How to Make USB Mobile Charger Using 9V Battery

How can we make very portable and very easy charger for our mobile phone. In this project you don't need to have much knowledge in electronics, it is a very easy project and anyone can do it.

It's a very simple project to do. I made it using only 9v battery,voltage regulator and female USB connector and the design is extremely portable. Though you cannot full charge your mobile but it's a fun project to try out.Check it out in the video for full instruction.