Endless Sphere

Sorry for not getting back to you earlier, but your spot welder worked great! I was using 0.1mm nickel, and 5ms was too much with the battery I have (715 cranking amps) - the probes were getting stuck to the nickel. 3ms worked better. I've gotten very consistent spot welds, and not a single bad weld...

Thank you Nobuo, Just FYI, I've bought some enormous PVC battery shrink wrap in the US from these guys in Northern California. They have a nice formula for converting from battery pack circumference to the shrink wrap width, and they sell by the foot, which is nice. I've bought their 12.2" width shr...