1. Compact design: Small body design, Type-C charging port for fast charging. 2. Multiple welding modes: Knob control mode, preheating, intermittent, gear position, trigger time, and connection point value range are all adjustable. One-click parameter setting enables precise welding. 3. 13860W high power: Fast response, triggering, rapid and precise welding, capable of welding pure , -plated, steel, iron, copper and other materials. 4. Three welding modes: Supports switching among manual, automatic and foot pedal welding modes, allowing users to choose according to their actual needs. 5. Wide range of applications: Widely applicable to battery welding and assembly, mobile phone battery transplantation, button battery welding, mobile phone repair, power tool repair, small and medium-sized battery assembly, household appliance repair, etc. Product Name: Spot Welding Machine Model: UK3 Input voltage: 5V/2.4A Output voltage: 8.4V (MAX) Output current: 1650A (MAX) Output power: 13860W (MAX) Battery capacity: 10000mah Gear adjustment: 99 gear adjustments Spot welding mode: automatic/Manual/foot pedal Welding methods: preheating, intermittent, gear position, trigger time, connection point Product dimensions: 100.5*158*48mm Color: Black Material: Metal Package Contents: 1*Spot Welding 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.