Small size and high power, the spotwelder is easy to carry and efficient. The solder pins can be removed and replaced and the solder joints are beautiful and firm.Thousands of solder joints can be spot welded when fully charged. Adjustable current, makes the spotwelder convenient to use, and the operation is simple and easy to learn.Made of high quality plastic and metal material, it's odorless, wear-resistant and durable.This spotwelder length is 15cm, width is 9.7cm, height is 5.1cm.The spot welding machine is used for spot welding the nickel strips of 18650 batteries, or spot welding iron sheets and stainless steel sheets.Item Name: SpotwelderMaterial:ABS,MetalOutput Voltage: 4.2V (MAX)Output Current: 639A (MAX)Battery Capacity: 4300mAhPower Consumption: 5000WPlug Type: US PlugSize Details:Size: 15cm x 9.7cm x 5.1cm/5.91" x 3.82" x 2.01" (Approx.)Soldering Pens Length: 30cm/11.81" (Approx.)The Plug Power Cord Length: 100cm/39.37" (Approx.)The Pedal Cord Length: 130cm/51.18" (Approx.)Spot Welding Thickness: 0.1-0.15-0.2-0.25mmNotes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 X Plug1 X Spot Welding Machine1 Pair of Soldering Pens1 X Foot Switch1 X Nickel Belt1 X Sandpaper(Spotwelder, Soldering Pen And Foot Switch Are Connected Together)