USB Step-Up Boost Converter Cable 5V to 9V 12V DC

$12.57 $15.75

Power More Devices from Any USB Port

The USB Step-Up Boost Converter Cable lets you power routers, optical modems, and other DC-powered devices directly from any standard 5V USB source — no separate wall adapter needed. It intelligently steps up 5V input to either 9V or 12V output, with a 3.5×1.35mm DC connector for wide compatibility.

Key Features

Dual Voltage Output: Boosts 5V USB power up to 9V or 12V to match the exact input requirements of your device.
Multifunctional Use: Ideal for powering routers, optical modems, LED strips, mini fans, and other low-draw DC electronics.
High-Efficiency Boost Circuit: Advanced boost technology delivers consistent, efficient power conversion — outperforming basic USB cables.
Broad Compatibility: Features a standard DC 5.5/3.5mm barrel connector (3.5×1.35mm) compatible with a wide range of consumer electronics.
Stable & Protected Output: High-quality internal components ensure steady voltage conversion, protecting connected devices from voltage fluctuations.
Compact & Portable: Lightweight cable design makes it easy to carry and use with power banks, USB chargers, or laptop ports.

Specifications

Input Voltage: 5V DC (USB)
Output Voltage: 9V / 12V DC
Connector Type: DC 5.5mm / 3.5×1.35mm barrel plug
Type: DC/DC Step-Up Converter
Quantity: 1 piece
Country of Origin: Made in Mainland China

What's in the Box

1 × USB Step-Up Boost Converter Cable with 3.5×1.35mm Connector

Frequently Asked Questions

Q: What devices can I power with this USB step-up boost converter cable?

A: This USB boost converter is well-suited for low-power DC devices that require 9V or 12V input, such as mini routers, optical modems, LED strips, and small fans — as long as their current draw is within the converter's rated output capacity.

Q: What USB power sources are compatible with this step-up converter?

A: Any standard 5V USB source works, including USB wall chargers, power banks, laptop USB ports, and USB hubs. For best performance, use a USB source capable of delivering adequate current for your target device.

Q: What does the 3.5×1.35mm connector size mean, and will it fit my device?

A: The 3.5×1.35mm refers to the outer and inner diameter of the barrel plug. It is a common connector size found on many routers, modems, and small electronics. Always check your device's power port specifications to confirm compatibility before use.

Q: Is this converter safe for continuous use?

A: Yes. The internal boost circuit uses quality components designed for stable, continuous voltage conversion. Built-in protection helps guard against voltage fluctuations that could otherwise affect connected devices.

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.