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Black rectangular 90W AC adapter with 5.5 by 2.5mm barrel connector

myVolts

myVolts 90W AC Adapter 19V 4.74A 5.5*2.5mm for Asus

SKU CH-QR9K-HVVGK

90 W laptop charger delivering 19 V at 4.74 A with a 5.5 × 2.5 mm barrel connector for compatible Asus models

  • 90W output powers demanding Asus laptops
  • 19V 4.74A matches original charger specifications
  • 5mm x 2.5mm connector fits listed models
  • 100-240V input works worldwide
  • CE FCC RoHS certified with over-voltage short-circuit over-current protection

90W 19V AC adapter for Asus laptops

This 90W AC adapter delivers 19V at 4.74A through a 5.5*2.5mm barrel connector. It accepts 100-240V input at 50-60Hz for worldwide use. The unit carries CE, FCC and RoHS certifications with over-voltage, short-circuit and over-current protection. It is supplied new and ready for immediate use.

Suits owners of listed Asus models needing

The adapter matches the part numbers and models shown in the compatibility list, including K53, X55, A53 and X43 series. Buyers whose laptops require a different voltage, amperage or connector size should look elsewhere. Users needing a higher-wattage supply for power-hungry workstations will not be served by this 90W unit.

Steady 90W output under continuous load

The adapter maintains its rated 19V 4.74A output during extended charging sessions without thermal throttling. Built-in protection circuits guard against sustained over-current and short-circuit conditions. The wide 100-240V input range ensures stable operation across varying mains voltages during prolonged use.

How it compares

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

Price $9.99
Cheaper than about 92% of the 27,790 comparable items (median $30.99).

Specifications

No published specifications for this item yet.

Questions about this item

What laptop must I already own for the 5.5*2.5 mm connector and 19V 4.74A output to match?

It fits the Asus models listed such as X401A, X550LA, K53E, K55A, Q301LA and many others that use the same barrel size and voltage.

Will this 90W unit safely replace a 65W adapter like the ADP-65JH BB on my older Asus?

Yes, the adapter covers part numbers ADP-65JH BB, PA-1700-02 and PA-1650-78, so it can replace lower-wattage original chargers on compatible models.

How can I confirm the charger is delivering 19V 4.74A after I plug it in?

The adapter includes over-voltage, over-current and short-circuit protection, and carries CE, FCC and RoHS marks; a steady LED on the tip and normal battery charging indicate correct operation.

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