Digital Portable Spot Welder Kit with Adjustable Speed and Display for 18650 Lithium Battery Projects

Take control of your battery welding projects with this digital portable spot welder. Designed for 18650 lithium battery packs, it features a vibrant color display, 30 adjustable speed settings, and powerful welding output up to 800A. Built with advanced protection features and a pure copper welding pen, it's ideal for DIY battery builders, electronics hobbyists, and repair professionals. Compact, powerful, and reliablethis welder delivers prolevel performance in the palm of your hand. Key Features 30speed adjustable output with color display interface Pure copper thick welding pen ensures efficient current flow Builtin welding ammeter and overtemperature protection 5000mAh battery with 2hour fast charging capability Multiple safety features: overcurrent, shortcircuit, lowpower standby Why Choose Our Digital Portable Spot Welder Kit with Adjustable Speed and Display Unlike standard spot welders, this compact unit is packed with smart features like use record tracking, silent mode, auto poweroff timer, and low current protection. Its built for professionals but simple enough for hobbyistsreliable for hundreds of cycles with precise control. Perfect For DIY 18650 battery pack building Small electronics repair shops Makers, tinkerers, and ebike enthusiasts Onthego portable welding without heavy gear Product Specs SpecificationValueBattery Capacity5000mAhWelding Current6800AVoltage4.2 0.05VCharging Time2 hoursBattery Life8002000 usesStandby Current20A (theoretical standby >2.5 years)Protection FeaturesOvercurrent, short circuit, overtemp, etc.Size1128030mm (4.413.151.18 in)MaterialABS + PCB