From Disposable Vapes to 100w Power Bank – Safe or Insane?

🔋💥 In this video, I take 20 recycled lithium batteries from disposable vapes and build a DIY 5S4P battery pack capable of powering a 100W USB-C power bank module!

We’ll test a lot: from cell selection and soldering tips (without a spot welder!) to power output, heat management, and even modifying the output power using R20 resistor hacks.

This is a real-world experiment full of mistakes, learnings, and 🔧 maker spirit. If you've ever wondered what to do with those vape cells instead of tossing them, this one’s for you.

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1° PCB https://www.pcbway.com/project/sharep...
2° PCB https://www.pcbway.com/project/sharep...

Materials
100w Power Bank Module https://s.click.aliexpress.com/e/_oo2...
Lithium Battery Charger Module https://s.click.aliexpress.com/e/_oFy...
JST Connectors https://s.click.aliexpress.com/e/_oBY...
100w usb cable https://s.click.aliexpress.com/e/_oEW...
150W 20A Constant Load https://s.click.aliexpress.com/e/_oDc...
PD Trigger Module https://s.click.aliexpress.com/e/_ol5...
18650 SMT Battery Holder https://s.click.aliexpress.com/e/_olH...

Tools
My usb Tester https://s.click.aliexpress.com/e/_omM...
Usb tester (better than mine!) https://s.click.aliexpress.com/e/_ooT...
Emiliano's thermal camera https://s.click.aliexpress.com/e/_o2F...
Type-C Mini Hot Plate https://s.click.aliexpress.com/e/_oE2...
Multimeter https://s.click.aliexpress.com/e/_DEW...
T12 soldering iron https://s.click.aliexpress.com/e/_Dm9...

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📏 https://www.thingiverse.com/dariocose...
🎁 PcbWay $5 New User Free Credit https://pcbway.com/g/J9wGV4

Thanks to PCBWay for supporting this build ❤️

0:00 Intro
0:41 100w Power Bank Module
1:11 These batteries are a mystery!
2:08 Let's prepare the batteries
3:29 THE battery pack!
4:22 Solder Solder Solder
7:27 Talking to my imaginary friend
8:26 Modding Output Power (R20)
9:39 60w test
13:25 100w test
15:30 Another idea...
17:48 Conclusions