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This is 2 Channel USB QC3.0 QC2.0 DC-DC Buck Converter Charging Step Down Module 6-32V 9V 12V 24V to Fast Quick Charger Circuit Board. DC-DC buck converters are known for their high efficiency in converting higher voltages to lower ones. This efficiency helps minimize power loss during the conversion process.


  1. Two channels, allowing you to simultaneously charge two USB devices.
  2. Supports Quick Charge 3.0 (QC3.0) and Quick Charge 2.0 (QC2.0) standards.
  3. Accepts input voltages in the range of 6-32V. This flexibility allows the module to be used in various applications with different power sources, such as automotive systems (12V), power adapters, or other DC power supplies.

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