Isolated USB power supply module. It can function as a standard power supply, a charging module, and an LED constant-current driver. Simple and efficient, practical. Key benefits - Galvanic isolation between input and output for flexible, safer use with high voltage systems. - All-in-one solution: power supply, battery charging, and LED constant-current driving. - Compatible with 12 V to 80 V battery systems in vehicles or devices, suitable for automotive, hobbyist, and industrial applications. - Built-in reverse-polarity protection and charging capability for reliable operation. Applications - Power supply and charging: provide USB power for devices while charging a battery in a vehicle or equipment setup. - LED drive: constant-current LED applications and lighting projects. - Power conversion: convert battery power in vehicles or devices for USB use and other loads. Ideal users - Automotive enthusiasts, electronics hobbyists, and industrial users who need power conversion for 12 V–80 V battery systems in cars or equipment. Use scenarios - Vehicle integration: convert 12–80 V from a car battery to USB power for charging phones or MP4 players, with charging support and protection. - LED projects: drive LEDs with a stable constant-current from an isolated USB supply in portable lighting or signage. - Industrial or DIY setups: use as an isolated, safe power source for test rigs or automotive electronics, enabling reliable power conversion and charging.