Belker
Belker 24W Universal 3V 4.5V 5V 6V 7.5V 9V 12V AC DC Adapter with 8 Tips
Bottom line: The Belker 24W Universal 3V 4.5V 5V 6V 7.5V 9V 12V AC DC Adapter: Seven switchable outputs: 3V, 4.5V, 5V, 6V, 7.5V, 9V and 12V from one brick; main trade-off: center-positive only; center-negative gear needs cable B07PMHMPMP, sold separately.
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Pros & Cons
Pros
- ✓ Seven switchable outputs: 3V, 4.5V, 5V, 6V, 7.5V, 9V and 12V from one brick
- ✓ 2A (2000mA) max, and back-compatible with 300mA to 1.5A devices
- ✓ Eight DC tips included, from 5.5x2.5mm down to 2.5x0.7mm
- ✓ Micro USB tip and LED terminal connector cover non-barrel gear
Cons
- ✗ Center-positive only; center-negative gear needs cable B07PMHMPMP, sold separately
- ✗ 24W ceiling rules out anything drawing more than 2A at 12V
- ✗ No USB-C tip, so modern devices are not covered
- ✗ You must measure your DC jack yourself; seven barrel sizes are easy to confuse
Manufacturer description
The Belker 24W Universal AC DC Adapter solves the drawer full of orphaned power bricks. One switchable supply covers 3V, 4.5V, 5V, 6V, 7.5V, 9V and 12V at up to 2A (2000mA), and it back-supports lower-draw devices rated 300mA, 500mA, 1A or 1.5A, so a single Belker adapter can stand in for most of what died in your kit. Input runs AC 100V-240V 50/60Hz, so it works on both sides of the mains divide. Eight interchangeable DC tips ship in the box: 5.5x2.5mm, 5.5x2.1mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.0mm, 2.5x0.7mm, plus Micro USB and an LED terminal connector. That covers routers…
SpecPicks Verdict
SpecPicks scored Belker 24W Universal 3V 4.5V 5V 6V 7.5V 9V 12V AC DC Adapter using a rating × review-volume × price-fit model applied to published specs and reviews across the accessories category. Belker'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 voltages does the Belker adapter output?
It switches between 3V, 4.5V, 5V, 6V, 7.5V, 9V and 12V DC, at up to 2A (2000mA) and 24W total.
Which connector tips are included?
Eight: 5.5x2.5mm, 5.5x2.1mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.0mm, 2.5x0.7mm, Micro USB and an LED terminal connector. Measure your device's DC jack before ordering.
Will it work with a device rated below 2A, like 500mA or 1A?
Yes. The 2A rating is a maximum, and Belker lists compatibility with lower draws including 300mA, 500mA, 800mA, 1A and 1.5A.
What polarity does it use?
Inner positive, outer negative (center-positive). If your device needs center-negative, Belker sells a polarity-reversed cable under ASIN B07PMHMPMP.
What kinds of devices is this meant to power?
Anything rated 3V-12V at 24W or less: routers, webcams, CCTV cameras, DVRs, scanners, ADSL modems, USB hubs, speakers, humidifiers, TV boxes, hard drive enclosures and LED strip.
Key Features
- Input: AC 100V~240V 50/60Hz , Output: 3V 4.5V 5V 6V 7.5V 9V 12V - Max. 2A 2000mA. (compatible with less than 2A, like 300ma 350ma 400ma 500ma 750ma 800ma 900ma 1000ma 1a 1500ma 1.5a).
- DC Jack Dimensions: 5.5*2.5mm, 5.5*2.1mm, 4.8*1.7mm, 4.0*1.7mm, 3.5*1.35mm, 3.0*1.0mm, 2.5*0.7mm, Micro USB, LED terminal connector. [Please DOUBLE CONFIRM the DC jack dimensions to ensure the compatibility.]
- This multi voltage universal AC adapter can apply to most appliances which the rating input voltage is from 3V to 12V and rating power is equal to or less than 24W. Such as GPS / Webcam / Wireless Router / Recorder / Scanner / ADSL Cat / DVR / Scale / USB HUB / Switch / CCTV Camera / Speaker / Humidifier / Hard Disk Box / TV Box / LED Strip Light etc.
- The polarity of DC plug is inner Positive(+), outer Negative(-). If your device is with centre negative polarity "-", please use it with Belker polarity reversed cable together. Search "B07PMHMPMP" to find the cable on Amazon.
- Package Included: 1 x Power adapter, 1 x DC plugs kit, 1 x Switch key, 1 x Manual.
Full Specifications
| Brand | Belker |
|---|---|
| Current | AC/DC |
| Wattage | 24 |
| Amperage | 2000 milliamps |
| Power Plug | Type A - 2 pin (North American) |
| Unit Count | 1 Count |
| Connectivity | Wireless, USB |
| Model Number | WX-U40 |
| Power Source | Corded Electric |
| Compatibility | Switch |
| Input Voltage | 120 volts_of_alternating_current |
| Mounting Type | Wall Mount |
| Built-In Media | ac adapter, plugs kit |
| Connector Type | usb |
| Output Current | 2000 milliamps |
| Output Voltage | 12 volts_of_direct_current |
| Connection Type | Wireless |
| Frequency Range | 60 hertz |
| Mfr Part Number | WX-U40-W |
| Number of Items | 1 |
Ready to buy?
Belker 24W Universal 3V 4.5V 5V 6V 7.5V 9V 12V AC DC Adapter with 8 Tips 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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