Wefomey
Universal Power Supply 3V~24V 3A 72W Adjustable Variable 3V 5V 9V 12V 18V 20V 24V AC/DC Adapter Charger, 100V-240V AC to DC Converter with 14 Tips, Polarity Converter and 4-Way Power Splitter Cable
Bottom line: The Universal Power Supply 3V~24V 3A 72W Adjustable Variable 3V 5V 9V 12V: Adjustable 3-24V output with LCD readout to confirm voltage before connecting; main trade-off: capped at 3A / 72W; maker advises staying under 80% of full load.
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Pros & Cons
Pros
- ✓ Adjustable 3-24V output with LCD readout to confirm voltage before connecting
- ✓ 14 tips incl. 5.5x2.1mm, 3.5x1.35mm, 2.5x0.7mm, Micro-USB and Type-C
- ✓ 1-to-4 splitter powers several cameras or LED strips from one outlet
- ✓ Over-voltage, over-current, over-temperature and short-circuit cut-off
- ✓ 6ft cable plus reverse polarity converter and alligator clip test lead
Cons
- ✗ Capped at 3A / 72W; maker advises staying under 80% of full load
- ✗ Each splitter output limited to 0.75A when all 4 ports are in use
- ✗ All splitter ports share one voltage, so mixed-voltage devices won't work
- ✗ Wrong voltage setting can damage your device; you must set it manually
Manufacturer description
Running LED strips, a Wi-Fi camera, a router and a 3D printer usually means a drawer full of mismatched wall warts. The Wefomey Universal Power Supply replaces them with a single adjustable AC/DC adapter. It takes 100-240V AC at 50/60Hz and puts out anywhere from 3V to 24V DC at up to 3A, or 72W. An LCD shows the selected output voltage, so you can confirm the setting before you connect a device. The kit includes 14 DC tips, among them 6.5x4.4mm+Pin, 5.5x2.1mm, 5.5x3.0mm+Pin, 3.5x1.35mm, 2.5x0.7mm, Micro-USB, Type-C and a DC terminal connector. A reverse polarity converter handles…
SpecPicks Verdict
SpecPicks scored Universal Power Supply 3V~24V 3A 72W Adjustable Variable 3V 5V 9V… using a rating × review-volume × price-fit model applied to published specs and reviews across the accessories category. Wefomey's accessories lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for accessories of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
What voltage and wattage can this Wefomey adapter output?
It outputs adjustable DC from 3V to 24V at up to 3A, with a 72W maximum. Input is 100-240V AC at 50/60Hz, and an LCD shows the selected output voltage.
Which connector tips are included?
There are 14: 6.5x4.4mm+Pin, 5.5x2.1mm, 5.5x3.0mm+Pin, 5.0x2.5mm, 6.3x3.0mm, 5.5x1.7mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm, Micro-USB, Type-C and a DC terminal connector. The adapter's own DC jack is 5.5x2.5mm, which also fits 5.5x2.1mm.
Can I power four devices at once with the splitter cable?
Yes, as long as their combined current stays at or under 3A. With all 4 ports in use, each device can draw no more than 0.75A, and every port gets the same voltage.
What if my device needs center-negative polarity?
The kit includes a reverse polarity converter. Check the polarity symbol on your device, add the converter if needed, and set the correct voltage before you plug in.
What kinds of devices is it meant for?
It is meant for 3-24V devices rated at 72W or less, such as LED strips, 3D printers, TV boxes, wireless routers, Wi-Fi cameras, USB hubs, hard disk enclosures, DC motors and pumps, and DVR/NVR systems. It is for indoor use only.
Key Features
- Input: AC 100~240V, 50/60Hz; Output: DC 3~24V Adjustable, Max 3A 72W; It can apply to most appliances which the input voltage is between 3V to 24V and the rating power is equal to or less than 72 Watt. LCD display will show the output voltage, in case that wrong voltage regulation damage your device
- 14pcs DC Tips: 6.5x4.4mm+Pin, 5.5x2.1mm, 5.5x3.0mm+Pin, 5.0x2.5mm, 6.3x3.0mm, 5.5x1.7mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm, Micro-USB, Type-C and DC terminal connector. Easily meet the power requirement of your different devices. Can be applied to almost all commonly used electronic devices.
- High-Efficient Power Solution: This DC 1 female to 4 male power splitter cable allows to power two or more cameras or LED strip lights with 1 power adapter, without adding extra electrical outlets and purchasing more power adapters. It is useful for powering multiple devices from one central adapter
- Built-in Multiple Safety Protection Systems: Automatic over voltage cut-off, over current cut-off, over temperature cut-off, short circuit cut-off. No noise, no explosion, no fire hazard, safe to use. 6ft long power cable makes it convenient to use
- Wide Range of Applications: The 72W all-in-one multipurpose AC/DC adapter fit for many 3~24V small household electronics such as LED strips, 3D printer, TV Box, smart speaks, wireless routers, essential oil diffuser humidifier, USB fan, Wifi camera, USB Hub, hard disk box, DC motor, DC pump, digital photo frame, DVR NVR surveillance system etc.For indoor use only. (Check dc jack before buy: 5.5x2.5mm, compatible 5.5x2.1mm)
- Package Includes: 1 x 3~24V 3A universal ac/dc adapter, 14 x DC tips, 1x reverse polarity converter, 1x alligator clip test lead, 1x 4-way power splitter cable. If you have any questions, please feel free to contact us via Amazon, and we are here for you
Full Specifications
| Brand | Wefomey |
|---|---|
| Color | balck |
| Current | DC |
| Wattage | 72 watts |
| Amperage | 3 Amps |
| Portable | No |
| Power Plug | No Plug |
| Unit Count | 1.0 Count |
| Form Factor | box |
| Connectivity | Wireless, USB, WiFi |
| Model Number | WFM-1018-72 |
| Power Source | Corded Electric |
| Input Voltage | 240 Volts |
| Built-In Media | 1 adapter, 14 DC tips, 1 reverse polarity converter, 1 alligator clip test lead, 1 4-way power splitter cable |
| Connector Type | Barrel Connector, Micro USB, Type-C, DC terminal connector |
| Output Current | 3 Amps |
| Output Voltage | 24 Volts |
| Connection Type | Wireless |
| Mfr Part Number | f61b775d-fc4f-4997-b389-44f6f8e2180f |
| Number of Items | 1 |
Ready to buy?
Universal Power Supply 3V~24V 3A 72W Adjustable Variable 3V 5V 9V 12V 18V 20V 24V AC/DC Adapter Charger, 100V-240V AC to DC Converter with 14 Tips, Polarity Converter and 4-Way Power Splitter Cable is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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