Welcome to our shop! This power supply module is a high-efficiency stabilized power supply with perfect protection function. It can be applied to solar charging and is designed with a thickened gold plating process on the circuit board for enhanced durability. The module features low resistance and high-frequency capacitors to reduce ripple, and imported original IC for constant voltage, constant current, and undervoltage protection. With an output error indicator and oxidation heat sink heat dissipation, this power supply module ensures stable and reliable performance. The dimensions of the module are approximately 77.6 x 46.5 x 15mm. It weighs approximately 45g. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.