DC 5.5×2.1mm Male-to-Male Female-to-Female Barrel Connector

DC 5.5×2.1mm Power Connector Adapter – Male-to-Male & Female-to-Female

Keep your DC power connections seamless and secure with this versatile 5.5×2.1mm DC barrel connector adapter. Whether you need to extend a power cable, join two DC plugs, or link two sockets together, this compact adapter makes the job quick and easy — no soldering required. Built from durable plastic and metal construction, it delivers a solid, reliable connection every time.

Key Features

• Universal 5.5×2.1mm Size – Fits the most common DC barrel connector standard used in cameras, routers, LED strips, and electronics.
• Double-Ended Design – Available as Male-to-Male (plug-to-plug) or Female-to-Female (socket-to-socket) for flexible configuration.
• Durable Materials – Constructed with metal contacts and sturdy plastic housing for long-lasting, secure connections.
• Compact & Lightweight – Small form factor fits neatly into tight spaces and electronics enclosures.
• Silver Tone & Black Finish – Clean, professional look that blends with most setups.
• Panel-Mountable Female Version – The female-to-female variant supports panel mounting for clean, permanent installations.
• Plug Size: 5.5mm (outer) × 2.1mm (inner)

Specifications

• Connector Size: 5.5mm × 2.1mm
• Material: Plastic & Metal
• Color: Silver Tone / Black
• Package Includes: 1 × DC Connector Adapter
• Country of Origin: Made in China

Common Applications

• Extending DC power cables for CCTV cameras, routers, and LED lighting
• Connecting two male DC plugs end-to-end
• Panel mounting power sockets in DIY electronics projects
• Prototyping and electronics bench work
• Home automation and hobby electronics

Looking for other tools and accessories for your projects? Check out our 1/2" Drive 8-Piece Hex Short Socket Set – Vanadium Steel or the 105° Right Angle Driver with 1/4" Hex Screwdriver Bit to round out your toolkit.

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Frequently Asked Questions

Q: What devices are compatible with the 5.5×2.1mm DC connector adapter?

A: The 5.5×2.1mm DC barrel connector is one of the most widely used power connector sizes. It is commonly found on CCTV cameras, LED strip drivers, routers, Arduino power supplies, and a wide range of consumer electronics. If your device uses a standard DC barrel jack of this size, this adapter will fit perfectly.

Q: What is the difference between the male-to-male and female-to-female versions?

A: The male-to-male (plug-to-plug) adapter connects two female DC sockets together — useful for extending or joining two power cables end-to-end. The female-to-female (socket-to-socket) adapter connects two male DC plugs together and can also be panel-mounted for permanent installation in an enclosure or project box.

Q: Does this adapter require any tools or soldering to install?

A: No tools or soldering are required. Simply plug the connector adapter into your DC cables or sockets — it provides an instant, secure connection without any additional hardware.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.