Enhance your battery welding projects with this advanced adjustable power circuit board designed for precise and efficient spot welding of cylindrical lithium batteries, nickel metal hydride batteries, cadmium nickel batteries, and more. Featuring 99 adjustable power levels with a real-time digital tube display, this welding controller offers superior control and accuracy for professional and hobbyist use alike. Key Features: · 99 Gear Adjustable Power: Easily customize the welding power with 99 distinct levels, displayed in real-time on the digital tube for precise operation and optimal results. · High Frequency Capacitance & Low Internal Resistance: Ensures stable performance with enhanced energy efficiency and minimal power loss during welding. · High Temperature Resistance: Components withstand temperatures up to 105°C, providing durability and reliability under demanding conditions. · Real-Time Voltage Monitoring Protection: Automatically monitors input voltage; displays "UE" if voltage falls outside the safe 8-17V range to prevent damage. · MOSFET Temperature Protection: Displays "CE" warning if MOSFET temperature exceeds 45°C, safeguarding the device from overheating. · Heavy-Duty 10AWG Wire & Alumina Copper Spot Welding Needle: Supports high current capacity and durability, enabling consistent and strong welds. · Pure Copper Conductivity & Heat Conduction: Enhances spot welding efficiency by improving electrical and thermal transfer for better welding quality. Specifications: · Welding Thickness: Suitable for 0.1-0.2mm nickel sheets · Package Size: 150 x 150 x 20mm (5.9 x 5.9 x 0.8 inches) · Package Weight: 156g (5.5oz) Package Includes: · 1 x Circuit Board · 1 x 5m Nickel Sheet · 2 x Connect Cables · 2 x Spot Welding Pens · 4 x Sets of Screws · 2 x Heat Shrinkable Tubes This adjustable power spot welding circuit board combines precision, safety, and durability to deliver reliable welding performance for various battery types. Its comprehensive protection features and high-quality materials make it an essential tool for efficient battery pack assembly and repair.