DC 5V to 12V USB Boost Converter Cable – WiFi Router & Modem

Power Your WiFi Router or Modem from Any USB Port

The DC 5V to 12V USB Boost Converter Step-Up Cable is a compact, plug-and-play power solution that converts a standard 5V USB output into a stable 12V DC supply — perfect for keeping your WiFi router, modem, or small fan running from a powerbank, USB charger, or any 5V USB source. No extra adapters, no complicated setup — just connect and go.

Available in 7 color options, this 1-meter cable is built with durable plastic and metal construction for reliable everyday use. Whether you're traveling, working remotely, or simply need a backup power workaround, this step-up converter cord is a smart, affordable addition to your electronics toolkit.

Key Features

• Voltage Step-Up: Converts 5V USB input to a stable 12V DC output
• Universal Compatibility: Works with WiFi routers, modems, small fans, and other 12V DC devices
• 5.5mm × 2.1mm DC Barrel Connector: Standard connector size compatible with most 12V devices
• 1 Meter Cable Length: Generous length for flexible placement
• Built-In Boost Converter Circuit: Stable, efficient voltage conversion
• Portable & Lightweight: Ideal for travel, camping, or on-the-go connectivity
• 7 Color Options: Choose the one that suits your setup
• Materials: Plastic and metal construction for durability

What's in the Box?

• 1 × DC 5V to 12V USB Boost Converter Step-Up Cable (1 meter)

Specifications

• Input: DC 5V (via USB)
• Output: DC 12V
• Cable Length: 1 meter
• DC Connector: 5.5mm × 2.1mm barrel plug
• Materials: Plastic, Metal

Perfect For

• Powering WiFi routers and modems from a powerbank during outages
• Travel routers needing 12V from a USB power source
• Running small 12V DC fans from USB ports
• Emergency or backup power setups

Please note: The color of the item may vary slightly from the pictures shown on the website due to monitor brightness and display settings.

For more information on safe use of electrical adapters and converters, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer electronics safety guidance.

Frequently Asked Questions

Q: What devices is the DC 5V to 12V USB Boost Converter Cable compatible with?

A: This step-up converter cable is compatible with any device that operates on 12V DC and uses a standard 5.5mm × 2.1mm barrel connector, including WiFi routers, modems, small fans, and similar electronics. It draws power from any standard 5V USB source such as a powerbank, USB wall charger, or laptop port.

Q: Can I use this cable with a powerbank to keep my router running during a power outage?

A: Yes! That's one of the most popular uses for this boost converter cable. As long as your powerbank supplies a stable 5V USB output and sufficient current, this cable will step up the voltage to 12V DC to keep your router or modem running. Check your router's power consumption to ensure your powerbank can support it.

Q: How long is the cable and what connector does it use?

A: The cable is 1 meter (approximately 3.3 feet) long and features a standard 5.5mm × 2.1mm DC barrel connector, which is the most common connector size for 12V routers, modems, and similar devices.

Q: Is this cable easy to set up?

A: Absolutely. Simply plug the USB end into your 5V USB power source (such as a powerbank or USB charger) and connect the barrel connector to your 12V device. No drivers, software, or configuration required — it's ready to use straight out of the box.