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White rectangular AC adapter with 4.9FT cable and interchangeable DC plugs

BASEUS

BASEUS 12V 3A 36W AC Adapter White 4.9FT

SKU CH-Z8CW-Q231Q

Supplies 12 V DC at up to 3 A (36 W) from 100–240 V AC with ten interchangeable plugs and a 4.9 ft cord

  • TypeAC Adapters
  • Worldwide voltage input 100-240V AC 50/60Hz
  • Regulated 12V 3A DC output 36W maximum
  • Ten interchangeable barrel plugs 5.5x2.1mm to 3.0x1.1mm
  • Centre-positive polarity matches most 12V devices
  • 9ft power cord gives flexible placement

What this adapter powers

This 12V 3A AC adapter delivers up to 36W of DC power from a 100V to 240V mains supply. It includes ten interchangeable DC plugs covering common barrel sizes such as 5.5 x 2.1 mm and 3.5 x 1.35 mm. The centre-positive polarity suits most 12V household and office electronics.

Sustained-load behaviour

The unit is rated for a continuous 3A maximum output, so it will maintain 12V at loads up to 3000mA without time limits. Lower-draw devices at 500mA or 800mA run equally steadily. The 4.9FT cord keeps the transformer away from the device, helping heat dissipate during extended use.

Replacement scope and when to upgrade

It replaces a lost or failed 12V supply for LED strips, security cameras, Bluetooth speakers, 3D printers and similar gear. The multi-tip kit covers 90 percent of typical barrel-jack sizes, but devices needing more than 3A or a different voltage will require a separate adapter.

Highlights

  • Worldwide voltage input 100-240V AC 50/60Hz
  • Regulated 12V 3A DC output 36W maximum
  • Ten interchangeable barrel plugs 5.5x2.1mm to 3.0x1.1mm
  • Centre-positive polarity matches most 12V devices
  • 9ft power cord gives flexible placement

Specifications

TypeAC Adapters

Questions about this item

Does the 36 W adapter stay cool and quiet when powering a 12 V LED strip all day?

The unit is a compact switch-mode supply with no fan, so it runs silently; typical efficiency at 12 V 3 A keeps the case warm but not hot during continuous operation.

Which of the ten included DC plugs matches my device's 5.5 × 2.1 mm jack?

The kit contains a 5.5 × 2.1 mm plug (also compatible with 5.5 × 2.5 mm) plus nine other sizes and a terminal connector for screw-terminal devices.

Will this 100–240 V input adapter replace the original 12 V 2 A brick on my older CCTV camera?

Yes — the 12 V 3 A output covers any 12 V load up to 3 A, and the centre-positive polarity matches most legacy CCTV power jacks.

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