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

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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

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

Soldering Paper Clip

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

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

Mark + and -

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Tp4056 Module

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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.

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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.