How to Make a Test/Charger 18650 Batteries for Yourself

 18650 battery is a very common type of battery, you can find it anywhere, in any device such as: drone controller, in drill, in electric fan...

But the price of a charger of this type of battery is not cheap, so today I will share with everyone how to make a Test/Charger 18650 batteries by yourself with a specially designed and 3D printed cases.

*** List Parts ***

- TP4056 battery charger

https://www.banggood.com/custlink/KKvYeyGWr2

- 18650 battery holder

https://www.banggood.com/custlink/3GGyBhDJWu

- Mini Voltmeter

https://www.banggood.com/custlink/vvGd0y3CFR

- DC Power Jack

https://www.banggood.com/custlink/GK3EgYGJVF

- DC Switch

https://www.banggood.com/custlink/KGvRBymWVI

- 3D box

STL files: https://ouo.io/Iug7s8

Step 1: Design and 3D Printing the Box

I'm using Fusion 360 to design and printing with 3D Ender 3 machine

Step 2: Assemble

Connect everything together and soldering circuit

Step 3: Test and Finish

Connect power and test it.

Thanks for watching!