The 3V–24V Adjustable Power Supply that replaces 10 fixed adapters
Tired of rummaging through a drawer full of power bricks, only to never find the right voltage when you need it? This 3V–24V adjustable power supply is the ultimate solution. One single device covers all common voltage requirements—from 3V for small circuits up to 24V for high-power DC motors or LED strips. The integrated LCD display shows you the exact output voltage in real-time, eliminating the need for a multimeter or guesswork.
Note: The output connector is a 5.5 x 2.5 mm male jack. A 5.5 x 2.1 mm female adapter is included in the box for direct compatibility with routers, IP cameras, and other devices requiring smaller barrel plugs.
Why choose this adjustable power supply? (Key Benefits):
- Adjustable 3V–24V voltage in 10 preset steps — covers 3V, 4.5V, 5V, 6V, 9V, 12V, 15V, 18V, 21V, and 24V without needing external converters.
- LCD display with real-time reading — see exactly what voltage is being delivered to your device, not just the theoretical setting; prevents accidental damage from incorrect voltage.
- 95% efficiency — stays cool even under continuous load, ensuring a longer lifespan and lower energy consumption.
- Integrated dual protection — features automatic shut-off for short-circuits and overvoltage, keeping both the power supply and your connected equipment safe.
- Universal AC 100–240V / 50–60Hz input — works perfectly in Ireland, Luxembourg, Malta, and anywhere else in the world without needing an extra travel adapter.
- 2-metre cable — provides plenty of reach for your workbench, equipment rack, or testing station without needing extension leads.
Performance and Specifications
The internal voltage regulator allows for precise adjustment within the 3V–24V DC range, delivering a maximum power of 72W at 3A. This makes it ideal for powering LED strips, DC fans, small motors, or pumps without hitting overload limits. The compact 118 x 50 x 31 mm housing takes up minimal desk space and is easy to store. The switching power supply design ensures stability even when load conditions fluctuate.
| Parameter | Value / Detail |
|---|---|
| Input Voltage | AC 100–240V, 50/60Hz |
| Output Voltage | Adjustable DC 3V – 24V |
| Max Output Current | 3A |
| Max Power | 72W |
| Energy Efficiency | 95% |
| Output Connector | 5.5 x 2.5 mm male jack |
| Included Adapter | 5.5 x 2.1 mm female |
| Display | LCD – real-time voltage |
| Protection | Overvoltage, short-circuit |
| Dimensions | 118 x 50 x 31 mm |
| Cable Length | 2 metres |
| Preset Voltage Values | 3V, 4.5V, 5V, 6V, 9V, 12V, 15V, 18V, 21V, 24V |
Setup and Usage Instructions
- Connect the power supply to an AC mains outlet (100–240V). The LCD screen will activate and show the current output voltage.
- Use the adjustment dial to select your desired voltage between 3V and 24V.
- Confirm on the LCD display that the value matches the requirements of your device.
- Connect your device to the 5.5 x 2.5 mm jack. If your device requires a 5.5 x 2.1 mm jack, attach the included adapter first.
- Always check polarity before connecting: centre positive, outer negative — standard DC configuration.
- In the event of a short-circuit or overload, the unit will shut off automatically. Clear the fault, then reconnect to resume operation.
Package Contents
- 1 x Adjustable 3V–24V, 3A, 72W Power Supply with LCD Display
- 1 x 5.5 x 2.1 mm female adapter
- Integrated power cable (2 metres long)
Frequently Asked Questions
Can I power a 12V LED strip with this?
Yes. Simply set the voltage to 12V, confirm on the LCD, and connect the strip. At 12V, the unit delivers up to 3A (36W), which is plenty for standard LED strips of medium length or two 1-metre segments in parallel.
Is it compatible with power sockets in Ireland, Luxembourg, and Malta?
Yes. The AC 100–240V / 50Hz input is fully compatible with standard mains sockets in Ireland, Luxembourg, and across Europe without needing additional adapters.
What happens if my device draws more than 3A?
The power supply will automatically shut down due to its overload protection feature. This protects both the unit and your device. Once you remove the cause of the overload, the unit will function normally again.
Is the 5.5 x 2.5 mm jack compatible with my router or security camera?
Most routers and IP cameras use a 5.5 x 2.1 mm jack. The adapter included in the box allows you to connect these devices instantly without any modifications or extra purchases.
Does the LCD show the actual voltage or just the setting?
It shows the actual, real-time output voltage being delivered to the connector. If there is a voltage drop under load, you will see it reflected on the screen immediately.
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