Handheld spot welding pen with a sleek black finish and a durable metal body delivers longterm stability and reliable performance in use. Key benefits Durable metal construction with a stylish black exterior for dependable operation over time. Handheld ergonomic design enables comfortable handling during extended work. Automatic triggering design enhances welding efficiency for professional level spot welding. Specifically engineered for professional spot welding of 18650 batteries. Suitable for home workshops, electronics laboratories, and battery assembly and environments. What makes it praiseworthy Function: spot welding pen designed for precise, repeatable welds on battery cells. Compatibility: optimized for 18650 battery welding tasks. Size and form: compact handheld design facilitates maneuverability in tight spaces. Material and build: durable metal construction provides stability and longevity. Performance: automatic triggering supports faster, consistent welds with reduced operator fatigue. Use scenarios Home workshop: assemble or 18650 battery packs for portable electronics or tools. Electronics laboratory: connections within 18650 battery packs or test pack configurations. Prototyping and smallscale production: develop batterypowered devices that require reliable spot welds on 18650 cells.