Enhance your battery repair and precision welding projects with this Mini Spot Welder, designed for efficient and reliable spot welding of nickel-plated steel strips ranging from 0.1mm to 0.15mm thickness. Powered by either a lithium battery or a 12V car battery, this spot welder offers versatile power options to suit your specific needs. Equipped with a single chip microcomputer controller, it provides accurate output pulses and an easy-to-read LCD display for real-time welding parameter monitoring. Key Features: · Dual Power Compatibility: Supports lithium battery or 12V car battery power sources, ensuring flexible and portable use for a variety of applications such as battery pack repairs, power tools, and model airplanes. · Intelligent Microcomputer Control: Features precise output pulse control and an LCD screen displaying welding parameters, enabling accurate and consistent welding quality. · Convenient Connection Design: The soldering pen and input wire connect via U-shaped cold-pressed terminals, allowing for quick disassembly and replacement. · Automatic and Manual Welding Modes: Offers an automatic welding mode for ease of use, while retaining a manual trigger interface for users who prefer hands-on control. · Robust Power Board Construction: Built with 2 ounces of copper on the power board and 10AWG multi-wire soft cables for the soldering pen wire and input wire, enhancing overcurrent capacity and durability. · High-Speed MOS Tube Driving: Equipped with five 300A MOS tubes driven by imported specialized chips, capable of fast 20nS switching to prevent MOS tube damage and extend product life. · Enhanced Stability and Energy Compensation: Includes a 25V 10000uF high-frequency, low-resistance capacitor in the power input for energy compensation, improving welding stability. · Designed for Nickel-Plated Steel Strips: Optimized for welding thin nickel-plated steel strips measuring 0.1mm to 0.15mm, ideal for battery repair applications. Specifications: · Suitable Welding Thickness: 0.1mm to 0.15mm nickel-plated steel strips · Power Input: Lithium battery or 12V car battery (car battery must be 12V, 50AH automotive grade, not standard lead-acid battery) · Welding Needle: Requires grinding into a round head to reduce pressing force and improve welding quality · Size: Approx. 0.1 ~ 0.15mm / 0 ~ 0.01in Package Includes: · Mini Spot Welder Controller This Mini Spot Welder is a powerful and precise tool for repairing power banks, battery packs, and other small electronic devices. While it offers advanced safety features and durable components, users are advised to have a basic understanding of electronics and safety practices for optimal use. Ensure the appropriate power source is used to achieve the best welding results and replace MOS tubes as needed to maintain performance and safety.