First test, spot-welding 18650 cells

I bought a cheap battery spot welder from banggood. First test, seams to work fine. Going to build a big battery for my Underwater Timelapse Adventures..

[@flymario8046]

Nice! I was going to comment that we getting new submarine photos soon but you answered that already! Cool spot welder. Makes me want to get one now.

[@CunningLinguist01]

I'm "shocked " at how well that works

[@adentse]

Ah, you bought one. I looked at them just a few days ago. Seems like it basically just shorts through the mosfets for a short short time. The istructions said you where not allowed to use supercaps or a 60Ah or greater leadacid battery... I guess the battery does the current limiting :)