Magic Smoke
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$1 Lithium Coin Cell Charger

Got a buck? Make a charger for LiR2032 coin cells. It could hardly be cheaper or easier.

BeginnerFull instructions provided1 hour1,829
$1 Lithium Coin Cell Charger

Things used in this project

Hardware components

TP4056 Lithium battery charger PCB
×1
20mm coin cell holder
×1
33 KΩ resistor, 0805 package
×1
5 pin male header, 0.1" pitch
×1

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Credits

Magic Smoke

Magic Smoke

12 projects • 9 followers
Relax with hacks

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