30W Adjustable Universal Power Adapter 3V–12V + USB | US EU UK AU

Adjustable Universal Power Adapter – 30W, Multi-Voltage, Multi-Plug

Power virtually any low-voltage DC device with this versatile 30W Adjustable Universal Power Adapter. Whether you need 3V, 4.5V, 5V, 6V, 7.5V, 9V, or 12V, simply dial in the right output voltage and you're ready to go. Backed by intelligent charging technology and a bonus USB 2.1A port, this all-in-one charger is the only power supply you'll ever need at your desk, workshop, or travel bag.

Key Features

• 7 Selectable Output Voltages: 3V / 4.5V / 5V / 6V / 7.5V / 9V / 12V — compatible with a wide range of household electronics, routers, LED strips, small appliances, and more
• 30W Maximum Output Power (≤37.5W peak) — handles demanding devices with ease
• Bonus USB 2.1A Port — charge a smartphone, tablet, or other USB device simultaneously
• 4 International Plug Adapters Included: US, EU, UK, and AU plugs — ideal for travelers and multi-region households
• Intelligent Charging Technology — automatically monitors and optimizes the charging process for connected devices
• Universal Compatibility: Works with most barrel-connector DC devices; multiple tips typically included
• Compact & Portable Design — lightweight and easy to pack for home, office, or travel

Specifications

Who Is This For?

This adapter is perfect for electronics enthusiasts, DIYers, home office users, and frequent travelers who want one reliable power supply for multiple devices. Use it to power routers, radios, LED lighting, small motors, CCTV cameras, and more — all without hunting for a separate, device-specific adapter.

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Learn more: ENERGY STAR product efficiency guidance

Frequently Asked Questions

Q: What devices are compatible with this adjustable power adapter?

A: This universal power adapter is compatible with a wide range of DC-powered devices that use common barrel connector tips, including routers, radios, LED strips, small fans, CCTV cameras, portable speakers, and other household electronics requiring 3V to 12V DC input. Always verify your device's voltage requirement before use.

Q: Can I use this adapter internationally when traveling?

A: Yes! The adapter comes with four interchangeable plug heads — US, EU, UK, and AU — making it suitable for use in most countries around the world. Simply swap the plug to match your destination's wall socket.

Q: Does this adapter support charging via USB at the same time as powering a DC device?

A: Absolutely. The built-in USB 2.1A port lets you charge a smartphone, tablet, or other USB-powered device simultaneously while the DC output powers your connected device, making this a truly versatile two-in-one charging solution.