Experience precision and efficiency with this Mini Spot Welder, designed for durability and high performance. Featuring a flexible 40cm gold-plated welding pen with 8mm spot welding copper wire, it ensures ultra-low resistance and excellent oxidation resistance for reliable, high-current welding applications. Equipped with a powerful 5000mAh rechargeable polymer lithium battery, this spot welder supports fast Type-C 2A charging, fully recharging in approximately 2 hours, and can also function as a power bank to charge other devices. Key Features: · **Flexible and Durable Welding Pen:** Gold-plated terminals and 8mm special copper wire provide superior conductivity and corrosion resistance, enhancing welding quality and tool longevity. The 40cm length offers convenient maneuverability for precise welding tasks. · **Large Battery Capacity:** Built-in 5000mAh polymer lithium battery ensures extended usage with a battery cycle life of up to 1000 cycles. Supports 2-hour fast charging via Type-C 2A input for minimal downtime. · **Advanced Protection System:** Integrated overcharge, overtemperature, and short circuit protections safeguard both the device and user. The unique overheat protection automatically cuts off power and shuts down the device to prevent damage and ensure safe operation. · **Adjustable Welding Parameters:** Easily customize preheating, interval, and pulse settings on the 1.8-inch color LCD screen to suit various welding requirements and materials. · **Indicator Light for Battery Protection:** The MOS tube activates automatically when the pen contacts the nickel sheet, and the indicator light turns off at low voltage to protect battery health and prolong lifespan. · **Wide Welding Compatibility:** Supports welding on 0.25mm nickel sheets, iron sheets, and stainless steel with welding currents ranging from 6A to 1200A. Capable of welding thicknesses up to approximately 10mm (0.39 inches) within milliseconds. · **Long Standby and Endurance:** Ultra-low standby current of 20μA provides theoretical standby time exceeding 2.5 years. The welder endures between 800 to 2000 welding cycles per charge, ensuring reliable performance for various projects. Specifications: · Item Type: Mini Spot Welder · Battery Capacity: 1 x 3.7V Polymer Lithium Battery, 5000mAh · Product Screen: 1.8-inch Color LCD · Welding Pen Wire Thickness: 8AWG · Welding Current: 6-1200A · Overcurrent Protection: 1.12KA · Full Charge Time: Approx. 2 Hours · Endurance: 800-2000 Times per Charge · Battery Cycle Life: 1000 Cycles · Standby Current: 20μA · Theoretical Standby Time: 2.5 Years or More · Charging Input: 5.2V 2.1A (Type-C) · Discharge Output: 5V 2.4A Maximum · Supported Welding Materials: 0.25mm Nickel Sheet, Iron Sheet, Stainless Steel · Welding Time: Several Milliseconds · Maximum Welding Thickness: Approx. 10mm / 0.39in · Storage Temperature and Humidity: Max 55℃, 50% Humidity Package Includes: · 1 x Mini Spot Welder This Mini Spot Welder combines portability, power, and precision, making it an ideal tool for battery pack assembly, metal sheet welding, and various DIY or professional welding applications. Its advanced safety features and adjustable settings provide reliable and safe operation, ensuring excellent results every time.