12V Spot Welder Module with Welding Pen DIY Spot Welder Kit Intelligent Spot Welder Control Board Kit for Lithium Battery 18650 _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ 12V Spot Welding Machine Control Board Intelligent Control Spot Welder Control Board Kit Digital Display Spot Welder PCB Circuit Board with Welding Pen for 18650 Lithium Battery _x000D_ Feature: _x000D_ 1. Smart Digital Display: This spot welder module comes with a digital display to easily and accurately track your welding progress. The machine produces a strong and reliable weld without any risk of pipe burst. It requires 12V power between 20AH and 65AH and is capable of welding in the 100A to 900A range. It is ideal for welding nickel plates of 0.1-0.3mm thickness. _x000D_ 2. High Performance: Diy spot welder kit adopts 12 imported MoS tubes, which can achieve up to 3600A peak welding current. This ensures that the welding is completed with high precision and efficiency, making it suitable for a variety of welding applications. _x000D_ 3. Real-Time Display: Spot PCB circuit board features a 99-step power regulator with a digital display that provides real-time feedback on current power levels. This feature allows you to easily adjust power levels to meet your specific welding needs. _x000D_ 4. Convenient Design: Spot welding machine control board adopts double-sided output design for easy spot welding from both sides. The product is clearly marked with an indicator light to prevent you from making any mistakes when connecting the cable. _x000D_ 5. Durability: The welder is equipped with high-quality copper welding pen, which can easily complete spot welding. The welding pen has the characteristics of long service life, low resistance, good high temperature resistance and beautiful welding. Cold pressing technology for large surface area copper joint contacts reduces internal resistance and ensures maximum performance and efficiency _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Specification: _x000D_ Certification: NONE _x000D_ Origin: Mainland China _x000D_ Model Number: Spot Welders _x000D_ Weight: 200 g _x000D_ Working voltage: 6.5V-16V _x000D_ Working current: