# Weishuo 12V 20A 240W Switching Power Supply

Weishuo 12V 20A 240W Switching Power Supply is an AC-to-DC unit listed for indoor use. Its listing specifies a 110V–230V AC input and adjustable 12V DC output, with a recommendation to keep long-term connected-device demand at or below 80% of rated power.

- [Original product page](https://bargainpostbox.co.uk/product/weishuo-12v-20a-240w-switching-power-supply)
- [View offer](https://bargainpostbox.co.uk/visit/weishuo-12v-20a-240w-switching-power-supply)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Weishuo
- Price: 15.19 GBP
- Previous price: 18.99 GBP
- Discount: 20%
- Price checked: 2026-11-13T06:00:00.203Z
- Rating: 4.4 / 5
- Reviews: 34

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Auto-adapting 110V–230V AC input is listed as compatible with UK 230V mains.
- 12V DC output is specified at up to 20A and 240W, with ±10% voltage adjustment.
- The listing names short-circuit, overload and overvoltage protection.
- Manufacturer-listed applications include LED strips, 3D printers, CCTV, amplifiers and computer projects.

## Pros

- Adjustable output voltage offers some flexibility for compatible 12V equipment.
- The stated 240W maximum gives a clear upper rating, while the listing recommends a lower load for stable long-term operation.

## Cons

- Indoor-only use excludes outdoor and damp installations.
- The listing recommends professional installation by a qualified electrician, so this may not suit buyers seeking a ready-to-connect consumer adapter.

## Specifications

### Identity
- Brand: Weishuo
### Power and output
- Power configuration: AC
- Input and output: AC 110V-230V input \(compatible with UK 230V mains\), Output: DC 12V 20A \(240W max power\).
- Output adjustment: The output voltage supports ±10% adjustment
- Long-term load guidance: ensure the connected device's power does not exceed 80% of the rated 240W for stable long-term use
### Protection and compliance
- Listed protections: Short Circuit Protection, Overload Protection, and Over Voltage Protection
- Specification met: RoHS
### Dimensions and installation
- Dimensions listed: 4.9D x 11W x 4.9H centimetres
- Use and installation: Designed for indoor use only, not suitable for outdoor or damp environments.

## Before you buy

- The manufacturer recommends keeping connected-device power at or below 80% of 240W for stable long-term use. It also advises checking connections before powering on and recommends installation by a qualified electrician. Do not use outdoors or in damp environments.

## A good fit for

- Indoor projects needing a 12V DC supply, such as compatible LED strips, CCTV equipment or hobby electronics.
- Buyers who can confirm their equipment's voltage, current and power requirements and arrange suitable installation.

## Less suited to

- Outdoor or damp locations.
- Equipment requiring a different output voltage or more power than the listed supply can provide.

## Customer feedback

Aggregate ratings lean positive, with most ratings in the five-star category, but a smaller share are lower. Without customer comments, the reasons behind those ratings are unknown. For buyers considering an indoor 12V supply, the rating distribution does not confirm installation ease, output performance or suitability for a particular device.

## Frequently asked questions

### Can it be used with UK mains?
The listing specifies 110V–230V AC input and says it is compatible with UK 230V mains, with automatic input adaptation.
### What is the maximum listed output?
The listing gives a 12V DC output at 20A, with 240W maximum power. It recommends keeping connected-device demand at or below 80% of 240W for stable long-term use.
### Can the output voltage be adjusted?
Yes. The listing says output voltage supports ±10% adjustment. Confirm the required voltage for your device before connecting it.
### Is it suitable for outdoor use?
No. The listing says it is for indoor use only and is not suitable for outdoor or damp environments.

## Images

![Weishuo 12V 20A 240W Switching Power Supply — 1](https://bargainpostbox.co.uk/i/PtBTWWHx8cCWYURbH88EwZbxax_Fj6NuLEUzvoJTYvPBHGmlengRX7s0BKPCa1p4CYENnqtUCP7k9g4Z1uRoZI2HufQc3GO6rj_mxh50tHrk_ggfUqwB.jpg)

![Weishuo 12V 20A 240W Switching Power Supply — 2](https://bargainpostbox.co.uk/i/CrLWRlvUoeztUjpgE0TWteeRs3BwqSvRxLSBZxm5K2ZEVgVGgKVa84ZsfdnAV9Ewh0roJFa90g5anmmPNTraiwVppyKZfB90UQjKsnWhZ_WW9yQbnApN.jpg)

![Weishuo 12V 20A 240W Switching Power Supply — 3](https://bargainpostbox.co.uk/i/Bvw7YbYqxKBKjVwokhLqApn8lu0wnbsyb8zGaWRzNhLIqwlOoetWSkNRVZ6kd51dqLbCn5gBuHeHUSO4Uf39honRewTp0JtfyaotZMSqT5nK20MqlNjp.jpg)

![Weishuo 12V 20A 240W Switching Power Supply — 4](https://bargainpostbox.co.uk/i/8m4QxxxmdWNEIoGd_5E5ToJtUS7E_uvbT6KeCUNw7CGhXLKSMcuE7rkMIF_--wIt1Xw_rqlAKFbsBUE_vJzY5_pD0yMnezwBo0VYv7xc8x2-DekUZ9Zq.jpg)

![Weishuo 12V 20A 240W Switching Power Supply — 5](https://bargainpostbox.co.uk/i/pvbULuByrVQ5z3Xl7FaHQrp9ugtbs_aojIaqiP89krVi1keJxQENhOTuVYlXAdqQfzKe1jOQOc6svoxJOHnT-yW2o4vkrnVCjxOR2OalZiAQg2BE3YLv.jpg)

![Weishuo 12V 20A 240W Switching Power Supply — 6](https://bargainpostbox.co.uk/i/hcKG3prVMooRUk4f_fay5sqcSjl6EppvicYsLuaa6bH1DBYwb7r31y1H0QfD_ql3YQmcgGvkhP3y6WGvt7dEpjdsiF2OMplYOcpuWKLgzJCVIXvLmLlQ.jpg)

![Weishuo 12V 20A 240W Switching Power Supply — 7](https://bargainpostbox.co.uk/i/WgoaD-B4xtunccC4G5jlRshZlnSeA5gw4refwQLSBeeL8FhV7U-UZA59gFqh0loUIGIaGftCx7yIOPhF1V2XKKnZS6LshzUXVUN9ES3Y5J_vKJOsZBCm.jpg)