Use high-quality materials that are durable and long-lasting This spot welding machine control board uses 5 MOS tubes in parallel, with high current durability and no tube explosion. It has dual pulse output and can set pre welding time, pulse time, delay time, and interval time The LCD screen displays intuitively and the parameter setting operation is simple High power spot welding, easy to continuously spot weld 0.3mm nickel plated sheet multiple times Wide range of applications The K7-3 model spot welding machine is designed for efficient and reliable performance. It features a built-in Farad capacitor and offers a maximum output current of 1300A. The charging options include a TYPE-C port and direct capacitor charging. With automatic balance function and multiple welding modes, it is suitable for welding cylindrical lithium batteries such as 18650 and mobile phone batteries. The machine can handle materials with thicknesses ranging from 0.1mm to 0.3mm nickel plated sheets and 0.15mm pure nickel sheets. Color: As Shown Material: Metal+Plastic Package Contents: 1* Handheld Spot Welding Machine Kit