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Off topic discussion Solar charge your cell phone for under $40; Most cell phones today are charged via a mini-USB connection, runs at around 0.5 amps at ~5V. This ...

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Old 07-28-08, 05:39 AM   #1 (permalink)
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fyi Solar charge your cell phone for under $40

Most cell phones today are charged via a mini-USB connection, runs at around 0.5 amps at ~5V.
This has several advantages because now charging your phone or an ipod can be quite easily achieved as long as you have a female USB port.
For those of you who are back country enthusiasts or just interested in something that's simple and self-rewarding to make - this is perfect for you.
A flexible rollable extreemly lightweight solar powered trickle charger.

Build a solar iPod charger

Absolutely brilliant.
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Old 07-28-08, 08:04 AM   #2 (permalink)
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Re: Solar charge your cell phone for under $40

"trickle" is the key word here, under intense sun only...


neat science project but worthless real world application.....


Power over RF is the future.
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Old 07-28-08, 08:49 AM   #3 (permalink)
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Re: Solar charge your cell phone for under $40

Or you could buy one from overstock.com for $39.99.
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Old 07-28-08, 11:08 AM   #4 (permalink)
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Re: Solar charge your cell phone for under $40

Video on how to make a cheap one here:

http://www.metacafe.com/fplayer/8000...sy_to_make.swf
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