When you short out a charged capacitor , it completely discharges in an instant.
If it's big enough , it welds. Just never messed with it to see how big for spot welding batteries..
I had a couple of Wahl Isotip battery powered solder irons back in the 80s the battery had spot welded tabs to solder the wires to I had one broken off . I ended up getting a new one , didn't have the time out on the road. I also remember something about a charged automotive ignition coil...
If it's big enough , it welds. Just never messed with it to see how big for spot welding batteries..
I had a couple of Wahl Isotip battery powered solder irons back in the 80s the battery had spot welded tabs to solder the wires to I had one broken off . I ended up getting a new one , didn't have the time out on the road. I also remember something about a charged automotive ignition coil...
stay tuned
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