DIY USB Solar Phone Charger For Under $20
This is a good starter DIY solar project to make a solar powered phone charger and battery bank for under $20. We take phone chargers for granted, but when we don’t have access to a charging cable or power port, we feel that immediately. Never be without a way top charge your phone or small USB devices again. See the link below the images to the complete Instructables how-to article.
Se complete instructions here: (link opens a new window)
http://www.instructables.com/id/DIY-Portable-USB-Solar-Charger-20-4-Ports/?ALLSTEPS