USB 5V to 9V/12V Step-Up Converter Cable with LED Display
USB 5V to 9V/12V Step-Up Converter Cable with LED Display
USB 5V to 9V/12V Step-Up Power Converter Cable – Portable Boost Converter with LED Display
Power your router, modem, fan, or small electronics from any USB power bank or USB port with this compact 5V to 9V/12V step-up converter cable. Featuring a built-in voltage selector switch and an LED display, this plug-and-play device delivers stable, selectable DC output — no complicated setup required.
Key Features
- Selectable Output Voltage: Toggle effortlessly between 9V and 12V DC output via the built-in switch. The integrated LED display shows real-time output voltage so you always know exactly what your device is receiving.
- Broad Device Compatibility: Powers routers, optical modems, small desk fans, LED lamps, solar panel setups, Bluetooth-compatible speakers, and other small electronics requiring 9V or 12V DC supply.
- Reliable Performance: Converts 5V DC input to a stable output of up to 9V @ 2A or 12V @ 1.5A. Efficient circuitry minimizes heat and energy loss for consistent, dependable power delivery.
- Plug-and-Play Portability: Lightweight (30g) and compact (6.7 × 2.5 × 1.6 cm), making it ideal for travel, emergencies, or remote locations where standard power outlets aren't available.
- Dual-Router Support: Supports powering two routers simultaneously using one or two adapters at the same voltage setting — perfect for keeping your home network running during a power outage.
- Complete Kit: Includes the USB boost converter cable (0.8m/2.62ft) and a 3.5×1.35mm DC connector adapter for immediate out-of-the-box use.
Specifications
| Material | ABS |
| Color | Black |
| Input Voltage | 5V DC (USB) |
| Output Voltage | 9V / 12V DC (selectable) |
| Max Output Current | 9V @ 2A | 12V @ 1.5A |
| Interface | USB-A (input) to DC 5.5/3.5mm Round Jack (output) |
| Cable Length | 0.8m / 2.62ft |
| Weight | 30g |
| Dimensions | 6.7 × 2.5 × 1.6 cm / 2.64" × 0.98" × 0.63" |
| Country of Origin | Made in Mainland China |
What's in the Box
- 1 × USB Boost Converter Cable (5V to 9V/12V)
- 1 × 3.5×1.35mm DC Connector Adapter
Important Notes
- The USB power source input current must be greater than the required output current (minimum input: output current + 1A).
- Slight color variation may occur due to monitor/screen settings.
- Allow minor dimensional differences due to manual measurement.
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Frequently Asked Questions
Q: What USB power source do I need to use this 5V to 12V step-up converter?
A: Any USB power bank or USB charger that outputs 5V DC and can supply sufficient current will work. Since this converter steps up to 12V @ 1.5A, your USB source must be able to supply at least 2.5A at 5V (output current + 1A minimum). Most quality 10,000mAh+ power banks will meet this requirement.
Q: Can I use this converter to power a Wi-Fi router during a power outage?
A: Yes! This is one of the primary use cases. Simply connect the converter to a USB power bank, select the appropriate output voltage (9V or 12V) that matches your router's DC input requirement, and plug in. The LED display confirms the active output voltage before you connect your device.
Q: What devices are compatible with this USB boost converter cable?
A: The converter works with any device that accepts a 9V or 12V DC input via a 5.5/3.5mm barrel jack. Compatible devices include Wi-Fi routers, optical modems, small desk fans, LED desk lamps, solar panel charge controllers, and Bluetooth-compatible audio systems. Always verify your device's required voltage before use.
Q: Is the 3.5×1.35mm DC adapter included?
A: Yes. The package includes the USB boost converter cable and one 3.5×1.35mm DC connector adapter, giving you immediate compatibility with a wider range of devices right out of the box.
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.