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Product Features
Technical Overview
This cable features a standard USB-A male connector on one end and a Type M barrel connector on the other, with precise 5.5mm outer diameter and 2.1mm inner diameter measurements. The center pin maintains positive polarity, matching the configuration required by many compact DC-powered devices.
The cable supports 5V DC power transmission with a maximum current of 0.9A, determined by the USB port's output. Aluminum-mylar foil with braided shielding provides electromagnetic interference protection, while the 4.5mm outer diameter PVC jacket offers flexibility and durability.
Relevant factors for this section include First End Connector Type, First End Connector Detail, Second End Connector Type, Voltage Rating. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
This power cable eliminates the need for separate AC adapters by leveraging existing USB ports, reducing cable clutter and simplifying power management for compatible devices. The precise barrel connector design ensures compatibility with standard Type M connections found on many electronics.
Durable Construction
The fully molded barrel connector and flexible PVC strain relief prevent damage from repetitive bending or rough handling, extending the cable's operational lifespan in professional settings.
- Fully molded connector
- PVC strain relief
- Braided shielding
Professional Support
Backed by StarTech.com's lifetime warranty and free 24/5 multi-lingual technical assistance, this cable meets the reliability expectations of IT professionals and commercial users.
Deployment / Use Cases
This cable is ideal for powering 5V DC devices that utilize Type M barrel connections, such as small fans, LED lights, portable speakers, or other electronics that accept 5V input. It serves as a practical alternative to dedicated power adapters, especially in environments where USB ports are readily available.
Common deployment scenarios include office workstations, retail POS systems, home entertainment setups, or maker projects where clean cable management and reliable power delivery are priorities. The 3-foot length provides sufficient reach for most desktop arrangements while maintaining a tidy workspace.
Desktop Power Solutions
Use this cable to power peripherals or accessories directly from a computer's USB port, reducing the number of wall outlets and adapters required for a streamlined setup.
Portable Device Charging
Charge compatible 5V DC devices from USB power banks, car chargers, or other USB power sources, offering flexibility for mobile or temporary installations.
Highlights
- USB-A to Type M barrel connector cable for 5V DC power delivery
- Compatible with 5.5mm OD/2.1mm ID barrel connections (center pin positive)
- Supplies up to 0.9A from standard USB ports
- 3-foot (0.91 m) length with durable black PVC jacket
- Fully molded connector with PVC strain relief for enhanced durability
- Aluminum-mylar foil with braided shielding for EMI protection
- RoHS compliant and environmentally friendly
- Lifetime warranty with 24/5 multi-lingual technical support
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | USB2TYPEM |
| Brand Name | StarTech.com |
| Product Model | USB2TYPEM |
| Product Name | 3 ft USB to Type M Barrel 5V DC Power Cable |
| Packaged Quantity | 1 Each |
| Product Type | Standard Power Cord |
| Technical Information | |
| First End Connector Type | USB |
| First End Connector Detail | 1 x 4-pin USB Male |
| Second End Connector Type | Barrel Connector |
| Second End Connector Detail | 1 x Barrel Connector Male |
| Power Description | |
| Voltage Rating | 5 V DC |
| Physical Characteristics | |
| Cord Length | 3 ft (0.91 m) |
| Color Family | Black |
| Product Color | Black |
| Miscellaneous | |
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
| Warranty | |
| Limited Warranty | Lifetime |
User Manual
FAQ
What devices are compatible with this USB to barrel power cable?
This cable is compatible with any device that uses a Type M barrel connector with 5.5mm outer diameter and 2.1mm inner diameter, center pin positive configuration, and operates at 5V DC. Common applications include small electronics like fans, LED lights, portable speakers, or other 5V-powered accessories that accept barrel connections.
What is the maximum current this cable can deliver?
The cable can deliver up to 0.9A of current, but the actual current supplied depends on the USB port it's connected to. Standard USB 2.0 ports typically provide up to 0.5A, while USB 3.0 or dedicated charging ports may deliver the full 0.9A. Always verify your USB port's output capabilities for optimal performance.
Can I use this cable with devices that require different voltage?
No, this cable is designed specifically for 5V DC applications only. Using it with devices that require different voltage (such as 9V, 12V, or variable voltage) may damage the connected device or cause improper operation. Always confirm your device's voltage requirements match the cable's 5V DC rating before connecting.
How durable is this power cable for professional use?
The cable features a fully molded barrel connector and durable PVC jacket with flexible strain relief at both ends, making it resistant to damage from repetitive bending or rough handling. The aluminum-mylar foil with braided shielding provides additional protection against electromagnetic interference, ensuring reliable performance in professional IT environments.
What warranty and support does StarTech.com provide for this product?
StarTech.com backs this cable with a lifetime warranty, covering defects in materials and workmanship. Additionally, they offer free 24/5 multi-lingual technical assistance, providing professional support during business hours across multiple time zones for installation guidance or troubleshooting.
Is this cable RoHS compliant and environmentally friendly?
Yes, this cable is RoHS (Restriction of Hazardous Substances) compliant, meaning it meets strict environmental standards by limiting the use of specific hazardous materials. The environmentally friendly design aligns with modern sustainability practices while maintaining the durability and performance expected from professional-grade cabling.