Features: 80 levels of adjustable power, more precise welding and better results, 5000mAh large capacity, longer use time Dual modes are optional, automatic and manual switching mode, can weld mobile phone batteries, support welding all kinds of common nickel-transfer mobile phone batteries plus portable features, it is more convenient to go out to repair mobile phones Dual pulse output, more accurate welding, one-handed operation, one-handed grip, convenient operation and use, one-piece advantage, freeing one hand to hold nickel sheets or fix batteries Support nickel sheet welding with a thickness of 0.1-0.15mm, support 0.2mm nickel sheet welding in full power state, intelligent identification, automatic welding operation, simple and convenient, support stainless steel sheet, stainless steel sheet welding, strong welding, excellent solder joints High-definition LCD display, power lithium battery Product parameters: Name: Portable Handheld Spot Welding Machine LCD display: power/gear/delay/voltage/mode Gear adjustment: 80 gears Battery Type: Lithium Polymer Battery Battery capacity: 5000mAh Design current: 800A(MAX) Input interface: Type-c Input parameters: 5V/2.1A Welding method: Visually observe the welding head, hold it at 60° to the horizontal plane, and press the two needles on the surface of the nickel sheet at the same time Material: Metal colour: black Package Contents: 1 x Spot Welding Machine 1 x USB Cable(randomly colored. Cannot be chosen the specific color.) 1 x Nickel Sheet