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Compact black wall adapter with 5.5 mm × 2.5 mm barrel plug

BASEUS

BASEUS 12 V 1 A AC Adapter 5.5 mm × 2.5 mm Center Positive

SKU CH-0K0V-7MPK4

Delivers 12 V at 1 A with a 5.5 mm × 2.5 mm centre-positive barrel plug for LED strips, CCTV cameras and routers

  • TypeAC Adapters
  • Universal 100-240 V input suits worldwide mains
  • 12 V 1 A output powers devices up to 12 W
  • 5 mm × 2.5 mm barrel plug with centre-positive polarity
  • Smart-chip protection against over-temperature short-circuit over-voltage and over-current
  • Compatible with LED strips CCTV cameras routers and other 12 V equipment

Compact 12 V power adapter

This 12 V 1 A AC adapter delivers up to 12 W of regulated DC power from a 100–240 V mains supply. The 5.5 mm × 2.5 mm centre-positive barrel plug fits a wide range of low-power 12 V equipment such as LED strips, CCTV cameras and routers. It is not a battery charger and suits only devices drawing 1 A or less.

Thermal and electrical protection

A built-in smart chip provides over-temperature, over-voltage, over-current, under-voltage and short-circuit cut-off. The protections activate automatically so the adapter runs without a fan and stays quiet during continuous operation. No external cooling or special ventilation is required for normal indoor use.

Plug-and-play convenience

The unit ships with a fixed mains cable and the barrel output lead ready to connect. No driver installation, configuration software or additional accessories are included or needed. Simply match the plug polarity and current rating to the target device and power it on.

Highlights

  • Universal 100-240 V input suits worldwide mains
  • 12 V 1 A output powers devices up to 12 W
  • 5 mm × 2.5 mm barrel plug with centre-positive polarity
  • Smart-chip protection against over-temperature short-circuit over-voltage and over-current
  • Compatible with LED strips CCTV cameras routers and other 12 V equipment

Specifications

TypeAC Adapters

Questions about this item

How do I connect the 5.5 mm × 2.5 mm barrel plug and avoid the polarity mistake?

Align the centre-positive tip with the device socket, push firmly until seated, then plug the AC side into a 100-240 V 50-60 Hz outlet.

What part of this adapter is most likely to wear out first?

The DC output cord and barrel plug endure repeated flexing; inspect them periodically for exposed conductors or a loose fit.

At what load does the over-current protection engage during continuous operation?

The smart chip cuts output if the draw exceeds 1 A, so sustained loads above 1000 mA will trigger the over-current cut-off.

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