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Slim black rectangular power brick with 7.4mm by 5.0mm barrel connector

Barrow Mods

Barrow Mods 240W 19.5V 12.31A power adapter 7.4mm*5.0mm

SKU CH-N147-DQJN5

Slim 240W adapter delivers 19.5V 12.31A via a 7.4mm*5.0mm connector for Dell Precision and Alienware laptops

  • Delivers 240W for demanding Dell Precision and Alienware laptops
  • Wide 100-240V input suits travel, home or office use
  • Slim 7.4mm x 5.0mm connector fits listed Dell models
  • Smart circuit adds over-current, over-voltage and short-circuit protection
  • 5V 12.31A output matches original LA240PM200 part specifications

240W Dell Precision Power Adapter

This 240W AC adapter delivers 19.5V at 12.31A through a 7.4mm by 5.0mm barrel connector. It accepts a universal 100-240V input at 50-60Hz for worldwide use. The slim, lightweight design suits travel, home or office environments. An internal smart circuit provides over-current, over-voltage, short-circuit, over-heating, overload, surge and under-voltage protection.

Suits Dell Precision and Alienware owners

The adapter matches the listed Dell Precision mobile workstations and Alienware 15 and 17 models using the specified part numbers. It replaces original chargers rated at 240W or 180W with the same connector. Buyers needing a different output voltage, a higher wattage or an alternative connector size should look elsewhere.

Connector size decides compatibility

The barrel plug measures 7.4mm outer diameter by 5.0mm inner diameter; this single dimension determines whether the adapter fits the laptop power jack. Verify the connector against the original charger or the service manual before purchase. The package includes the adapter and a mains power cord.

Highlights

  • Delivers 240W for demanding Dell Precision and Alienware laptops
  • Wide 100-240V input suits travel, home or office use
  • Slim 7.4mm x 5.0mm connector fits listed Dell models
  • Smart circuit adds over-current, over-voltage and short-circuit protection
  • 5V 12.31A output matches original LA240PM200 part specifications

Specifications

No published specifications for this item yet.

Questions about this item

Does the 7.4 mm by 5.0 mm connector fit the Dell Precision 7770?

Yes, the adapter lists the Precision 7770 among its compatible models and the barrel size matches the 7.4 mm by 5.0 mm specification.

What is the installation step users often miss when replacing the original LA240PM200 unit?

Connect the AC cord to the adapter first, then plug the barrel into the laptop before switching on the mains; reversing the order can trigger the over-voltage protection.

When should the AC power cord be replaced on this 240 W adapter?

Replace the cord if the plug pins become loose, the insulation shows cracks, or the adapter intermittently loses power when the cord is moved.

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