$2 18650 Li-ion Battery Charger: How to Design and 3D Print | TP4056 module

How to design and 3D print a 18650 Battery Charger for under $2 on an Ender 3 using a TP4056 module In this video I show you how I designed and 3D printed my 18650 battery charger and how I soldered all the wires.
The price of one charger for 4 batterys is under $2.
Price of a charger for 4 batterys: around $2 100 contacts $5
4 pair of contacts 4x $0.1 = $0.4
10 TP4056 $2
4 pieces 4 x $0.2 = $0.8
Some filament less then $1

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