Experience precision and durability with this advanced Spot Welder, crafted from premium aluminum alloy featuring an abrasion-resistant anodized surface for enhanced longevity. Designed with two movable welding pens composed of silicon wire and thick pure copper rods, it guarantees excellent conductivity and effortless disassembly, making your welding tasks efficient and convenient. Key Features: · **Premium Aluminum Alloy Construction:** Robust casing with an anodized finish ensures resistance to wear and long-term durability. · **Adjustable Output Power:** Includes a clear display screen and 30 power settings, allowing precise control to match various welding requirements, perfect for home use, maintenance, and professional projects. · **Built-in 5500mAh Rechargeable Battery:** This spot welder doubles as a power bank with a rapid USB charging output (5V, max 2.4A) for mobile devices, providing low power consumption and enhanced versatility. · **Intelligent Safety Protections:** Equipped with low voltage, overcurrent, and overcharge prevention systems, along with a low battery alarm and smart output current regulation to ensure safe operation. · **Wide Welding Capabilities:** Efficiently welds Ni sheets from 0.1mm to 0.15mm thickness and up to 0.2mm when fully charged. Compatible with various cylindrical lithium batteries and Ni HM batteries including popular sizes like 26650 and 32650, making it suitable for diverse battery repair and assembly projects. · **High Output Performance:** Maximum output voltage of 4.2V and current up to 650A for strong, reliable welds. Specifications: · Material: Aluminum Alloy · Battery: Built-in Li Battery 5500mAh · Charging Input: Type-C 5V 2A · Maximum Output Voltage: 4.2V · Maximum Output Current: 650A · Welding Thickness: 0.1-0.15mm (up to 0.2mm fully charged) · USB Output: 5V, Max 2.4A · Spot Welding Pen Length: 32mm (1.26in) · Item Type: Spot Welder This Spot Welder combines precision, power, and safety in a compact, portable design ideal for battery pack building, maintenance, and precision welding tasks. Its multifunctional capabilities with intelligent protections and adjustable power settings make it an essential tool for hobbyists and professionals alike.