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Main image of USB to DC 5.5×2.1mm Step-Up Power Cable, DC5V Input to DC12V Output Voltage Boost Converter Cord for Fan, LED, Router & Speaker

Alt view image 2 of 6 - USB to DC 5.5×2.1mm Step-Up Power Cable, DC5V Input to DC12V Output Voltage Boost Converter Cord for Fan, LED, Router & Speaker

Alt view image 3 of 6 - USB to DC 5.5×2.1mm Step-Up Power Cable, DC5V Input to DC12V Output Voltage Boost Converter Cord for Fan, LED, Router & Speaker

Alt view image 4 of 6 - USB to DC 5.5×2.1mm Step-Up Power Cable, DC5V Input to DC12V Output Voltage Boost Converter Cord for Fan, LED, Router & Speaker

Alt view image 5 of 6 - USB to DC 5.5×2.1mm Step-Up Power Cable, DC5V Input to DC12V Output Voltage Boost Converter Cord for Fan, LED, Router & Speaker

Alt view image 6 of 6 - USB to DC 5.5×2.1mm Step-Up Power Cable, DC5V Input to DC12V Output Voltage Boost Converter Cord for Fan, LED, Router & Speaker

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USB to DC 5.5×2.1mm Step-Up Power Cable, DC5V Input to DC12V Output Voltage Boost Converter Cord for Fan, LED, Router & Speaker

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Built-in step-up circuit converts standard USB 5V power input into stable 12V output to power 12V small appliances via common USB power adapters.
Standard 5.5×2.1mm DC barrel female port matches most fans, LED strips, mini routers and small speakers with 5521 DC interface.
Compact integrated cable design eliminates bulky separate adapter, easy plug-and-play without extra wiring setup.
Wide working range supports 5V input from power bank, PC USB port and wall charger for flexible mobile & desktop power supply.
Over-current & short-circuit protection safeguards connected load against abnormal voltage damage for safe long-time operation.

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This boost converter power cord takes 5V power from regular USB-A source and elevates voltage to steady 12V for low-power DC devices equipped with 5.5×2.1mm DC jack. No complicated installation required; simply plug USB end into power source and connect target equipment on DC side. Internal protection circuitry effectively prevents burnout caused by overload or short circuit. Perfect economical replacement power solution for small cooling fans, low-voltage LED lighting, compact routers and mini audio speakers at home and DIY electronic projects.

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First Listed on Newegg	October 07, 2026

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Item#: 9SIC8W0M842320