I’m talking highest current possible (I’m looking for 500 mA and up total) and voltage between 4.5 and 9 volts at a small size. Basically the best possible. I am willing to pay whatever price. I can either connect small ones together or use one big panel, either way can’t be much bigger than about 200 mm x 150 mm. What I’m seeing just doesn’t cut it. http://www.futurlec.com/ is the only site with decent ones but it ships from overseas and I need these ASAP.
More Pages:
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And there is the problem with solar cells. You want to much from to little space.
That’s 6″ x 8″, or 1/3 square foot. 10-12 watts per square foot is easily achievable with standard silicon cells, so you should be able to string together something that will satisfy the low end of your power range. Have you tried Electronic Goldmine?
If cost is really no object, you can inquire at SpectraLabs about multilayer cells. I believe they’re running about $ 250-300 a watt, but don’t know if you could make arrangements to buy the small quantity you want. You may have to buy a box of 100.