STABLE AND DURABLE: The spot welding machine is made of excellent ABS and metal materials, with extremely high durability and stable performance, long service life COLOR SCREEN: The LCD color screen can display heating delay time, level, and other data. You can see the product's working status at a glance through the screen 80 LEVELS ADJUSTABLE OUTPUT: This handheld spot welding machine features 80 speed adjustable output power for more precise and perfect welding CONVENIENT AND PORTABLE: The handheld spot welding machine supports welding a variety of common nickel mobile batteries, and its portable function makes it easier to repair mobile phones outdoors WIDE RANGE OF APPLICATIONS: The spot welding machine supports welding of 0.1mm-0.2mm thick nickel-plated strips. Can be used for cylindrical lithium batteries, nickel-metal hydride batteries, and cadmium-nickel batteries (e.g., 18650) spot welding