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Black rectangular power brick with detachable AC cord and barrel-tip DC cable

WAWEIS

WAWEIS 120W AC/DC Adapter for HP Envy 17-j178ca laptop charger

SKU CH-CZB9-HSZEP

120W AC/DC adapter for HP Envy 17-j178ca with 10 ft cord and safety protections

  • World-wide 100-240 V input lets you charge anywhere
  • 10 ft total cord length gives flexible placement
  • FCC, CE and RoHS certifications confirm safety compliance
  • Multiple protections guard against over-current, over-voltage and short circuits
  • 100 % compatibility assured for the HP Envy 17-j178ca

Targeted power replacement

This 120W AC/DC adapter is built specifically for the HP Envy 17-j178ca notebook. It delivers a direct 100% compatible power supply for owners needing a new or spare charger. The unit is brand new and manufactured with high-quality materials to meet original device specifications.

Worldwide input with safety protections

The adapter accepts a wide 100-240VAC input at 50/60Hz for global use. Integrated safety features include over-current, over-voltage, short-circuit and total power protection. A smart chip adds overheating protection while better isolation materials provide anti-interference performance.

Ten-foot cord for flexible placement

A total 10 ft power cord length gives ample reach between the wall outlet and the laptop. The package includes the adapter and cord only, so buyers must retain or source any separate AC inlet cable if required. No battery is included or required for this charger type.

Highlights

  • World-wide 100-240 V input lets you charge anywhere
  • 10 ft total cord length gives flexible placement
  • FCC, CE and RoHS certifications confirm safety compliance
  • Multiple protections guard against over-current, over-voltage and short circuits
  • 100 % compatibility assured for the HP Envy 17-j178ca

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the WAWEIS 120W adapter and which step is commonly missed?

Connect the DC plug to the HP Envy 17-j178ca, attach the AC cord to the brick, then plug into a 100-240VAC 50/60Hz outlet. The step often missed is securing the AC cord fully into the adapter body before powering on.

What maintenance or replacement will this charger need later?

The 10 ft power cord and DC cable can wear from bending; inspect them periodically. The internal smart chip and protection circuits are sealed — no user-serviceable parts. Replace the unit if the cord insulation cracks or the connector becomes loose.

What limit appears first under sustained heavy load?

The 120W maximum output is the first limit; continuous demand at or above that level triggers over-current and over-temperature protection, causing the adapter to shut down until it cools.

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