The Portable Adjustable 5000w 18650 Battery Spotwelding Machine is a small-sized and high-powered tool that is both easy to carry and efficient. It is designed with the convenience of adjustable current, making it simple and easy to use. The spotwelder is capable of producing beautiful and firm solder joints, and can spot weld thousands of solder joints when fully charged. Made of high-quality plastic and metal material, it is odorless, wear-resistant, and durable.This spotwelder is specifically designed for spot welding the nickel strips of 18650 batteries, as well as spot welding iron sheets and stainless steel sheets. It comes with a plug, spot welding machine, a pair of soldering pens, a foot switch, nickel belt, and sandpaper. The spotwelder has an output voltage of 4.2V (MAX) and an output current of 639A (MAX). It has a battery capacity of 4300mAh and a power consumption of 5000W. The size of the spotwelder is 15cm x 9.7cm x 5.1cm, making it compact and easy to handle.Please note that the actual color of the item may be slightly different from the pictures due to lighting and screen settings. Additionally, there may be a slight dimension difference due to manual measurement. The package includes a plug, spot welding machine, a pair of soldering pens, a foot switch, nickel belt, and sandpaper. The spotwelder, soldering pen, and foot switch are connected together for convenience.Key Features:Small size and high powerAdjustable current for convenienceProduces beautiful and firm solder jointsSuitable for spot welding nickel strips of 18650 batteriesCan also spot weld iron sheets and stainless steel sheetsMade of high-quality plastic and metal materialCompact size for easy handlingIncludes necessary accessories for immediate use