Solar panels?


Question:
a) i'd like to get a solar panel to make this thing i saw in popular science, it was a bag that had a solar panel in the side (you just attach it with grommets into a clear vinyl pocket you make. its for charging elecronics and stuff) and i was wondering what kind i should look at, do they come flexible? can i get them on ebay? what kind of wattage should i look for (btw it also had a little voltage regulator and stuff to make a little usb in your bag) so any info on that!
b) i was thinking about like putting solar panels on my roof, where can i look into that, is that a good choice, has anyone done it, how did it work out? thank you, just curious

Answer:
For part a) you don't need to build one because they are already made. http://store.oynot.com/portable-energy-s... .

Part b) I have solar panels hooked to a backup battery system and it works great. When the power goes off mine don't. Look on the same site as above or http://www.oynot.com for information on how to hooke it up your self. It is a DIY site.
answering b) your home circutry won't be able to handle solar power energy
(or your circut breaker,it will start cuttin out every 5 min)you would have to replace your home circutry(that costs a LOT of money, over $8500)
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