【2-IN-1 Design】:Our handheld spot welder adopts an ergonomic design to make it more comfortable to hold when you use it,Support one-handed operation,combines the power supply and welding pen into in to one, No need external welding pen, more portable lighter and smaller, 【Two Modes & 11 Adjustable Gears】:Spot welder has automatic and manual mode for you choose,also has 11 adjustable output power, which can be adjusted according to the different materials you spot weld. 1-3 gear mobile phone battery, 3-6 gear 0.1mm nickel plate, 6-11 gear 0.12-0.15 nickel plate. 【Powerful Features】：The spot welding machine can be fully charged within 2.5 hours,can be continuously welded more than 300 times.Equipped with remaining power reminders, spot welding overcharge protection, temperature protection, short circuit protection, abnormal battery temperature alarm and automatic shutdown functions, it is easy to understand the condition of the equipment for better welding. 【Widely used】：It is an excellent battery spot welder for 18650/26650/36650 cylindrical batteries, mobile phone batteries and bad battery packs. It can also be used for spot welding of nickel plates, nickel plates and iron plates with a thickness of 0.1-0 or 0.2.Easily save a lot of unnecessary overhead for you. 【Package Includes】：A beautiful high-end box, A handheld spot welder,nickel plate, 1 piece of sandpaper, 1 Type-c charging cable and an instruction manual. We provide service with a two-year warranty and support services that are not satisfied with full refunds