits for the military, explorers, third world nations, etc... where solar isn't practical. As prices come down and adaptions for different types of fuel besides butane can be made to work reliably, imagine a small village without electricity or survivalist using captured methane and a hand or foot pump to compress it into a canister as a fuel sourcesource.

Its stupid. How is it better than the wall outlet or the USB cable of your PC, other than the so-called green angle, which by the way will also narrow considerably in an impact analysis.
For most non-lemming devices (read non-iphones) its just easier to carry a spare battery around.