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Black rectangular 18W AC adapter with 5.5 mm barrel connector

GlobTek

GlobTek GT-46180-1812 18W 12V 1.5A power adapter

SKU CH-4C5J-Y8Z36 MPN GT-46180-1812

An 18 W, 12 V, 1.5 A AC adapter with a 5.5 mm × 2.1 mm barrel connector and 100-240 V input for worldwide use

  • Globally compatible input from 100-240V~0.6A 50-60Hz
  • Steady 12V 1.5A output delivers 18W of reliable power
  • Secure 5.5 mm x 2.1 mm barrel connector ensures firm fit
  • Built-in safeguards protect against incorrect voltage, short circuit, and overheating
  • Genuine GlobTek GT-46180-1812 quality manufactured with top-grade materials

Compact 18 W AC adapter for 12 V devices

The GlobTek GT-46180-1812 delivers 12 V at 1.5 A for a total of 18 W. It accepts a universal 100-240 V input at 50-60 Hz, making it suitable for worldwide mains voltages. The barrel connector measures 5.5 mm outer diameter with a 2.1 mm centre pin. This unit is intended for equipment that matches the stated output and connector size.

Thermal behaviour and power draw

The adapter draws up to 0.6 A from the AC line under full load. Built-in safeguards protect against incorrect voltage, short circuit and internal overheating. No active cooling is present, so the enclosure dissipates heat passively during normal operation. Audible noise is limited to the faint hum typical of small switch-mode supplies.

Build quality and connector implications

The housing may show minor cosmetic marks such as scratches or dust that do not affect function. Each unit is tested for intact cables, secure power jacks and absence of internal loose particles. The fixed 5.5 mm × 2.1 mm barrel plug means the adapter only fits devices with a matching socket. Buyers whose equipment requires a different connector diameter or polarity cannot use this model.

Highlights

  • Globally compatible input from 100-240V~0.6A 50-60Hz
  • Steady 12V 1.5A output delivers 18W of reliable power
  • Secure 5.5 mm x 2.1 mm barrel connector ensures firm fit
  • Built-in safeguards protect against incorrect voltage, short circuit, and overheating
  • Genuine GlobTek GT-46180-1812 quality manufactured with top-grade materials

Specifications

ModelGT-46180-1812

Questions about this item

How do I connect the 5.5 mm × 2.1 mm barrel plug to my device and what polarity mistake should I avoid?

Align the centre pin as positive and the outer sleeve as negative before pushing the 5.5 mm plug fully into the device jack; reversing polarity can damage the equipment.

Which part of the GT-46180-1812 is most likely to need replacement after extended use?

The output cable and barrel connector typically wear first from repeated flexing; the sealed adapter body has no user-serviceable parts.

At what load does the 12 V 1.5 A output hit its sustained limit?

Continuous draw above 1.5 A or 18 W triggers the internal over-current and thermal protection, shutting the unit down until it cools.

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