Key features Dualmode operation: automatic and manual switching for flexible control, suitable for mobile phone battery work and welding nickel sheet of various thicknesses. Safety and reliability: multiple protections including voltage stabilization, lowtemperature protection, overheating protection, and builtin temperature control for worry use. Dualpulse output and clear interface: dualpulse power output provides stable welding points and performance for nickel sheet in the 0.10.25 mm range; 1.33inch color screen shows working status at a glance, making operation intuitive. 11 levels of precise control: welding as you wish, results, and doubled durability. Practical use scenarios Smartphone battery tab welding or replacement applications that require precise welding on thin nickel sheet. or assembly of small electronics that use nickel sheet components, where controlled, repeatable welds are essential. Hobby electronics and modelmaking projects involving thin nickel sheet welding, benefiting from finetuned control and clear status display.