USB 5V to 9V/12V Step-Up Voltage Converter Cable with LED

Power More Devices with a Single USB Port

Upgrade your portable power setup with this USB Step-Up Voltage Converter Cable. It intelligently boosts your standard USB 5V output to either 9V or 12V DC, giving you the flexibility to run routers, small appliances, and other devices that require higher voltage — all from a standard USB power source.

Whether you're working from a remote location, setting up a home office, or preparing for unexpected power disruptions, this compact converter cable keeps your essential devices running without the need for bulky adapters or separate power supplies.

Key Features

• Dual Output Voltage: Selectable step-up from USB 5V to 9V or 12V DC
• Built-in LED Display: Clearly shows the current output voltage at a glance
• Integrated Safety Chip: Provides protection for stable, efficient energy conversion
• Durable PVC Construction: Flexible, long-lasting cable built for everyday use
• Generous Length: 91.5 cm (approx. 36 inches) for flexible reach and positioning
• Plug-and-Play: No drivers or complex setup required — simply connect and go
• Wide Compatibility: Suitable for routers, small fans, LED strips, and other 9V/12V devices

Specifications

Package Includes

• 1 × USB Step-Up Voltage Converter Cable

Made in Mainland China.

Note: Please allow 1–3 cm variance due to manual measurement. Colors may vary slightly depending on your monitor settings.

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Frequently Asked Questions

Q: What devices can I use with this USB step-up voltage converter cable?

A: This USB step-up converter cable is compatible with any device that operates on 9V or 12V DC and has a compatible connector, such as Wi-Fi routers, small fans, LED lighting strips, and other low-power electronics. Always verify your device's input voltage requirements before connecting.

Q: How do I select between 9V and 12V output?

A: The cable features a simple selector switch or button to toggle between 9V and 12V output modes. The built-in LED display will show the currently selected voltage so you always know which mode is active.

Q: Does this cable require any special USB power source?

A: The cable draws power from any standard USB 5V power source, such as a USB power bank, USB wall adapter, or laptop USB port. For best performance, use a USB source that can supply adequate current for your connected device.

Q: Is the converter cable safe to use continuously?

A: Yes. The integrated safety chip helps ensure stable voltage output and efficient energy conversion during extended use. As with all electronics, avoid exposing the cable to excessive heat or moisture.

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.