DIY Capacitive Discharge Welder

Nothing Fancy. Just a raw, simple, single shot CD welder to allow me to build a few battery packs. Bottom line: A 1 Farad capacitor will work for pack building but for hotter and more consistent welds, I want MORE POWER!! Check out my upgrades to this build here: https://www.youtube.com/watch?v=OtCiorlYP1U TIME CODES: SCR GATE WIRING: http://www.youtube.com/watch?v=TNclCrfsgJQ&t=1m37s GATE TRIGGER SWITCH : http://www.youtube.com/watch?v=TNclCrfsgJQ&t=3m20s CAPACITOR SELECTION AND POWER CONSIDERATIONS: http://www.youtube.com/watch?v=TNclCrfsgJQ&t=4m25s CHARGING: http://www.youtube.com/watch?v=TNclCrfsgJQ&t=6m26s WELDING @ 15.10 VOLTS: http://www.youtube.com/watch?v=TNclCrfsgJQ&t=9m28s WELDING @ 15.90 VOLTS: http://www.youtube.com/watch?v=TNclCrfsgJQ&t=12m25s BLEED RESISTORS: http://www.youtube.com/watch?v=TNclCrfsgJQ&t=14m25s NUGGET TEST ON WELDED AAA PACK: http://www.youtube.com/watch?v=TNclCrfsgJQ&t=14m53s Components: Nippon Chemi-con 1 Farad 16 Volt capacitor Chinese 100 Amp silicon Controlled rectifier 30"X2 8 gauge wire 6 gauge solid wire for electrodes tactile/momentary switch scavenged from a wifi router Charging: 15 Volt 1100 milli-amp DC converter boost converter Constant current, constant voltage buck converter