This 4port USB steps down converters efficiently transforms DC9-36V input to stable 5V / 3A output, featuring A5268 chip protections and 95% conversion efficiency for safe simultaneous charging of multiple devices The compactly module incorporates visible operate indicators, ensuring voltages stability during engine startups and making it compatible for 12V / 24V truck systems and 36V solar panel configurations Ideal for automotive enthusiasts, outdoor adventurers, and electronics technicians requiring reliability power conversion solution for navigation systems, dashes cameras, and portable devices in mobiles environment Perfect for vehicle charging stations, solar power systems, and emergencies backup setups where stable DC5V output is important for powering LED arrays, Bluetooth-compatible devices, and USB compatible electronics Engineered with copper terminals and synchronized rectification technology, the module delivers most 25W power output through four USB port while maintaining optimal thermals