Conventional use and portability Handheld spot welder designed for welding various common nickel mobile phone batteries. The portable form makes onsite repairs easier and more convenient. Durable, reliable construction Made from ABS and metal materials, providing durability, stable performance, and a long service life. Wide compatibility Supports welding nickelplated strips with thicknesses of 0.1 mm to 0.15 mm. Suitable for spot welding cylindrical lithium batteries, nickelhydrogen batteries, and cadmiumnickel batteries. Integrated design No need for a spot welding pen. The builtin power supply and soldering pen are combined in one handheld unit, enabling easy welding without an external pen. Use scenarios Onsite/mobile phone battery repairs and field maintenance where quick spot welds are required. Assembly or of cylindrical lithium battery packs in compact devices or equipment. Maintenance or construction of battery packs using nickelhydrogen or cadmiumnickel cells in portable electronics.