Sunkko 737g power and pen modification (220v)

Joined
Aug 13, 2021
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My plan is to combine these tutorials:

1. Performance boost modification

https://m.youtube.com/watch?v=YpuEL2_Wvz8&t=423s

2. Welding pen modification

https://www.youtube.com/watch?v=pSOmJVss76s&t=264s

Parts I would need:

- Shrink tube 6mm
- 25 square mm wiring
- Welding tips

In other words, not the most expensive upgrade if I succeed.

I'm building a 13s6p battery for my 500w escooter using salvaged 18650 cells from two original broken batteries (13s10p).
My main problem is that currently the welder lacks a welding pen attachment and won't fit anything wider than two rows.

Question: Has anyone attempted something similar, or do you have advice in general?


I spent yesterday evening scouting the internet but nobody seems to have done this exact mod to a 220v model.

Thankful for replies!
 
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