I apologize in advanced for working off a completed project, the painting wasn't good, I wasn't using a good spray paint for it.

Step 1: Items Required

1. Altoids Tin
2. Drill with bit
3. Car Phone Charger
4. 9 Volt Battery Clip
5. 9 Volt battery
6. Hot Glue Gun
7. Spray Paint (optional)

Step 2: Drill the Hole

Drill the Hole for the USB connector...

Step 3: Strip the Car Charger

Strip the car charger, revealing the circuit.

Step 4: Glue the Board Into the Tin

Glue the board into the tin, it should fit snug into your hole for the USB.

Step 5: Solider or Hot Glue

Solder or hot glue the positive lead to the spring, and negative to the outer rings.

Step 6: Hook It Up and Your Completed

Your done, now charge your phone and check out my other Altoids instructables!!!
Warning: If the 9 volt battery goes too low, a iPhone will give you an indicator saying that charging is not supported with this device