USB to 12V Step-Up Converter Cable - Power 12V Devices from a Power Bank or USB Source

This step-up converter cable lets you run low-power 12V equipment from a standard 5V USB source such as a power bank, phone charger, or laptop port. By boosting the voltage from 5V to 12V, it bridges the gap between everyday USB power and devices that need a 12V supply. With a maximum output of 6W (600mA) and a 1-metre cable length, it is suitable for routers, LED strips, mini air purifiers, and other small electronics that operate at 12V. The simple plug-and-play design means no extra adapters or wiring are required, making it a convenient solution for backup power during outages or for use in vehicles and temporary setups.

Features and Construction

The cable combines a built-in step-up converter with a standard USB input and a 2.1x5.5mm DC output. All components are housed in a compact, black cable assembly designed for everyday portability and storage.

Material and Build

The cable is constructed with PVC-coated wire and a moulded USB A male connector. The DC plug end features a metal 2.1x5.5mm barrel connector with centre positive polarity. The overall build is lightweight and flexible, suitable for travel and home use.

Size and Practical Fit

The cable measures approximately 1 metre (3 feet) in length, providing enough reach to position a power bank near a router or to run an LED strip from a discreet USB source. The compact design makes it easy to coil and store when not in use.

Uses and Placement

This cable is designed for low-power 12V applications, making it useful in several common scenarios where USB power is available but mains power is not.

Event or Professional Use

During trade shows, exhibitions, or outdoor events, you can power a small router, camera, or LED sign from a power bank using this cable, avoiding the need for mains extension leads. It is also useful for temporary setups in workshops or garages where 12V tools or lights are needed.

Everyday Home Use

At home, the cable can keep a broadband router or modem running during a short power cut, simply by connecting it to a charged power bank. It can also power a 12V LED strip for accent lighting in a cupboard, or a small car air purifier on a desk, all from a standard USB phone charger.

Benefits and Buying Value

The cable offers a practical way to repurpose existing USB power sources for 12V devices, reducing the need for dedicated power adapters or battery packs.

Reuse and Low Maintenance

Because it uses common USB power banks as the input source, the cable can be recharged and reused indefinitely. No batteries or disposable components are involved, and the cable itself requires no maintenance beyond storing it in a dry place.

Why Choose This Product

This cable provides a straightforward, one-cable solution for converting USB 5V to 12V DC, with a clear specification of 6W max power and 600mA max current. Its 1-metre length and standard connectors make it compatible with hundreds of low-power 12V devices, without needing separate electronics knowledge or soldering.