Home-made spot welder (very powerful)

Hello guys… and a few girls… :) I finally have a spot welder; a powerful one.
Today I will show you in great detail how I made this nice spot welder. It works great, I really like it. The spot welder kit I’m using is very good.

A big THANK YOU to all my patrons, especially to: Max Rice, Jacek, techge, Anthony Ortenzi, John.

If you are a nice lad and want to donate to me on Paypal, here you go: melcumlk@gmail.com
If you try to build devices similar to mine and need help, I will answer your questions on Patreon.

My Patreon campaign:   / sorindiy  
My Facebook page:   / sorindiy  
My Instagram:   / sorin.diy  

My friend Cristian just started his Youtube channel - Cristian DIY. If you enjoy building stuff or you just like to watch DIY videos, take a look at his channel:    • DIY: Bluetooth Speaker 🔈  

Schematic: https://imgur.com/a/1rNuYln

Parts list:
V8 Spot welding kit: https://s.click.aliexpress.com/e/_DdZ...
3S 60C 3500mAh XT60 Battery: https://s.click.aliexpress.com/e/_Ad71tt
3S BMS with balance: https://s.click.aliexpress.com/e/_9gEfjB
12.6V 2A charger: https://s.click.aliexpress.com/e/_Dk7...
4 pin JST connector: https://s.click.aliexpress.com/e/_olw...
3S battery indicator: https://s.click.aliexpress.com/e/_c45...
2S-8S low voltage alarm: https://s.click.aliexpress.com/e/_DkM...
XT60 connectors: https://s.click.aliexpress.com/e/_olj...
5.5*2.1mm plug: https://s.click.aliexpress.com/e/_omT...

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