Electronics Voltage-Reduction Regulator Board 21V Source and 5V Two-Port USB-a Output with Input Cables for Portable Power Experiments

21V To 5V Conversion: This direct-current voltage-reduction board converts the stated 21V input to 5V output for compatible electronics projects and small devices Single Converter Board Included: The package contains a complete two-port voltage converter board, giving builders a clear starting point for planned components Two USB-A Outputs: Two full-size ports are designed to supply power to two connected devices at the same time from a single converter-board installation Project-Focused Applications: Use the module for tool-battery power conversion, portable power builds, electronics experiments, or small-device modifications Cable-Based Integration: Attached red and black input cables connection to a planned circuit, helping electronics builders add USB power to a maker project