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Black rectangular AC adapter with 7.4 by 5.0mm barrel connector and US power cord

myVolts

myVolts 90W 19V 7.4*5.0mm AC adapter for HP Compaq

SKU CH-E7PY-FK0ST

90 W 19 V AC adapter with 7.4×5.0 mm connector for HP Compaq notebooks, includes US power cord

  • Works worldwide with 100-240V input
  • Delivers 90W at 19V 4.74A for reliable charging
  • Fits HP laptops via 7.4*5.0mm connector
  • Replaces multiple HP part numbers including 391173-001
  • Compatible with many HP Compaq, Pavilion and EliteBook models

90W AC Adapter for HP Compaq Notebooks

This 90 watt AC adapter replaces original HP and Compaq power supplies for a wide range of business and consumer notebooks. It ships with a US power cord and is ready for immediate use. The unit is new and includes a twelve month warranty from the supplier.

7.4 by 5.0mm Connector Fit

The barrel connector measures 7.4 millimetres outer diameter by 5.0 millimetres inner diameter, matching the original HP part numbers listed. Verify this exact size on your laptop before ordering, as other HP models use different tip dimensions that will not connect.

Continuous 90W Output at 19 Volts

The adapter delivers a steady 19 volts at 4.74 amps for a full 90 watts under sustained load, not just in brief peaks. Input accepts 100 to 240 volts at 50 to 60 hertz, so it operates worldwide with only a cord change.

Highlights

  • Works worldwide with 100-240V input
  • Delivers 90W at 19V 4.74A for reliable charging
  • Fits HP laptops via 7.4*5.0mm connector
  • Replaces multiple HP part numbers including 391173-001
  • Compatible with many HP Compaq, Pavilion and EliteBook models

Specifications

No published specifications for this item yet.

Questions about this item

What does the 90 W rating mean when the adapter is plugged into a laptop?

The adapter can supply up to 19 V at 4.74 A, delivering a maximum of 90 W to power the notebook and charge its battery simultaneously.

What input voltage range does the power supply accept, and what does that cap in practice?

It accepts 100-240 V at 50-60 Hz, so it works on mains power worldwide without a voltage converter.

Will the 7.4*5.0 mm connector fit my HP Compaq notebook?

The 7.4 mm by 5.0 mm barrel plug matches the HP/Compaq part numbers listed, including models such as the nc6300, nx7400 and EliteBook 6930p.

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