- DC-DC Buck Converter: step down 12V or 24V input to precise outputs of 3.0V, 3.3V, 3.7V, 4.2V, 6V, 7.5V, and 9V. - Step Down Voltage Reducer: converts higher voltages to lower ones as needed, enabling common 12V/24V systems to power low voltage electronics. - Power Supply Module: current range from 1A to 30A to match different load requirements and provide stable operation. - DINZHHENGYIN Brand: for example the 20A Aluminum L model with input of 12V 24V and output of 9V. - Versatile Solution: suitable for multiple applications that require different output voltages within the specified range. - Compatibility and construction: designed for use with 12V and 24V systems such as automotive, robotics, and industrial setups; available in durable aluminum L configurations as demonstrated by the 20A model with 12V/24V input and 9V output.