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This conversion cable is designed with a TypeC male plug on one end and a DC 5.5×2.1mm female barrel jack on the opposite terminal. It allows users to utilize existing USBC PD adapters to supply power to devices fitted with traditional 5521 DC ports without purchasing dedicated DC power bricks. Optimized internal conductive wiring effectively reduces power loss during energy transmission. Reliable build quality ensures steady power delivery under long-hour working conditions, making it an ideal spare replacement and modification accessory for laboratory prototypes, household small appliances and embedded control modules.