double usb solar charger for iphone and psp?
ok well i want to make a solar usb charger with a double usb plug that will charge a psp and a iphone at the same time. i want to also use flexible solar panels so i can attach it to a laptop bag. the two run on 5v each. iam new at volts and usb altogether i know the pinout of the usb so what i need to know is how would i wire this and what is the right voltage i would need for this to work and also how would i get that voltage. if you could make a intractable for this that would be awesome and if this post makes little or no sense plz pm me and ill try to word it better thank you all