Review: Battery Spot Welders, Why You Should Buy A Proper Spot Welder | Hackaday
Principle analysis of some common battery spot welders
U.S. Solid USS-BSW08 Battery Spot Welder 42KW Capacitor Energy Storage Pulse Welding Machine for 18650, LiFePO4 Lithium Battery Pack and Copper Metal Welding - U.S. Solid
Fully Automatic Battery Pack Spot Welder With Mobile Power Source — BatteryTalks
Spot Welder, Seesii Farad Capacitor Battery Spot Welder 3000F 120 Gears Adjustable Capacitor Energy Storage Portable Spot Welder, Support 0.1-0.3mm Nickel Strip Spot Welding for Battery Pack Making - Amazon.com