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Black rectangular AC adapter with long power cord

WAWEIS

WAWEIS 150W AC Adapter for HP Omen 15-ax256nr 15-ax257nr 19.5V 7.7A

SKU CH-7VZT-3CX7F

Replacement 150W AC adapter for HP Omen 15-ax256nr and 15-ax257nr laptops with 19.5V 7.7A output and ten-foot cord

  • World-wide 100-240V input lets you charge anywhere
  • 10 ft power cord gives extra reach at the desk
  • Over-voltage, over-current, short-circuit and total-power protection keep the laptop safe
  • FCC, CE and RoHS certified for verified compliance
  • 150W output at 19.5V 7.7A matches the original Omen 15-ax256nr and 15-ax257nr spec

Replacement AC Adapter for HP Omen 15-ax256nr

This 150W power supply delivers 19.5V at 7.7A to charge compatible HP Omen notebooks. It is built as a direct replacement for the original charger supplied with the listed models. The unit accepts a worldwide input range of 100-240VAC at 50/60Hz for international use.

Verify your laptop model

Confirm that your device is either the 15-ax256nr or 15-ax257nr to ensure the connector fits and the voltage matches. Check that your original adapter specifies the same 19.5V output and 150W rating to avoid underpowering the system. The package includes a 10 Ft power cord for flexible outlet placement.

Safety protections and certifications for daily

The adapter integrates over current protection, total power protection, over voltage protection and short circuit protection. Additional safeguards include overload protection with high quality wires, over-charge and over-discharge protection, overheating protection via a smart chip and anti-interference isolation materials. It carries FCC, CE and RoHS certifications.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $44.99
Pricier than about 77% of the 27,790 comparable items (median $30.99).

Specifications

No published specifications for this item yet.

Questions about this item

Does the package include both the mains lead and the laptop connector, or must the UK plug cord be purchased separately?

The adapter ships with a 10 ft power cord and the DC output cable attached, so no extra mains lead or tip is required.

My HP Omen is a 15-ax256nr; will the 19.5 V 7.7 A rating match the original charger?

Yes — the 19.5 V 7.7 A 150 W output matches the factory specification for both the 15-ax256nr and 15-ax257nr models.

What does the 150 W rating mean when the adapter is running a heavy gaming load?

It can continuously deliver up to 150 W (19.5 V at 7.7 A) with overload, over-voltage and short-circuit protection active.

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