Sunkko spot welder FIX/UPGRADE

Today we go over a Battery spot welder; Sunkko 788H to do some 'upgrading' to get the machine to actually spot weld 18650 s. After some resistance elimination, i came to a result that welded nicely and solidly leaving nothing superficial. This Amazon welder works much better now. This DIY repair/upgrade should work on most of the Sunkko spot welders, Although there may be some differences internally but they should all contain everything needed to commit this fix.

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Amazon Links:
Anderson SB120 Connector (200amp) - https://amzn.to/3mocJO8
Sunkko 788H Battery Spot Welder - https://amzn.to/30PaWdp
Bestel 3x5 18650 holder - https://amzn.to/3yRRyZF
18650 Wrappers (Variety of colors) - https://amzn.to/3mqKA93