Handheld battery spot welding pen, built-in switch, automatic trigger spot welding machine, suitable for 18650 battery trigger welding Integrated spot welding machine, built-in switch, handheld battery spot welding machine, integrated spot welding pen, suitable for 18650 battery DIY welding equipment Features: 1. Integrated design, efficient and convenient: The spot welding pen is an indispensable part of the spot welding system, designed to work seamlessly with the integrated spot welding machine. Please note that this product cannot work independently; it is a tool specifically designed for precision welding tasks. 2. Optimized for Battery Assembly: This mini spot welder is designed specifically for spot welding 18650 batteries, allowing for extended working hours and increased efficiency. It features thickened copper bars for rapid heat dissipation and a sleek, aesthetically pleasing design, making it ideal for battery pack assembly. The copper bars are cleaned and protected with strong acid to ensure their shine and durability.3. Independent Spring Action: Equipped with dual telescopic springs within the handle, each welding pen operates independently, providing moderate pressure control. This feature prevents common problems such as insufficient weld strength and excessive sparks caused by uneven welding pressure, thus improving work efficiency. Especially suitable for batch spot welding production.4. Built-in Trigger Switch: This handheld battery spot welder features a built-in trigger switch, allowing for one-handed operation without a foot pedal. This significantly improves work efficiency, making the tool easy to operate, especially beneficial in large-scale production environments.5. Ergonomic Design: The automatic welding machine features a pen-style grip design, ensuring comfortable handling even during extended work sessions. This design ensures that even users with shorter hands can easily reach most of the battery surface without fatigue, making it ideal for mass production. Specifications: Origin: China Material: Aluminum-copper alloy + components Colors (optional): Black/Blue/Red Operating Voltage: 4-12V Current: 800A Type: Integrated spot welding pen Style: DIY Product Dimensions: 125.00x41.00x15.00mm/4.92x1.61x0.59in Gross Weight: 250g Applications: Batteries, circuit boards, etc. Note: Due to differences in screen and lighting effects, the actual color may slightly differ from the image. The product color may be slightly different from the color shown in the picture. Thank you! Please allow 1-2 cm measurement error due to manual measurement. 1 x Spot Solder Pen 2 x Spare Springs 1 x Allen Wrench 2 x Round-Tipped Pins