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Black rectangular power adapter with 5.5x2.5mm barrel plug and detachable mains lead

BASEUS

BASEUS 12V 5A Universal AC Adapter 50/60Hz 4A 3.5A 3A 5.5x2.5mm Aquarium Lamps

SKU CH-38T8-FF7QJ

A universal 100-240V AC adapter delivering 12V DC up to 5A through a 5.5x2.5mm plug, with overload, over-voltage, over-temperature and short-circuit protection for LED strips, aquarium lamps.

  • TypeAC Adapters
  • Delivers stable 12 V power at up to 5 A
  • Universal 100–240 V input works worldwide on 50/60 Hz mains
  • 5 × 2.5 mm barrel jack also fits 5.5 × 2.1 mm devices
  • Multiple smart-chip protections guard against overload, over-voltage, over-temperature and short-circuit
  • Includes free female DC connector for solder-free wiring

Universal 12 V power adapter for low-voltage devices

This BASEUS adapter converts 100-240 V mains power at 50/60 Hz into a regulated 12 V DC output. It is designed for equipment such as LED strip lights, aquarium lamps, speakers, CCTV cameras and magnetic bike trainers that require a 5.5 x 2.5 mm barrel connector.

Thermal and electrical behaviour in normal use

The unit incorporates multiple protection circuits including overload, over-voltage, over-temperature and short-circuit cut-off. These features limit heat build-up and prevent damage when the connected load approaches the maximum 5 A rating. Indoor use only is specified by the manufacturer.

Included accessories and their practical effect

A free female DC connector is supplied so wires can be attached without soldering. The 5.5 mm x 2.5 mm plug is also compatible with 5.5 mm x 2.1 mm sockets, widening the range of devices that can be powered directly from the adapter.

Highlights

  • Delivers stable 12 V power at up to 5 A
  • Universal 100–240 V input works worldwide on 50/60 Hz mains
  • 5 × 2.5 mm barrel jack also fits 5.5 × 2.1 mm devices
  • Multiple smart-chip protections guard against overload, over-voltage, over-temperature and short-circuit
  • Includes free female DC connector for solder-free wiring

Specifications

TypeAC Adapters

Questions about this item

How do I connect the 5.5x2.5mm plug to a device that uses a 5.5x2.1mm jack?

The included plug fits both sizes directly; if you need bare-wire connections, use the supplied female DC connector to attach wires without soldering.

What ongoing care does the adapter require after installation?

No scheduled maintenance is needed; keep the unit in a dry indoor location, ensure ventilation openings stay clear, and replace the adapter only if the overload, over-voltage, over-temperature or short-circuit protections trigger permanently.

What is the first limit reached when the adapter runs continuously at full load?

The 5A maximum output current is the primary limit; sustained draw above 5A activates the automatic overload cut-off, and prolonged high current can also trip the over-temperature protection before any other threshold.

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