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Micro-Solar LED Desk Lamp
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40
comments (40 topical, editorial)
Re: Micro-Solar LED Desk Lamp
(
3.00 / 0
) (
#21
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by hydrosun on Fri Feb 8th, 2008 at 02:20:39 PM MST
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User Info
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I know this isn't exactly what you proposed but why not a solar powered led flashlight. I bought one for my grandson for Christmas from bogo.com for $25. Bogo stands for buy one, give one. I bought one and they donated one to a third world charity. They've designed a rugged led flashlight with a built in solar panel that can light up a room or used closer for reading. It has a spring loaded clip to hang it up. It has 6 leds that were brighter than my brightest homemade 12 led light. So they must be using the latest efficient 5mm leds.
So this is a lot less than the small system you proposed and 1/2 the price is used to get the technology to places where it isn't just a toy to play with solar.
Personally I use my 12 volt led headlamps all the time. I have one battery pack from a video recorder that I've been using for led lights for the last 15 years. I have an old cell phone recharger that I recharge it off of the house 12 volt battery bank. One battery pack is two 6 volt nicad cell phone batteries that I tested and pulled out of the recycling bin 6 years ago. These battery packs seem to last forever at the low milliamps useage of leds.
Chris
Micro-Solar LED Desk Lamp
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40
comments (40 topical, 0 editorial)
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