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Black rectangular AC adapter with EU power cord and 5.5x1.7mm barrel connector

Graviton

Graviton AC Adapter 19V 4.74A 90W 5.5x1.7mm

SKU CH-0B2S-1NXHZ

Replacement 90W 19V 4.74A charger with 5.5x1.7mm tip for listed Acer Aspire models

  • Delivers 90 W of reliable power for compatible Acer laptops
  • 19 V / 4.74 A output matches original adapter specifications
  • 5 × 1.7 mm barrel connector fits listed Acer models directly
  • 100–240 V 50–60 Hz input works on mains worldwide
  • CE certified and includes a matching power cord

AC adapter for Acer laptops

This 90W power supply delivers 19V at 4.74A through a 5.5x1.7mm barrel connector. It matches the HP-A0904A3 and PA-1900-34 part numbers used across numerous Acer Aspire and V series models. The unit accepts 100-240V input at 50-60Hz for worldwide use. A CE mark confirms basic safety compliance.

Straightforward plug-in replacement

Installation requires only connecting the barrel tip to the laptop and the IEC cord to a wall socket. The critical step is verifying that the device needs exactly 19V and 4.74A with a 5.5x1.7mm plug; mismatched voltage or tip size will prevent charging or cause damage. Polarity is centre-positive, which is standard for the listed Acer models. No drivers or configuration are involved.

Suits owners of listed Acer notebooks

Buyers with an Aspire V3-571G, V5-561G, E5-771G or any model in the compatibility list can use this as a direct spare. It is not for laptops that require a different voltage, current rating or connector diameter. Users needing USB-C Power Delivery or a higher wattage unit for gaming hardware should look elsewhere.

Highlights

  • Delivers 90 W of reliable power for compatible Acer laptops
  • 19 V / 4.74 A output matches original adapter specifications
  • 5 × 1.7 mm barrel connector fits listed Acer models directly
  • 100–240 V 50–60 Hz input works on mains worldwide
  • CE certified and includes a matching power cord

Specifications

No published specifications for this item yet.

Questions about this item

How can I verify the adapter is delivering the rated 19V 4.74A output after I plug it in?

The adapter supplies 19V at 4.74A for a total of 90W; your laptop's battery indicator should show charging and the system should run without throttling when the adapter is connected.

What does the package contain and do I need to buy a power cord separately?

The box includes one AC adapter and one power cord matched to the selected EU, US, UK or AU plug type, so no separate cord purchase is required.

Which compatible Acer model numbers are covered by this 90W 5.5x1.7mm adapter?

It supports numerous Acer models including Aspire V5-561G, V5-571G, E5-771G, R7-571G, 4741G, 5532 and the full list shown in the compatibility data.

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