How to Make a 18650 Lithium-ion Battery Charger

by Electro Retro in Circuits > Electronics

13120 Views, 16 Favorites, 0 Comments

How to Make a 18650 Lithium-ion Battery Charger

20180819_121247.png

In this instructables I will show you how to make a 18650 battery charger

More Details in This Video

How to make a 18650 lithium-ion battery charger

Take a Paper Clip

Screenshot_2018-08-19-20-00-03.png
Screenshot_2018-08-19-20-00-16.png
Screenshot_2018-08-19-20-00-32.png
Screenshot_2018-08-19-20-04-48.png

Take a paper clip and take a part of the clip and bend like shows in the image

Soldering Paper Clip

Screenshot_2018-08-19-20-05-17.png
Screenshot_2018-08-19-20-06-13.png
Screenshot_2018-08-19-20-06-20.png
Screenshot_2018-08-19-20-06-38.png

Take a pcb and take a 18650 battery as a measurement and mark it.solder paper clip well.

Screenshot_2018-08-19-20-06-57.png
Screenshot_2018-08-19-20-07-29.png
Screenshot_2018-08-19-20-07-38.png
Screenshot_2018-08-19-20-07-56.png
Screenshot_2018-08-19-20-08-15.png

Take a thin steel wire and place it on sides of battery. Then make another one like that.

Mark + and -

Screenshot_2018-08-19-20-08-54.png

Tp4056 Module

Screenshot_2018-08-19-20-08-23.png
Screenshot_2018-08-19-20-09-32.png
Screenshot_2018-08-19-20-09-52.png

Tp4056 module is the main part of our project.glue module to pcb by using hot glue or double side tape. Connect b+ to positive of battery and b- to negative of battery.

Screenshot_2018-08-19-20-10-20.png

Now it's ready to charge battery. Simply place battery inbetween the paper clips and connect any 5v power source here Iam using my diy power to charge the batteries.