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 -plated steel plates and 0.15mm pure steel plates. Lightweight, space-saving and easy to carry.2. Easy to operate: One key to open or . 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 various 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 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 : 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: 5000mAhVoltage: 4.20.05VWelding current: 6-800AOvercurrent protection: 1.12KAFull charging time: 2 hoursBattery life: 800-2000 Battery working life: 1000 cyclesStandby current: 20uATheoretical standby: More than 2.5 yearsSize: About 112x80x30mm/4.41x3.15x1.18inColor: blackMaterial: ABS+PCBPackage Contents:1 x Spot Welder Machine setOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.