0.2 copper strip + 0.15 nickel strip, will that work? (creator replied)

Mine can't weld it even at max

The standard version is recommended for up to 0.15mm copper, and you need flux

Can it weld the negative of Jiashikai cells? They say it can't (creator replied)

Why won't mine hold when I weld?

Lots of tricks in this video; mine can't even do 0.1 copper.

Does it count as a solid weld if only one spot tears?

My same-model AWithZ won't hold

The stock pen is no good, a home-made pen works; the stock pen's internal resistance is a bit high

Weld just one spot?

How much