Features: This welding tool features a small plastic body, making it easy to transport for various welding tasks, ideal for enthusiasts and experienced users working with 18650 batteries and nickel materials. With up to 8.4V output and 13608W capability, it efficiently joins different materials including uncoated nickel (0.2mm), plated nickel (0.4mm), steel (0.3mm), iron sheet for strong attachments. Includes a clear screen and adjustment knob for monitoring current welding data. Unique stage action forms sturdy attachments up to 0.4mm thick, enhancing stability and efficiency for battery assembly or equipment repair applications. Perfect for cylindrical/cell battery attachments, power equipment maintenance, and nickel substance processing, offering adaptable preferences for electronics and metalwork projects. Specifications: Component: plastic, Size: Approx.100.3x135.3x45mm/3.94x5.33x1.77inch Input:Type c 5V 2.1A(Most) Output: 8.4V (Most) Gear adjustment: 100gears; Option Type:5000mAh model,10000mAh model; 5000mAh model: output Power:1350A, 11340W, welding thickness: clear nickel:0.15mm, nickel plating:0.3mm, steel :0.25mm, iron sheet :0.25mm 10000mAh model: output Power:1620A, 13608W, welding thickness: copper:0.1mm, clear nickel:0.2mm, nickel plating:0.4mm, steel sheet:0.3mm, iron sheet:0.3mm Package Includes: 1pc miniature Welding Machine 1pc Welding Pen 1pc Foot Pedal 1pc 2meter Nickel Coil 1pc Type c Charging Cable 1pc Sandpaper note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.