Sunkko S709AD Spot Welder with HB-71B Pen – Precision Power for Lithium Battery Packs
High-performance spot welder with HB-71B pen for seamless 18650 battery pack assembly. Crafted with industrial-grade copper alloy electrodes for superior conductivity and heat resistance. Advanced microcomputer control ensures precise energy output (0.01-99.99J) for consistent, spark-free welds. Dual-mode operation (manual/auto) adapts to thin nickel strips or thick tabs (0.1-0.3mm). Compact 110V/120V design fits workshops and DIY spaces. Ideal for EV battery repairs, solar storage systems, and drone power modules. Includes anti-stick ceramic coating for extended pen lifespan. Worldwide low-price guarantee – bulk orders available for commercial battery manufacturers.