Will this circuit work to make a solar powered USB charger?
Link to better image of circuit: http://i27.tinypic.com/n4xq4x.jpg
Using this solar panel: http://www.adafruit.com/index.php?main_page=product_info&cPath=44&products_id=262
EDIT: I realized that I need two solar panels in series to get 12V, because 6V won't be enough because the LM7805 takes 2V. Am I right? In that case, wouldn't it make more sense to put the batteries in series with the USB