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Black rectangular AC adapter with US two-prong plug and 6.5mm 4.4mm barrel connector

BASEUS

BASEUS 14V 42W AC Adapter 6.5mm 4.4mm Pin

SKU CH-DT9R-4PDMM

A 14 V 42 W AC-to-DC adapter with a 6.5 × 4.4 mm centre-pin barrel connector for compatible desktop monitors

  • Product typeAC Adapters
  • Stable 14 V 42 W output runs compatible monitors smoothly
  • Backwards compatible with 2.5 A, 2.14 A and 1.78 A 14 V devices
  • 5 mm outer and 4.4 mm inner diameter barrel with centre pin fits specific ports
  • Built-in IC protection guards against over-current and short-circuit faults
  • US 2-prong AC cord included for direct wall connection

14V 42W AC Adapter for Monitors

This AC to DC power adapter delivers a stable 14V 3A output rated at 42W maximum. It is designed as a replacement supply for compatible desktop displays and curved screens that require exactly 14 volts. Buyers who need a higher voltage for gaming monitors or other brands cannot use this unit.

6.5mm × 4.4mm Barrel Connector with Pin

The DC tip features a 6.5 mm outer diameter and 4.4 mm inner diameter with a central pin. This specific barrel plug design must match the monitor's power port exactly for a secure connection. A standard US 2-prong AC wall cord is included for mains connectivity.

Backwards Compatible Current Support

The adapter supports devices drawing 2.5A, 2.14A or 1.78A at 14V, allowing it to power screens with lower current requirements. Built-in IC protection safeguards against over-current conditions during operation.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $21.99
Cheaper than about 68% of the 27,790 comparable items (median $30.99).

Specifications

Product
Product typeAC Adapters

Questions about this item

Will the 6.5mm by 4.4mm barrel connector wear out and need replacement?

The DC tip uses a fixed 6.5mm outer and 4.4mm inner diameter with a centre pin; it is not a modular part, so the whole adapter would be replaced if the connector fails.

What limits continuous operation at the 42W maximum?

The adapter is rated for 14V 3A (42W max) with built-in IC protection against over-current; sustained loads at that level are the design ceiling.

How much heat or noise does the unit produce when powering a monitor all day?

It is a fanless AC-to-DC brick with a standard US 2-prong cord; normal operation is silent and runs warm to the touch under full 42W load.

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