Spot Welding Pen, Mini Welding Machine, DIY Portable Spot Welder, Suitable for 18650 Battery Welder

General description High-quality Spot Welding Pen designed for DIY enthusiasts and suitable for 18650 battery welding. This portable mini welding machine features a user-friendly design and is made from durable materials to ensure longevity and efficiency. Technical specifications Main material: Copper Wire type: Soft silicone wire composed of multiple strands of conductive wires Features: Ultra-low wire resistance, good flexibility, aging resistance Temperature resistance: High temperature, oxidation, and fire resistance Conductivity: Strong conductivity Usage Ideal for welding 18650 batteries Easy to use with moderate force control Other information The handle features double springs for expansion and contraction, allowing for independent expansion of each soldering pen.