this usb charger will allow you to power your phone pic is proof .
first instructable comments and suggestions will help this is just a prototype a second will be made
Step 1: What You Will Need to Build the Usb Charger.
- box (to hold the tech in)
- A usb charger
- battery (9 volts or lithium ion batteries too)
- Solar panel (or other power source)
- Lithium ion batteries
cut holes in the box to fit the usb charger use a knife to do this so it is strait make sure the cut is smooth the usb you are going to be fitting in this slot can be bought ,or made on this website.
put in the switch and battery hot glue them to the case carefully.
attach battery to switch with the wires attach only the positive part of the battery to one side of the switch to see if it works
attach the usb charger to the box somehow, I used hot glue you can use tape how to make the usb charge is at
my other instructable
attach wires to the usb charger you can use a led to it to if you want to
Step 7: Optional
to attach the solar panel by putting a diode on the negative output then put rechargeable batteries too leds can be put in as well.