Key benefits Enhanced welding efficiency with automatic trigging design, specifically engineered for professional spots welding of 18650 batteries. This reduces manual effort and improves consistency across welds. Durable handheld spots welding pen with a sleek black exterior and a durability metal construction, providing long term stability and reliability during use. Versatile for a range of environments, including home workshops, electronics laboratories, and battery assembly and tasks. Ideal for electronics enthusiasts, project makers, and small scale electronic technicians who need precise control and ease of operation. Key attributes Function: automatic trigging design enables consistent spot welds on 18650 cells. Compatibility: optimized for professional spots welding of 18650 batteries. Material: durable metal body with a sleek black exterior. Performance: designed to deliver stable, reliable operation during repeated use. Form factor: handheld and portable for convenient maneuverability in tight workspaces. Use scenarios Home workshop: assembling and repairing 18650 battery packs for DIY projects, tools, or portable power devices. Electronics laboratory: performing precise spot welds during battery cell replacement or pack construction in controlled environments. Smallscale : rapid refurbishment of battery packs and modules for consumer electronics and hobby electronics projects.