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White rectangular 12V 2A power adapter with US plug and 5.5x2.1mm barrel connector

Wefomey 12V 2A 24W Power Adapter White 5.5x2.1mm US Plug

SKU CH-1EF8-QZSJX

UL-listed 12 V 2 A desktop adapter converts 100-240 V AC to 24 W DC via 5.5×2.1 mm barrel plug

  • Type12V2A24W
  • ColorWhite
  • Weight0.109 kilograms
  • UL-listed safety with built-in short-circuit, over-current, over-voltage and over-temperature protection
  • Energy Efficiency VI rating saves 10–20% electricity versus Level V
  • Universal 100–240 V AC input works worldwide at 50/60 Hz
  • 5 × 2.1 mm centre-positive barrel plug fits many 12 V devices
  • 5 ft cord gives flexible placement for cameras, LED strips, routers and more

What it is and who it is for

This Wefomey power adapter converts 100-240V AC mains to 12V DC at up to 2A and 24W. It is built for indoor devices such as LED strip lights, security cameras, routers and keyboards that draw 2000mA or less. The barrel connector measures 5.5mm by 2.1mm with centre-positive polarity.

What the bundled items change

The package supplies only the adapter unit and a 5ft output cord. No extra cables, mounting hardware or software are included, so the buyer must verify that their device uses the same 5.5x2.1mm jack and polarity before connecting.

Practical limits of the interface

The barrel connector and 24W ceiling restrict use to loads below 2A; any device requiring more current will not operate reliably. The adapter is rated for indoor ambient temperatures from -20 to 60°C and humidity up to 95% non-condensing, so outdoor or unventilated enclosures beyond those limits are unsuitable.

Highlights

  • UL-listed safety with built-in short-circuit, over-current, over-voltage and over-temperature protection
  • Energy Efficiency VI rating saves 10–20% electricity versus Level V
  • Universal 100–240 V AC input works worldwide at 50/60 Hz
  • 5 × 2.1 mm centre-positive barrel plug fits many 12 V devices
  • 5 ft cord gives flexible placement for cameras, LED strips, routers and more

Specifications

BrandWefomey
Part Number12V2A24W
Type12V2A24W
ColorWhite
Weight0.109 kilograms

Questions about this item

Does the 5.5 x 2.1 mm DC connector or the 1.5 m cord wear out first?

The 5.5 mm x 2.1 mm DC connector is rated for the adapter's 24 W output; the 1.5 m cord carries the same current and has no separate wear rating, so both age together under normal indoor use.

At full 2 A load, does the UL-listed adapter hit its 60 °C working-temperature limit before the over-temperature protection trips?

The adapter is specified for -20 °C to 60 °C ambient; internal over-temperature protection activates only if the case exceeds that range, so sustained 2 A output stays within limits in typical indoor conditions.

How much heat does the 24 W brick add to a closed cabinet after 24 hours?

At maximum 24 W output, Efficiency Level VI saves 10-20 % versus Level V, so waste heat is roughly 2-5 W — about the same as a small night-light running continuously.

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