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Rectangular black power brick with green LED and three-prong plug

NShi

NShi 240W 19.5V 12.3A AC Adapter for Dell Alienware Precision laptop replacement part

SKU CH-THZQ-C4NF7

240W replacement charger with 7.4mm×5.0mm connector for Alienware and Precision laptops

  • 240W output powers demanding Alienware and Precision laptops
  • 5V 12.3A matches original Dell PA-9E specifications exactly
  • 100-240V input works worldwide without a voltage converter
  • 4mm x 5.0mm connector with central pin fits listed models
  • Power LED indicator confirms charging status at a glance

240W 19.5V Adapter for Alienware Precision

This 240W AC adapter delivers 19.5V at 12.3A through a 7.4mm x 5.0mm connector with a central pin. It replaces Dell part numbers including PA-9E, 330-4128, and 450-18931. The unit accepts 100-240V input for worldwide use and includes a three-prong power cord and LED indicator.

Suits owners of listed Alienware M17x M18x X51

Buyers with compatible Dell Alienware M17x R1 through R4, M18x, M18x R2, X51, or Precision M4700 M6400 M6500 M6600 M6700 M6800 laptops can use this replacement. Users needing a different voltage, amperage, or connector size should look elsewhere.

Connector size 7.4mm x 5.0mm with central pin

The barrel connector measures 7.4mm outer diameter by 5.0mm inner diameter and includes a central pin. This specific geometry is the single specification that determines whether the adapter will physically fit and electrically mate with the laptop power jack.

Highlights

  • 240W output powers demanding Alienware and Precision laptops
  • 5V 12.3A matches original Dell PA-9E specifications exactly
  • 100-240V input works worldwide without a voltage converter
  • 4mm x 5.0mm connector with central pin fits listed models
  • Power LED indicator confirms charging status at a glance

Specifications

No published specifications for this item yet.

Questions about this item

What does the 19.5V 12.3A output cap in practice?

The adapter delivers 240W at 19.5V 12.3A, matching the original PA-9E specification for supported Alienware and Precision laptops.

What physical connector does this charger use?

It uses a 7.4mm×5.0mm barrel connector with a central pin inside, compatible with the listed Dell models.

How is it installed, and what step do people get wrong?

Plug the 3-prong power cord into the adapter brick, then insert the barrel tip fully until the LED lights; a loose tip prevents charging.

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