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Black rectangular AC adapter with 7.4x5.0mm barrel connector and detachable power cord

Graviton

Graviton 65W 19.5V 3.34A AC Adapter 7.4x5.0mm

SKU CH-JH1G-VQ4R5

65 W AC adapter with 7.4×5.0 mm barrel plug powers Dell Latitude and Inspiron laptops from 100–240 V input

  • 65 W output powers compatible Dell laptops reliably
  • 5 V 3.34 A matches original adapter specifications
  • 4 x 5.0 mm centre-pin plug fits listed models
  • 100–240 V 50–60 Hz input works worldwide
  • CE certified for European safety compliance

What it is and who it is for

The Graviton 65W AC adapter supplies 19.5V at 3.34A to compatible Dell laptops. It replaces a lost or damaged original charger for Latitude and Inspiron models listed in the compatibility data. The unit includes a detachable mains cord with EU, US, UK or AU plug options. Buyers needing a higher wattage unit or a different barrel size should look elsewhere.

The specification that decides fit

The critical match is the 7.4x5.0mm barrel connector with a centre pin. Only laptops that accept this exact plug geometry and the 19.5V 3.34A output will charge correctly. Verify the original adapter part number against LA65NM130, DA65NM130 or HA65NM130 before ordering. A mismatched tip or voltage will prevent operation.

Capacity and headroom

At 65W the adapter comfortably powers the listed Latitude 3330, 3340, 3440, 3450, 3540, 3550, E5250, E5440, E5450, E5540, E5550, E6440, E6540, E7240, E7250, E7270, ST, XT3, 6430U, E6330, E6230 and Inspiron 14, 14R, 14Z, 15, 15R, 15Z systems under normal loads. It reaches its limit when the laptop draws sustained maximum power while charging a depleted battery, at which point charge speed may reduce.

Highlights

  • 65 W output powers compatible Dell laptops reliably
  • 5 V 3.34 A matches original adapter specifications
  • 4 x 5.0 mm centre-pin plug fits listed models
  • 100–240 V 50–60 Hz input works worldwide
  • CE certified for European safety compliance

Specifications

No published specifications for this item yet.

Questions about this item

What does the 65 W rating mean when the adapter is powering a laptop?

It means the unit can supply up to 19.5 V at 3.34 A continuously, enough to run and charge compatible Dell Latitude and Inspiron models under normal load.

The input says 100-240 V 50-60 Hz — what does that cover in practice?

It accepts mains voltages from 100 V to 240 V at either 50 Hz or 60 Hz, so the same adapter works on EU, US, UK and AU grids with the appropriate plug.

Will the 7.4x5.0 mm centre-pin plug fit my Dell Latitude 3340?

Yes, the 7.4 mm outer diameter, 5.0 mm inner diameter barrel with a centre pin matches the charging port on the Latitude 3340 and the other listed models.

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