Etopgo
40W Universal Power Supply
We earn a commission if you buy through this link, at no extra cost to you. Price and availability come from Amazon and can change.
Check price on
- Prime delivery available
- Shipped and returned through Amazon
- Price checked 9 September 2026
- You buy on Amazon — we never handle your payment or card details
Key facts
- Brand
- Etopgo
- Model
- HDD28-03
- Colour
- Black
- Condition
- New
- ASIN
- B0DK2WRL1C
- Introducing the Etopgo 40W Universal Power Supply – the ultimate solution for all your electronic power needs! Designed to accommodate a vast array of devices, this versatile power supply features an AC input range of 110-240V and delivers multiple DC output voltages including 3V, 4.5V, 5V, 6V, 7.5V, 9V, and 12V, with a maximum output current of 3A (3000mA). It comes with seven interchangeable connectors, making it compatible with 95% of your household electronics, from LED strip lights to CCTV cameras, routers, and even 3D printers.
- What sets this power supply apart is its built-in 5V 1A USB port, allowing you to charge two devices simultaneously, perfect for busy households or offices. Safety is paramount; this adapter is equipped with features like short circuit protection, overheating protection, and over-current protection. Switching between voltages is a breeze with the included key, ensuring you can effortlessly power various devices.
- Compact and efficient, the Etopgo Universal Power Supply not only saves you space by replacing multiple individual adapters but also enhances the convenience of managing your electronics. Make sure to check the polarity before purchasing, as this device operates on an inner positive and outer negative configuration. Whether you're powering up your gadgets or need a reliable replacement for your old power supply, the Etopgo 40W Universal Power Supply is your go-to choice for efficiency and versatility.
Questions
What devices can I power with this universal power supply?
This power supply can power a wide range of devices including LED strip lights, CCTV cameras, USB hubs, 3D printers, and more, making it ideal for various household electronics.
Is it safe to use with my electronics?
Absolutely! The Etopgo power supply includes multiple safety features such as short circuit protection, overheating protection, and over-voltage protection to ensure safe usage.
Can I charge two devices at the same time?
Yes! This power supply features a 5V 1A USB port, allowing you to charge two devices simultaneously without any hassle.
How do I change the voltage settings?
Changing the voltage is simple! Just use the included key to select your desired voltage setting effortlessly.
What is the maximum output current?
The Etopgo power supply has a maximum output current of 3A (3000mA), providing ample power for your devices.
Are the connectors interchangeable?
Yes, the power supply comes with seven interchangeable connectors, making it versatile for various devices and eliminating the need for multiple adapters.
40W Universal Power Supply
£6.84In stock
40W Universal Power Supply
As an Amazon Associate we earn from qualifying purchases. Links on this page may earn us a commission at no extra cost to you. Prices and availability are taken from Amazon at the time of writing and can change.