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Black rectangular wall adapter with 5.5 x 2.1 mm barrel plug and fixed mains prongs

BASEUS

BASEUS 12V 2A 24W AC Adapter 5.5 x 2.1mm Plug

SKU CH-2GKB-GAAZW

A 12V 2A 24W AC adapter with a 5.5 x 2.1mm plug, 100-240V input, and Level VI efficiency for 12V electronics

  • TypeAC Adapters
  • Universal 100-240V input powers devices worldwide
  • 5 x 2.1mm plug fits 2.5mm centre pins too
  • 12V 2A output delivers up to 24W reliably
  • Level VI efficiency saves 10-20% energy versus Level V
  • Auto-detects 50mA-2A load for safe charging

What it powers

This 12 V 2 A AC adapter delivers 24 W to devices that use a 5.5 mm × 2.1 mm barrel plug with positive centre polarity. The tip also accepts 2.5 mm pins, so it fits a wide range of routers, CCTV cameras, LED strips, Bluetooth speakers, webcams and similar 12 V electronics.

Sustained operation

Rated for continuous 2 A output, the unit maintains a stable 12 V DC supply across the full 100–240 V AC, 50/60 Hz input range. Level VI efficiency reduces waste heat during long runs, and the intelligent current detection supplies only the amperage each device requests, from 50 mA up to the 2 A maximum.

Before you order

Confirm that your equipment requires exactly 12 V DC with centre-positive polarity and a 5.5 mm × 2.1 mm (or 2.5 mm) barrel jack. Check the device label for its current draw; this adapter covers anything up to 2 A, but it cannot power loads that need higher voltage, reverse polarity or a different connector type.

Highlights

  • Universal 100-240V input powers devices worldwide
  • 5 x 2.1mm plug fits 2.5mm centre pins too
  • 12V 2A output delivers up to 24W reliably
  • Level VI efficiency saves 10-20% energy versus Level V
  • Auto-detects 50mA-2A load for safe charging

Specifications

TypeAC Adapters

Questions about this item

How much heat or noise does the 24W adapter produce when running continuously?

The Level VI efficiency rating means less wasted energy, so the unit stays cooler and runs silently during all-day use.

What must I already have for the 5.5 x 2.1 mm plug to connect?

Your device needs a DC barrel jack that accepts a 5.5 mm outer diameter and 2.1 mm centre pin with positive centre polarity.

Can the auto-detect current feature safely power older 12V gear that draws only 100 mA?

Yes, the adapter automatically adjusts output from 50 mA up to 2 A, so legacy 12V equipment drawing low current works without modification.

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