Specification: Name: portable hand spot welder LCD display: Power/Transmission/Delay/Voltage/Mode Gear adjustment: 80 Battery type: Lithium polymer battery Battery capacity: 5000mAh Rated current: 800A (MAX) Input interface: Type-c Input parameters: 5V/2.1A Thickness of nickel strip: 0,1-0,2mm Product size: 2515825mm Method of welding: visually weld the head, hold it at 60 on the horizontal plane, and press the two needles on the surface of the nickel plate at the same time Feature: *It can be used for soldering cell phone batteries, and it supports all kinds of popular nickel conversion cell phone batteries, plus the portable function makes it more convenient to repair cell phones on the go. *Dual pulse output for more accurate welding and the advantage of being an all-in-one device, it frees one hand for holding the nickel tab or fixing the battery. *It supports welding 0.1-0.15 mm thick nickel sheets and 0.2mm thick nickel sheets in full charge state, intelligent identification, fully automatic welding operation is simple and convenient, supports welding stainless steel and stainless steel sheets, solid welding, excellent welding joints. *Adopting the more universal type-C charging method, it does not distinguish between positive and negative sides, and can be charged when plugged in, and can be welded more than 800 times when filled once. *Detachable soldering pin, copper oxide aluminum soldering needle, capture every detail, just for better use. *The OLED colour display shows all values precisely at a glance. Package includes: 1*Battery spot welder