The SUNKKO 788H-USB Spot Welding Machine is a versatile and compact device designed for battery pack assembly, nickel strip welding, and DIY lithium battery projects. Equipped with USB connectivity, it allows easy control and monitoring of welding parameters. The machine ensures strong, precise, and consistent welds on lithium-ion cells such as 18650, 21700, and 32700, making it ideal for both professional workshops and hobbyists.