Description: High Power Output and Adjustable Settings: This spot welder operates on a 220V 50Hz power supply, delivering an impressive output power of 6700W. It features adjustable welding current (0-100) and duration (0-1s), allowing accurate control for various welding tasksStrong and Efficient Design: Equipped with a low voltage, high current transform capable of outputting up to 1600A, this Battery Spot Welder ensures stable performance with temperature protection. The aluminum casing provides good heat dissipation, while the matte black adds a touch of eleganceVersatile Applications: Ideal for assembling and repairing battery packs such as power banks, electric vehicle batteries, power supplies, electric tool batteries, model batteries, and laptop batteries (excluding aluminum-copper batteries)User Friendly Features: The welder includes an upgraded circuit board design that supports digital display integration for future upgrades. Its adjustable time settings solve common issues found in other welders where time knobs are difficult to control or have rangeMaterial: With visible internal copper wiring and a reinforced aluminum alloy structure supporting up to 75kg, this Spot Welder is sturdy. It also includes temperature protection to prevent overheating during extended useaddressing common shortcomings in other models lacking cooling fans or thermal safeguards Specification: 26cmx24cmx20cm/10.24inchx9.45inchx7.87inch Size Chart: Note:- Batteries are not included- Please remove the protective white film from the product before use Package Includes: 1 SetSpot Welders Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.