How to Make a 18650 Lithium-ion Battery Charger
by Electro Retro in Circuits > Electronics
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How to Make a 18650 Lithium-ion Battery Charger
![20180819_121247.png](/proxy/?url=https://content.instructables.com/F1M/PPBH/JKWUVGP0/F1MPPBHJKWUVGP0.png&filename=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](/proxy/?url=https://content.instructables.com/FVD/OF5Y/JKWUVH4K/FVDOF5YJKWUVH4K.jpg&filename=How to make a 18650 lithium-ion battery charger)
Take a Paper Clip
![Screenshot_2018-08-19-20-00-03.png](/proxy/?url=https://content.instructables.com/F6S/0C9O/JKWUVGMU/F6S0C9OJKWUVGMU.png&filename=Screenshot_2018-08-19-20-00-03.png)
![Screenshot_2018-08-19-20-00-16.png](/proxy/?url=https://content.instructables.com/FMB/4XHO/JKWUVGLT/FMB4XHOJKWUVGLT.png&filename=Screenshot_2018-08-19-20-00-16.png)
![Screenshot_2018-08-19-20-00-32.png](/proxy/?url=https://content.instructables.com/F1E/AHQR/JKWUVGKD/F1EAHQRJKWUVGKD.png&filename=Screenshot_2018-08-19-20-00-32.png)
![Screenshot_2018-08-19-20-04-48.png](/proxy/?url=https://content.instructables.com/F00/B3J9/JKWUVGIY/F00B3J9JKWUVGIY.png&filename=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](/proxy/?url=https://content.instructables.com/FON/HK9A/JKWUVGIB/FONHK9AJKWUVGIB.png&filename=Screenshot_2018-08-19-20-05-17.png)
![Screenshot_2018-08-19-20-06-13.png](/proxy/?url=https://content.instructables.com/FYC/2YEE/JKWUVGHQ/FYC2YEEJKWUVGHQ.png&filename=Screenshot_2018-08-19-20-06-13.png)
![Screenshot_2018-08-19-20-06-20.png](/proxy/?url=https://content.instructables.com/FWX/L8SN/JKWUVGHD/FWXL8SNJKWUVGHD.png&filename=Screenshot_2018-08-19-20-06-20.png)
![Screenshot_2018-08-19-20-06-38.png](/proxy/?url=https://content.instructables.com/FKV/E16N/JKWUVGGF/FKVE16NJKWUVGGF.png&filename=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](/proxy/?url=https://content.instructables.com/FRW/VON6/JKWUVGFQ/FRWVON6JKWUVGFQ.png&filename=Screenshot_2018-08-19-20-06-57.png)
![Screenshot_2018-08-19-20-07-29.png](/proxy/?url=https://content.instructables.com/FW8/FCNX/JKWUVGES/FW8FCNXJKWUVGES.png&filename=Screenshot_2018-08-19-20-07-29.png)
![Screenshot_2018-08-19-20-07-38.png](/proxy/?url=https://content.instructables.com/FV1/UXUP/JKWUVGE3/FV1UXUPJKWUVGE3.png&filename=Screenshot_2018-08-19-20-07-38.png)
![Screenshot_2018-08-19-20-07-56.png](/proxy/?url=https://content.instructables.com/F4E/P9BK/JKWUVGCU/F4EP9BKJKWUVGCU.png&filename=Screenshot_2018-08-19-20-07-56.png)
![Screenshot_2018-08-19-20-08-15.png](/proxy/?url=https://content.instructables.com/F14/HD7O/JKWUVGC8/F14HD7OJKWUVGC8.png&filename=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](/proxy/?url=https://content.instructables.com/F4W/2K1E/JKWUVGB6/F4W2K1EJKWUVGB6.png&filename=Screenshot_2018-08-19-20-08-54.png)
Tp4056 Module
![Screenshot_2018-08-19-20-08-23.png](/proxy/?url=https://content.instructables.com/FBP/R343/JKWUVGBZ/FBPR343JKWUVGBZ.png&filename=Screenshot_2018-08-19-20-08-23.png)
![Screenshot_2018-08-19-20-09-32.png](/proxy/?url=https://content.instructables.com/F32/8X15/JKWUVGB5/F328X15JKWUVGB5.png&filename=Screenshot_2018-08-19-20-09-32.png)
![Screenshot_2018-08-19-20-09-52.png](/proxy/?url=https://content.instructables.com/FIN/UI3N/JKWUVGAC/FINUI3NJKWUVGAC.png&filename=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](/proxy/?url=https://content.instructables.com/F62/OA1N/JKWUVG9L/F62OA1NJKWUVG9L.png&filename=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.