Use high-quality materials that are 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 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 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 plated sheets and 0.15mm pure sheets. Color: As Shown Material: Metal+Plastic Package Contents: 1* Handheld Spot Welding Machine Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.