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Compact black rectangular power brick with 4.5mm barrel connector and detachable power cord

Graviton

Graviton HA45NM140 45W 19.5V 2.31A 4.5mm*3.0mm power adapter

SKU CH-SZPG-B6A8H MPN HA45NM140

A 45 W, 19.5 V, 2.31 A adapter with a 4.5 mm × 3.0 mm tip for Dell XPS 12, XPS 13 and L321X models, power cord included

  • Compatible with Dell XPS 12 and XPS 13 models
  • 45 W output at 19.5 V 2.31 A for reliable charging
  • 5 mm by 3.0 mm barrel connector matches original port
  • 100–240 V 50–60 Hz input works worldwide
  • Power cord included in the box

Compatible Dell Adapter

The Graviton HA45NM140 is a 45W power adapter built for Dell XPS 12, XPS 13 and L321X 7437 models requiring 19.5V 2.31A output. It replaces Dell part numbers LA45NM140 and HK45NM140 and ships with a power cord included.

Input And Connector Limits

The unit accepts 100-240V at 50-60Hz worldwide and terminates in a 4.5mm by 3.0mm barrel connector. Only devices matching that exact plug geometry and the 19.5V 2.31A rating will operate correctly.

Deciding Specification

The 4.5mm*3.0mm interface combined with 19.5V 2.31A output is the single specification that determines fit; buyers whose laptops use a different connector size or voltage must select another adapter.

Highlights

  • Compatible with Dell XPS 12 and XPS 13 models
  • 45 W output at 19.5 V 2.31 A for reliable charging
  • 5 mm by 3.0 mm barrel connector matches original port
  • 100–240 V 50–60 Hz input works worldwide
  • Power cord included in the box

Specifications

No published specifications for this item yet.

Questions about this item

Which Graviton HA45NM140 version should I pick for my Dell XPS 13?

Choose the HA45NM140 model rated at 45W with a 4.5mm*3.0mm tip; it matches the 19.5V 2.31A requirement for XPS 12, XPS 13 and L321X 7437.

What does the 45W rating mean when the adapter is running a laptop?

It delivers up to 45 watts at 19.5 volts and 2.31 amps, enough to charge and power the listed Dell models under normal load.

What interface does the HA45NM140 use and what does it limit?

The adapter uses a 4.5mm*3.0mm barrel connector, which physically limits compatibility to devices accepting that exact tip size.

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