5000W high power spot welding machine. Place two welding pens on the nickel piece and press the foot switch. After the red light flashes three times quickly, current is output to complete the welding. High-definition digital tube display shows remaining battery power. Uses imported welding pins that are detachable and replaceable, providing clean and firm solder joints. Knob allows fine adjustment of output current—higher values produce higher output. Suitable for spot welding 18650, 26650, 32650, and other batteries. Ideal for mobile phone battery welding to nickel, with welding thickness of 0.1–0.15mm. Soldering pen made of pure copper material and is removable. Power supply: AC100–240V, 50/60Hz. Working temperature: 10°C to 65°C. Charging voltage: 8.4V, 500mA. Screen size: 0.28 inches, digital tube. Battery capacity: 4000mAh, 60C. Output power: 5000W. Welding thickness: 0.1–0.15mm. Plug type: EU plug, suitable for use in Indonesia, Germany, France, Spain, Italy, and other regions. Color: Blue. Material: ABS and circuit board. Voltage: AC100–240V. Package includes: 1 x Spot Welder Main Unit, 2 x Spot Welding Pens, 1 x 2m Nickel Strip, 1 x Sandpaper, 1 x Charger, 1 x Foot Switch, 1 x English Manual. Package content is limited to the items listed; other products are not included. Note: Lighting effects and display differences may cause slight variation in color between the image and the actual item. Measurement may vary by ±1–3cm.