There are many benefits of making your own lithium battery packs, if you want to keep your phone working on long bike tours and need a lightweight and inexpensive battery to put on your touring bike
But unfortunately, the lithium battery cost a lot of money coupled with the charger and a power supply, this would cost a fortune
You can get a good battery at Batteryspace and get an 8 amp battery for about $100
Note that this project takes a lot of soldering and you do not need to have a lot of skills, what you just need is a couple of wires and soldering the PCB is very easy
GET YOUR COPY TODAY