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Black rectangular power brick with 3-prong plug and 5.5×2.5 mm barrel connector

usbroway

usbroway 90W AC Adapter 19V 4.74A 5.5×2.5mm laptop charger

SKU CH-P9GQ-XBQ1A

90 W AC adapter delivers 19 V at 4.74 A through a 5.5 × 2.5 mm connector for compatible ASUS laptops

  • Battery TypeLithium-Ion
  • 90W output powers demanding laptops reliably
  • 100-240V input works worldwide without a converter
  • 5×2.5mm connector fits listed ASUS models
  • 19V 4.74A matches original adapter specifications
  • CE FCC UL RoHS certified for safe operation

90W 19V AC adapter for ASUS laptops

This 90 watt AC adapter supplies 19 volts at 4.74 amps through a 5.5 by 2.5 mm barrel connector. It replaces the original charger for a wide range of ASUS models including K52, K53, K55, X401, X450, X501, X502 and X550 series. The unit accepts 100 to 240 volt input at 50 to 60 Hz and uses a three-prong AC inlet.

Simple plug-in replacement, check connector first

Installation is a direct plug into the laptop power jack and a standard wall outlet. The critical step is confirming the 5.5 by 2.5 mm connector dimensions and the 19 volt 4.74 amp output match the original adapter before purchase. Mismatched polarity or tip size are the most common reasons a replacement will not work.

Steady 90 watt output under continuous load

The adapter is rated to deliver the full 90 watts continuously while the laptop runs and charges the battery simultaneously. It maintains the specified 19 volt output during sustained use without dropping voltage or triggering thermal shutdown. The three-prong grounded inlet and CE, FCC, UL or RoHS certifications indicate compliance with safety standards for prolonged operation.

Highlights

  • 90W output powers demanding laptops reliably
  • 100-240V input works worldwide without a converter
  • 5×2.5mm connector fits listed ASUS models
  • 19V 4.74A matches original adapter specifications
  • CE FCC UL RoHS certified for safe operation

Specifications

Battery TypeLithium-Ion

Questions about this item

How do I verify the adapter is delivering 19V 4.74A after connecting it to my ASUS laptop?

The laptop should power on and show the charging indicator; if the battery icon displays charging and the system runs without shutdowns, the 90W output is working as intended.

Does the package include the AC power cord and the 5.5×2.5mm DC connector, or must I buy the cord separately?

The adapter comes with a 3-prong AC cord attached and the 5.5×2.5mm DC plug built in, so no separate cable is required.

My ASUS X550CA needs a 90W unit — is this the correct version or should I choose a different wattage?

This 90W model matches the 19V 4.74A requirement and fits the 5.5×2.5mm jack on the X550CA, making it the appropriate choice.

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