USB to DC Boost Converter 5V to 9V/12V Step-Up Power Adapter
USB to DC Boost Converter 5V to 9V/12V Step-Up Power Adapter
Power Your Router or Devices Anywhere with a Powerbank
Keep your Wi-Fi running even during a power outage! This compact USB DC Boost Converter steps up a standard 5V USB input (from any powerbank or USB adapter) to a selectable 9V or 12V DC output via a 5.5mm × 2.1mm barrel connector. A built-in toggle switch and LED voltage display make it effortless to choose and confirm the correct output voltage for your device.
Key Features
- Selectable Output Voltage: Easily switch between 9V and 12V output to match your router or other DC-powered device.
- LED Voltage Display: Instantly confirms the selected output voltage at a glance.
- Intelligent IC Protection: Built-in overcurrent, overvoltage, and overload protection for safe, reliable operation.
- Compact & Portable: Weighs only ~40g and features an ~0.8m cable — easy to carry in a bag or drawer for emergencies.
- Wide Compatibility: Works with any device requiring a 9V or 12V DC supply, including Wi-Fi routers, desk lamps, small fans, and more.
- Durable Components: Made with high-quality electronic components for long-lasting performance.
Specifications
| Input | DC 5V (USB Type-A) |
| Output Voltage | 9V or 12V (switchable) |
| Output Current | 1A (9V) / 0.8A (12V) |
| Cable Length | Approx. 0.8m |
| DC Connector | 5.5mm × 2.1mm barrel plug |
| Weight | Approx. 40g |
| Country of Origin | Made in China |
How to Use
- Connect the USB end to a powerbank or USB power source.
- Use the switch to select the correct output voltage — 9V or 12V — that matches your device's requirements.
- Confirm the selection on the LED display.
- Plug the 5.5mm DC connector into your router or device and enjoy uninterrupted power.
⚠️ Note: Always verify your device's required input voltage before use. Do not select an incorrect output voltage, as this may damage your device.
Package Contents
- 1 × USB Step-Up Boost Converter Cable
Related Products You May Like
- 10 in 1 Multi-Functional Bone Wrench Hex Socket Spanner – Portable Repair Hand Tool
- 3-in-1 Precision Eyeglass Screwdriver Keychain – Portable Mini Screwdriver
Learn more: ENERGY STAR product efficiency guidance
Frequently Asked Questions
Q: What devices can I power with this USB DC boost converter?
A: This step-up adapter is compatible with any device that requires a 9V or 12V DC barrel connector input, such as Wi-Fi routers, small fans, desk lamps, and other electronics powered via a 5.5mm DC jack. Always check your device's voltage requirement before connecting.
Q: Can I use any powerbank with this USB to DC boost converter?
A: Yes — any standard powerbank or USB power source providing a stable 5V DC output through a USB Type-A port is compatible. Ensure the powerbank has sufficient capacity and current output (at least 1A or higher recommended) for your device.
Q: Is there protection against overloading or incorrect voltage spikes?
A: Yes. The converter features an intelligent IC board with built-in overcurrent, overvoltage, and overload protection circuits to help safeguard both the adapter and connected device during normal use.
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.