you can also find something like that at siliconsolar.com.
http://www.siliconsolar.com/PDA-Sola...p-1-c-281.html
I bought things from them and they are really nice (product, people and customer service). I'm planning on some major solar power thing to help reduce my carbon footprint. Just can't sit and talk about it over nice cup of latte or chai latte.
In patagonia, high up in altitude, these rechargers should work a bit better than at sea level. But yes if its not pointed correctly, it can reduce the power level by 50%
smilingcat



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