Feature:1. DIS sensing technology, enter automatic spot welding mode when the red light is on, enter manual spot welding mode when the green light is on, can use the spot welding pen for fast welding after pressing the AT button.2. 4100rpm intelligent cooling system offers fast heat dissipation and improves safety performance.3. Automatic power-off protection, built-in smart chip to prevent spot welder from overheating.4. Pulse value display, can set the logarithm of the discharge pulse, suitable for nickel sheets of different thickness.5. Applicable for fast welding of rechargeable battery and button battery; repair, production and assembly of lithium battery pack and power bank; lead wire welding of stainless steel, iron, nickel and other hardware accessories.Specification:Item Type: Spot Welder Spot Welder Part:Power: 3.2KWSpot Welding Current: 50-800ADouble Pulse Time: 1-10ms adjustableFour Pulse Time: adjustable from 2-20msEight Pulse Time: adjustable from 8-80msFixed Head Spot Welding Range: 0.05-0.35mmSpot Welding Pen Spot Welding Range: 0.05-0.2mmConstant Temperature Soldering Station:Soldering Station Temperature: 150-450Constant Temperature Accuracy: +/-5Soldering Station Power: 50WTemperature Rise Time: 6-8sec to 30070BN Pulse Spot Welding Pen Part:Welding Needle Spot Welding Pitch 2-7mm adjustableTotal Length: Approx 580mm/22.83inCable Cross Section Area: 16mm2Welding Needle Size: 1.5x7mmPackage List:1 x Spot Welding Machine1 x Foot Pedal Switch1 x Battery Clip1 x Spot Welding Pen1 x Welding Pen Bracket2 x Nickel Sheet Package1 x Electric Soldering Pen1 x Welding Needle Grinding Machine1 x Accessory Package1 x Manual