Introduction: 9 Volt USB Charger

This is a portable usb charger made for a car charger and an Altoids tin .

Step 1: Parts

You will need an Altoids tin, USB car charger, 9 volt battery and clip ,and a small toggle switch

Step 2: Soldering

Solder the negative wire of the battery clip to the negative terminal of the car charger. Solder the positive wire to one side of the toggle switch then solder a wire to the other switch terminal and the other end of the wire to the positive terminal of the car charger

Step 3: Drilling

Drill a hole for the switch and the usb

Step 4: Assembling

Put the parts in the Altoids tin