DIY enthusiasts and battery pack builders, this handheld spot welder is about to make your projects so much easier! With 80 adjustable power levels, this smart device automatically recognizes different materials and delivers firm, precise welds every time. It supports welding nickel sheets from 0.1-0.15mm thickness (up to 0.2mm when fully charged), making it perfect for cylindrical lithium-ion, nickel-metal hydride, and nickel-cadmium batteries. The dual-mode functionality offers both automatic and manual operation, with multiple safety protections against low voltage, overcurrent, and overcharge. The compact, one-handed design frees up your other hand to hold nickel strips or secure batteries, while the vibrant OLED display shows real-time feedback on power levels, battery status, and welding progress. Powered by a robust 5000mAh battery, it delivers over 800 welds on a single charge with a maximum output current of 1200A. The package includes 2 welding tips, nickel sheets, Type-C cable, and everything you need to start welding immediately. Whether you're building custom battery packs, doing mobile repairs, or working on various DIY projects, this portable spot welder delivers professional results in a compact, user-friendly package.