5000A Double Side Automatic Spot Welding Machine For Battery Pack Application Area With the corresponding fixture, the spot welding machine can weld 18650, 26650, 32650 and other cylindrical batteries, can also be customized for a variety of cylindrical battery, square battery, button battery and etc. Advantages 1) Induce load voltage, control voltage by feedback, and realize high quality welding. 2) Preheat, Main Heat's power mode, preheating before welding, to ensure stable