[High quality and Durable]The spot welding tool is made of aluminum alloy material, wear-resistant, and anti-fall. 2mm Thickened pure copper strip can provide a longer service time and guarantee safe use. [Quick Input with 9 Gears Adjustable]This spot welding equipment adopts a Type-C interface, 4 hours fully charge under 5V 1A input. The maximum output current is up to 650A, and it can continuously weld thousands of points after being fully charged. 9 gears of output power-adjustable, 1 gear is lowest and 9 gear is highest. [Obvious Indicator Light]With output power and remaining power indication, there are two output modes: 1.5s timing trigger output and automatic detect welding pen output. This spot welding kits tools has 4 dual-color indicator lights, and the power indicator flashes when charging. [2 Kinds of Welding Pens and Easy to Operate]Our battery spot welder is equipped with 2 kinds of welder pens, which are very simple to operate and provide very good spot welds. Super portable, no need to find a power supply as the built-in battery provides superior power. The unit can be used while charging. [Wide Applications]This spot welding machine is with gold-plate welding pen, fine conductivity and low contact resistance, quick detachment, and is easy to carry. This spot welder welding machine is mainly used in the welding of nickel sheets of cylindrical batteries, NI-MH batteries, nickel-cadmium batteries. Plug Type:US Plug,it applies to Canada, India, Mexico, Thailand, the United States, the Philippines, Taiwan and so on. colour: black Material: metal + plastic Size: 103x83x29mm Package Contents: 1 x mini spot welder battery 2 x soldering pens 1 x single hand soldering pen 1 roll x nickel-plated tape (0.12mm x 8mm x 2m) 1 x 5V 2A charger 1 x Type-C cable 1 x screw tool 2 x mini springs Only the above package content, other products are not included. Note: Light shooting 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.