Hello friends,
In this post, I will show you how to charge your cell phone with 9v battery. This is very useful when you are in emergency-like situation. It is small & handy, you can even carry it in your pocket.
So, let's build it.
Things you will need :
( Click on it to buy from Amazon )
- A 9v battery
- A 9v battery cap
- AMS1117 IC
- Soldering Iron
- Solder Wire
