Power Your 9V or 12V Devices Straight from Any USB Port

Tired of carrying bulky power adapters? This USB DC Step-Up Power Boost Cable converts a standard 5V USB output into a stable 9V or 12V DC supply, letting you power a wide range of electronics directly from a USB power bank, laptop, or wall charger. With a universal 2.1×5.5mm DC barrel plug, it's compatible with routers, LED strips, cameras, mini amplifiers, and many other 9V/12V devices.

Made in Mainland China.

Key Features

Step-Up Boost Conversion: Efficiently boosts USB 5V input to a selectable 9V or 12V DC output for versatile device compatibility.
Universal 2.1×5.5mm Barrel Plug: Fits the most common DC power jack size found on routers, CCTV cameras, LED drivers, and more.
USB-A Input: Plugs into any standard USB port — power banks, USB wall adapters, car chargers, and laptop USB ports all work.
Compact & Portable: Cable form factor means no bulky transformer — toss it in your bag and power devices on the go.
Plug & Play: No drivers or configuration needed — simply plug in and get power instantly.
New Condition: Ships brand new, ready to use straight out of the package.

Specifications

Input: DC 5V (USB-A)
Output: DC 9V / 12V (selectable)
Output Connector: 2.1×5.5mm DC barrel plug
Type: Step-Up (Boost) Converter
Condition: New
Origin: Mainland China

Common Use Cases

Powering Wi-Fi routers from a USB power bank during outages
Supplying 12V to LED strip drivers via a portable USB source
Running CCTV cameras or small surveillance modules off a power bank
Bench electronics prototyping and DIY projects requiring 9V/12V
Travel use — replace region-specific wall adapters with a single USB source

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For general guidance on electrical safety and the use of power conversion equipment, visit the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: What devices can I power with this USB 5V to 9V/12V step-up converter cable?

A: This USB step-up boost cable is compatible with any device that accepts a standard 2.1×5.5mm DC barrel power input at 9V or 12V — including Wi-Fi routers, mini CCTV cameras, LED strip drivers, small amplifiers, and various DIY electronics projects. Always check your device's current draw to ensure it falls within the cable's rated output capacity.

Q: Can I use a power bank as the USB input source?

A: Yes! Any USB power bank, USB wall adapter, car USB charger, or laptop USB port that provides a stable 5V USB output can be used as the input source. This makes the cable ideal for powering 9V or 12V devices on the go without needing a mains socket.

Q: Is the output voltage switchable between 9V and 12V?

A: Yes, this module supports both 9V and 12V DC output. Check the specific variant or switch position on the cable/module to select your required output voltage before connecting your device.

Q: Is this cable safe to use with sensitive electronics?

A: The step-up converter is designed to provide a regulated output voltage. However, always verify the current (amperage) rating of the cable matches or exceeds your device's requirements, and ensure polarity is correct before connecting. When in doubt, use a multimeter to confirm the output voltage before plugging in your device.