30W Universal Power Adapter Adjustable 3V–12V EU/US Plug

$34.36 $47.48

30W Adjustable Voltage Universal Power Adapter – EU & US Plug

Power virtually any low-voltage device with this versatile 30W adjustable power adapter from Elough. With 7 selectable DC output voltages (3V, 4.5V, 5V, 6V, 7.5V, 9V, 12V), a built-in 5V/2.1A USB charging port, and 8 interchangeable tip connectors, this single adapter replaces the clutter of multiple chargers. Compatible with routers, radios, LED strips, small fans, portable speakers, and countless other household electronics.

Made in Mainland China.

Key Features

7 Adjustable Voltage Settings: 3V / 4.5V / 5V / 6V / 7.5V / 9V / 12V — switch with ease to match your device's requirement
Wide AC Input Range: 100–240V, 50/60Hz — works worldwide; choose EU or US plug at checkout
Built-in USB Port: 5V / 2.1A for simultaneous charging of smartphones and tablets
8 Interchangeable Adapter Tips: 5.5×2.5mm, 5.5×2.1mm, 4.0×1.7mm, 3.5×1.35mm, 3.0×1.1mm, 2.5×0.7mm, Micro USB, and LED dedicated port
30W Total Output Power: handles a broad range of devices safely and efficiently
1.2m (120cm) DC Cable: plenty of reach for desk and bench setups
Compact Design: 12 × 7.5 × 5.6 cm — easy to store and travel with

Technical Specifications

AC Input	100–240V, 50/60Hz
DC Output Voltages	3V / 4.5V / 5V / 6V / 7.5V / 9V / 12V
Total Output Power	30W
USB Output	5V / 2.1A
Main Connector	5.5 × 2.1mm barrel jack
Included Tips	5.5×2.5 / 5.5×2.1 / 4.0×1.7 / 3.5×1.35 / 3.0×1.1 / 2.5×0.7 / Micro USB / LED port
Cable Length	120cm
Dimensions	12 × 7.5 × 5.6 cm
Plug Type	EU or US (select at checkout)
Origin	Made in Mainland China

What Can It Power?

This adapter is ideal for routers, wireless access points, LED lighting strips, desktop fans, radios, CCTV cameras, portable speakers, electric toys, and other low-voltage DC appliances. Simply dial in the correct voltage, attach the right tip, and you're ready to go.

⚠️ Important Note on Plug Type

This adapter is available in EU plug and US plug variants. Please double-check the plug type selected in your order before completing your purchase.

Frequently Asked Questions

Q: Can I use this 30W universal power adapter in both Europe and the USA?

A: The adapter supports a wide AC input of 100–240V, 50/60Hz, making it compatible with mains voltages worldwide. However, it comes in two physical plug styles — EU and US. Select the correct plug type for your region when placing your order. If travelling, you may need a separate plug-shape travel adapter.

Q: How do I know which voltage setting and tip to use for my device?

A: Check the label on your device's original charger or power input for the required DC voltage (e.g. 9V) and connector size (e.g. 5.5×2.1mm). Rotate the voltage selector dial to that voltage, then attach the matching tip from the 8 included connectors. Always verify the voltage BEFORE connecting your device.

Q: Does the USB port work at the same time as the DC output?

A: Yes — the built-in USB port (5V / 2.1A) operates independently and can charge a smartphone or tablet simultaneously while the DC barrel jack powers another device, up to the adapter's combined 30W output limit.

Q: Is this adapter safe for sensitive electronics?

A: The adapter features a regulated switch-mode power supply design, providing stable, consistent DC output. Always ensure the selected voltage matches your device's specification exactly before use to avoid damage.

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.