Feature:1. Easy to carry: The small spot welding machine has a output power and is suitable for rapid welding of 0.1-0.25mm nickel-plated steel plates and 0.15mm pure nickel steel plates. , space-saving and easy to carry. 2. Easy to operate: One key to open or close. It can be switched freely according to actual needs. Suitable use, DIY, repair, etc. 3. Welding : 2 mobile welding are made of 8AWG silicon wire and copper rod, and come with 2 protective sleeves. The welding pen allows a long welding range and can meet welding needs. 4. Battery: 5000mAh high-capacity lithium secondary battery, low power consumption, long use time when fully . It also acts as a Power Bank to conveniently charge your phone. 5. Material / Self-inspection function: Made of high-quality ABS and PCB, it has extremely high durability and stable performance, and has a long service life. Advanced power management and software design, no reset and zero return during welding. When the welding pen touches the nickel plate, the self-checking function is automatically triggered, and the response time is 0.8s. Specification: Gears: Thousands of combined gears can be combined (1000 gears +) Welding ability: 105% Performance: Over-current short-circuit protection, 0.15mm full electric welding, professional-grade development and parameter adjustment, pure copper solid thick welding pen, one-year standby in low-power, accurate power bank interface, built-in welding ammeter, over-temperature protection, use record query, timing automatic Power off, super fast charging, low current protection, screen brightness adjustment, silent mode. Battery capacity: 5000mAh Voltage: 4.20.05V Welding current: 6-800A Overcurrent protection: 1.12KA Full charging time: 2 hours Battery life: 800-2000 times Battery working cycle life: 1000 cycles Standby current: 20uA Theoretical standby: More than 2.5 years Size: About 112x80x30mm/4.41x3.15x1.18in Color: black Material: ABS+PCB Package Contents: 1 x Spot Welder Machine set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.