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Black rectangular AC adapter with long detachable power cord

WAWEIS

WAWEIS 120W AC/DC Adapter for HP Envy 17-n178ca Touch

SKU CH-J3AE-V7E6H

120W AC/DC adapter with 10 ft cord powers HP Envy 17-n178ca Touch and includes over-voltage, over-current and short-circuit protection

  • World-wide 100-240V input works anywhere
  • 10 ft cord gives flexible placement
  • Multiple safety protections guard the notebook
  • FCC, CE and RoHS certified for compliance
  • 120W output matches original charger specs

Power Supply Compatibility

This 120W AC/DC adapter is built to replace the original charger for the HP Envy 17-n178ca Touch notebook. It delivers the exact voltage and current the laptop requires for daily operation and battery charging.

Cable Length and Safety Features

A total 10 Ft power cord provides flexible placement between the wall outlet and the desk. Integrated protection covers over current, over voltage, short circuit and total power events, while the smart chip adds overheating guard.

Certifications and Input Range

The unit carries FCC, CE and RoHS certifications and accepts world wide input voltage from 100 to 240VAC at 50 or 60Hz. It is not suited for devices that demand a higher wattage or a different connector type.

How it compares

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

Price $28.99
Typical for this category: the median of 27,790 items is $30.99.

Specifications

No published specifications for this item yet.

Questions about this item

Will the 10 ft power cord or the adapter unit itself need replacing first?

The 10 ft power cord is the most likely part to wear out from repeated bending or accidental damage, while the adapter unit has no moving parts and is built with overload and short-circuit protection.

What stops the 120 W adapter from delivering full power during a long charge session?

The adapter’s over-temperature protection will reduce output if internal heat builds up during sustained 120 W operation, so adequate airflow around the brick is the practical limit.

How much heat and noise does the adapter produce when left plugged in all day?

The adapter runs silently with no fan; it will become warm to the touch under continuous load but stays within safe limits thanks to overheating protection and FCC, CE, RoHS certified design.

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