MOS tube + pure copper overcurrent copper strip 6-speed output power adjustable, 1-6-1 cycle, more accurate welding. Copper pen holder with 10AWG silicone wire, copper spot welding pen, wire length 300mm, pen length 100mm, humanized sleeve, safe to use.This product can spot welding commonly used cylindrical lithium batteries such as 14650, 17490, 18650, 21700, 26650, 32650, you can try it out.Small, and portable, it's easy to put in your pocket and take anywhere.Easy to use, one-click on\/off, very convenient.Fine workmanship, stable performance and long service life.Low-power design, you don' need to worry about running out of battery when shelving.6-speed output power adjustable, 1-6-1 cycle, more precise welding.Press and hold to start, the last used file will be displayed, and a short press will add a file.Self-detection function, the welding pen will automatically trigger when it touches the nickel sheet, and the response time is 0.8s.Advanced power management and software design, no reset and no during welding.Equipped with indicator light, flash charging, fully in standby.Comes with a charging management control module, which can easily charge your phone via the following USB cables.Equipped with high-speed lithium battery, thousands of points can be continuously welded on the 0.1-0.15mm nickel sheet after full charge.Copper pen holder with 10AWG silicone wire, humanized sleeve, safe to use.Colour: blackMaterial: metalPackage Contents:1 * Spot Welding Machine1 * USB Cable2 * Spot Welding Pen Cover1 * Nickel SheetOnly the above package content, other products are not included.Note: Light 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.