Introduction: Usb Charger

By plus.google.com/1032954460123680

This is how to make a charging unit for a usb charger

Step 1:

What you will need
  • Usb extension cord
  • Battery
  • Electrical tape
  • Switch

Step 2:

cut the usb wire on the end that would normally go into the wall charger strip the wires.

Step 3:

Put the batteries hooked up to the switch then to the wires and you are done