USB-C to DC 5.5×2.1mm Female Power Adapter Cable 18cm

USB Type-C to DC 5.5×2.1mm Female Power Adapter Cable

Bridge the gap between modern USB-C power sources and classic barrel-connector devices with this compact, high-quality adapter cable. Whether you need to power a router, LED strip, portable fan, or other DC-powered gadget using a USB-C charger or power bank, this 18cm cable delivers a clean, reliable connection in seconds — no soldering, no bulky adapters required.

Key Features

• Universal Compatibility: Connects any USB-C (Type-C) power source to devices with a standard 5.5mm outer / 2.1mm inner barrel DC power jack (DC5521 connector).
• Female-to-Female Design: Both ends are female connectors, perfect for use with your existing USB-C cable and a male DC barrel plug — ultra-flexible setup options.
• Compact 18cm Length: Short, tidy cable keeps your workspace clutter-free while providing just enough reach for a secure connection.
• Solid Build Quality: Constructed from quality materials for durable, long-lasting performance with secure connector fitment.
• Plug-and-Play: No drivers or configuration needed — simply connect and power your device.
• Color: Black — blends seamlessly with most setups.

Specifications

• Model: DC5521 to Type-C
• Connector A: USB Type-C Female
• Connector B: DC 5.5mm × 2.1mm Female (5521)
• Cable Length: 18cm (~7 inches)
• Color: Black
• Package Includes: 1 × Adapter Cable
• Country of Origin: Made in China

What Can You Use It For?

This adapter is ideal for powering small electronics, networking equipment, LED drivers, CCTV cameras, portable speakers, and other 5.5×2.1mm barrel-jack devices directly from a USB-C power bank or charger — a must-have accessory for makers, hobbyists, and travelers.

For guidance on USB power delivery and connector standards, visit the National Institute of Standards and Technology (NIST).

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Note: Due to manual measurement, please allow a tolerance of 1–3mm. Actual product color may vary slightly from images due to differences in monitor display settings.

Frequently Asked Questions

Q: What devices is this USB-C to DC 5.5×2.1mm adapter cable compatible with?

A: This cable is compatible with any device that uses a standard 5.5mm outer / 2.1mm inner (DC5521) barrel power jack, such as routers, LED strips, CCTV cameras, portable fans, small speakers, and various hobby electronics. The USB-C end connects to any USB-C power source including power banks, wall chargers, and laptop ports.

Q: Does this cable support USB Power Delivery (USB-PD)?

A: This cable is a passive adapter designed to physically connect a USB-C power source to a DC barrel jack device. Compatibility with USB Power Delivery depends on your specific USB-C charger and the voltage/current requirements of your device. Always verify that your power source matches the requirements of the device being powered.

Q: Is this a male or female connector on both ends?

A: Both ends of this cable are female connectors — one USB Type-C female and one DC 5.5×2.1mm female. This design allows you to use it in conjunction with your existing male USB-C cable and a male DC barrel plug for maximum flexibility.

Q: How long is this adapter cable?

A: The cable measures approximately 18cm (about 7 inches) in length, making it a compact and tidy solution for connecting nearby devices without excess slack.