USB to DC 5.5x2.1mm Female Adapter – Power Converter
USB to DC 5.5x2.1mm Female Adapter – Power Converter
USB to DC 5.5×2.1mm Female Converter – Extend Your USB Power
This compact USB to DC Female Charging Adapter makes it easy to connect a standard USB power source to any device that uses a DC 5.5×2.1mm barrel jack. Whether you're powering small electronics, LED strips, routers, or other DC-compatible devices from a computer, laptop, or USB charger, this plug-and-play adapter gets the job done quickly and cleanly.
⚠️ Important Note: This adapter does not change or boost the voltage output of your power supply. The output voltage will be exactly the same as the voltage provided by your USB power source (typically 5V). Please ensure your device is compatible with USB voltage levels before use.
Key Features
- Port A: USB Female connector — plugs into any standard USB power source
- Port B: DC 5.5×2.1mm Female barrel jack — connects to your DC-powered device
- No voltage conversion — passes through the USB source voltage as-is
- Plug-and-play — no assembly or drivers required
- Compact & lightweight — easy to carry and store anywhere
- No high-concern chemicals — clean, safe materials
- Compatible with computers, laptops, PCs, USB wall chargers, and power banks
Specifications
| Type | Cable Adapter / Converter |
| Port A | USB Female |
| Port B | DC 5.5×2.1mm Female |
| Assembly Required | No |
| Brand | OULLX |
| Country of Origin | Made in China |
Perfect For
- Powering LED lighting strips or small fans via USB
- Connecting DC barrel-jack devices to laptop or desktop USB ports
- DIY electronics projects requiring USB-to-DC power routing
- Extending USB power supply reach to DC-powered accessories
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Frequently Asked Questions
Q: What voltage does this USB to DC 5.5×2.1mm adapter output?
A: This adapter passes through whatever voltage your USB power source provides — it does not step up or step down voltage. Most USB ports and chargers supply 5V DC, so your connected device will receive 5V. Always verify that your device is rated for 5V before connecting.
Q: What devices is this USB to DC female converter compatible with?
A: It is compatible with any device that accepts a DC 5.5×2.1mm barrel jack input at 5V, such as small routers, LED strips, mini fans, Arduino boards, and similar low-voltage DC electronics. It works with computers, laptops, USB wall adapters, and power banks as the USB power source.
Q: Is any assembly or installation required to use this adapter?
A: No — this is a true plug-and-play adapter. Simply plug the USB female end into your USB power source and connect your DC device to the DC 5.5×2.1mm female port. No tools, drivers, or setup required.
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.