USB to DC 5.5x2.1mm Cable 1M – 5V Power Supply Charging Cord
USB to DC 5.5x2.1mm Cable 1M – 5V Power Supply Charging Cord
USB to DC 5.5×2.1mm Charging Cable – 1 Metre Power Supply Cord
Power up your router, fan, LED strip, speaker, or any other 5V DC device effortlessly with this versatile USB to DC Charging Cable. Simply plug the USB-A end into any USB port or USB charger and deliver stable 5V power through the standard 5.5×2.1mm barrel connector — no adapters, no fuss.
Made in Mainland China.
Key Features
- Universal USB-A to DC Barrel Connector: USB-A male on one end, 5.5mm outer / 2.1mm inner DC barrel plug on the other — the most common barrel size used in routers, hubs, and small electronics.
- Positive Centre / Negative Sleeve Polarity: Standard centre-positive configuration compatible with the vast majority of 5V DC-powered devices.
- 1 Metre (≈ 3.3 ft) Length: Long enough to reach from a USB wall adapter, PC port, power bank, or USB hub to your device without clutter.
- 5V DC Operation: Designed specifically for 5V power delivery — ideal for routers, mini fans, LED lights, Arduino boards, and similar low-voltage devices.
- Durable Round Wire Build: Sturdy round cable jacket protects internal conductors for long-lasting, reliable performance.
- No Assembly Required: Ready to use straight out of the package.
- No High-Concern Chemicals: Manufactured without hazardous substances.
Specifications
| Input Connector | USB-A Male |
| Output Connector | DC Barrel 5.5mm (OD) × 2.1mm (ID) |
| Polarity | Centre Positive (+), Sleeve Negative (−) |
| Voltage | 5V DC |
| Cable Length | Approx. 1 metre (3.3 ft) |
| Cable Style | Round |
| Assembly | None required |
| Origin | Mainland China |
What Can You Power With It?
This cable is perfect for any device that accepts a 5.5×2.1mm DC barrel input at 5V, including:
- Wi-Fi routers & network switches
- USB hubs & mini fans
- LED light strips & desk lamps
- Arduino & Raspberry Pi projects
- Security cameras & smart home devices
- Portable speakers & radios
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Frequently Asked Questions
Q: What devices is this USB to DC 5.5×2.1mm cable compatible with?
A: This cable is compatible with any device that uses a standard 5.5mm outer diameter / 2.1mm inner diameter DC barrel connector and operates at 5V DC — such as Wi-Fi routers, mini fans, LED strips, Arduino boards, Raspberry Pi setups, and many USB-powered gadgets.
Q: Does the polarity matter, and what is it for this cable?
A: Yes, polarity matters for DC-powered devices. This cable follows the standard centre-positive configuration — the inner pin carries positive (+) and the outer sleeve is negative (−). Always verify your device uses the same polarity before connecting.
Q: Can I use this cable with a USB power bank or wall charger?
A: Absolutely. The USB-A plug on this cable works with any USB power bank, USB wall adapter, PC USB port, or USB hub that outputs 5V. It essentially extends 5V USB power to any device with a DC barrel port.
Q: How long is the cable, and is any assembly needed?
A: The cable is approximately 1 metre (about 3.3 feet) long — no assembly or tools required. Simply plug it in and it's ready to use.
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.