Compatible with 18650 lithium battery storage: Optimized for bar welding on 18650 lithium batteries used for mobile power , electric bicycle battery packs, solar storage, and other battery modules. a secure connection and reliable conductivity for long-term use. Efficient 12V spot welding machine: This 12V spot welding machine is designed specifically for 18650 lithium battery pack components, providing stable output and precise welding performance. Very suitable for DIY enthusiasts, repair technicians, and small workshop applications. Portable welding equipment: This spot welding kit is compact and , making it easy to carry and store. Suitable for workbench, workshop, or on-site battery repair projects, where mobility and convenience are important. PCB circuit board control design: The integrated PCB control board provides intelligent power management, stable current, and consistent soldering results. Built in protection helps reduce the risk of overheating, short circuits, and unstable solder joints. Complete DIY spot welding kit: including main PCB soldering board and accessories required for quick assembly, perfect for DIY users who enjoy building and customizing their own soldering settings. Support multiple welding gears or time settings (depending on configuration) to meet different material thickness requirements., Weight: 0.440924524 pounds, Manufacturer: Wesafrae