Any way to solder Li-Ion batteries with nickel strips WITHOUT

>>1093307

Make your own capacitive discharge spot welder.

>>1093307
https://youtu.be/jJDGtpPlNjk

>>1093327

kek

Spot welding batteries is done by closely spaced flat electrodes with both on the tab to be welded, not one on the battery terminal and one on the tab.

Though it does make me wonder if I could re-purpose an old audiophile cap. The 1 Farad ones that are used for stabilizing automotive power in competition setups.

>>1093327

I suspect his tips were a little too sharp, also switching pulses with relays is just silly.

>>1093307
https://www.youtube.com/watch?v=HqsXe3IKTCo
Skip to 21:50, apparently you can just use a soldering gun with a very hot tip, as long as you solder quickly and cool the battery immediately after.