About this item Features: Built with solid capacitors, 36 thick PCB, high-Q inductors, and an LED output indicator for enhanced performance and reliability. Application: Perfect for DIY power bank projects, powering monitors, communication devices, and a wide range of other electronic equipment. Wide Input Voltage Range: The LM2596 buck converter supports a broad input voltage range from 3V to 40V, making it ideal for various applications, including DIY electronics, solar power systems, and more. (Input voltage must be at least 1.5V higher than the output voltage; no boost function) High-Efficiency Output: Achieve up to 92% conversion efficiency with this step-down regulator, ensuring stable and efficient voltage regulation for your devices, from 1.25V to 35V. Adjustable Voltage Regulator: Easily customize the output voltage with a precision multi-turn potentiometer, providing flexibility for powering a wide range of electronic projects and devices. Integrated Thermal Protection: Built