Universal: 12V/24V universal, pure copper charging head, good conductivity. Material: frosted PC housing, high temperature resistance up to 200°C, built-in replaceable fuse, can protect the device and extend the service life in the event of overload, short circuit, and overvoltage of the circuit. Wiring method: The center is connected to the positive electrode, the shell burst is connected to the negative electrode, the splitter is treated with manganese steel and electroplated, and the charging contact is stable. Design: Splitter design, stable and not easy to loosen, wide compatibility, proportional input and output, 12V/24V universal. Wide range of compatibility: Suitable for household cars, motorcycles, trucks, off-road vehicles, small mobile phones, Car refrigerators and frequently used electronic devices can be charged