How to make a simple pencil soldering iron at home with 9 volt battery | Practical invention

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How to make a simple pencil welder at home with 3 9 volt batteries wired in series so as to increase the voltage from 9 volts to 27 volts. Learn how to make a simple pencil soldering iron at home.
The Things I have Used :
1. Pencil
2. Shaving Blade
3. Some Wire
4. Power Supply: 3 Duracell 9 Volt
5. Simple Tools
Thanks For Watching hope you enjoyed today’s practical invention.

[@hallucinati]

Whoa

[@craigholloway1866]

NOT a soldering iron more like a weak spot welder with NOT one but three batteries working at 27 volts -------clickbait

[@inventiveinsight1]

Hi, you can't build a professional welder with a pencil, the concept of the video is that by connecting 3 bacteria in series and using a simple pencil a fusion occurs.
Thanks for the comment!