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Black rectangular power brick with two six-foot cords and a 4.5 mm barrel connector

iTekiro

iTekiro AC Adapter for Asus TN3402 Q524UQ Q534UX P2430UA P2440UA 90W Power Inverter

SKU CH-Y36P-Q8N18

A 90W replacement AC adapter with a 4.5 mm centre-pin tip and twelve feet of combined cord length for compatible Asus laptops

  • Charges your laptop on or off with 90W maximum output
  • Worldwide voltage input from 100 to 240V for travel use
  • Extra-long 6 ft AC and 6 ft DC cords reach distant outlets
  • UL-listed AC cord and internal surge protection guard against electrical hazards
  • Rugged sealed case resists moisture and humidity in mobile environments

90W replacement for Asus laptops

This 90W AC adapter replaces Asus 45W, 65W and 90W chargers for models including TN3402, Q524UQ, Q534UX, P2430UA and P2440UA. It uses a 4.5 mm plug tip with a centre pin and accepts 100-240V input for worldwide use. It does not replace 120W or 150W units.

Thermals, noise and power draw

The adapter delivers up to 19VDC at 4.74A with high power efficiency for consistent output. A ruggedised case is sealed against moisture and high humidity. Internal safety features filter input voltage spikes and limit output to protect the laptop. No fan is present, so operation is silent.

4.5 mm centre-pin connector

The DC plug measures 4.5 mm with an internal centre pin; verify this matches the laptop port before purchase. Two 6 ft cords are included: a UL-listed 2-prong AC cord and a DC cord. Buyers needing a 120W or 150W replacement cannot use this unit.

How it compares

Measured against everything we stock in DC-to-AC Power Inverters, at today’s prices. Recalculated every night.

Price $22.99
Cheaper than about 70% of the 866 comparable items (median $25.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I install the iTekiro 90W adapter and which step do people get wrong?

Plug the 6 ft 2-prong AC cord into a 100-240V outlet, then insert the 4.5 mm center-pin DC plug firmly into the laptop; the common mistake is not pushing the barrel connector all the way in so the center pin makes contact.

What maintenance or replacement will the iTekiro 90W adapter need later?

The UL-listed AC cord and 6 ft DC cord are the only wear items; inspect them periodically for fraying or damaged insulation and replace either cord if the jacket cracks or the connector loosens.

What limit appears first on the iTekiro 90W adapter under sustained load?

The adapter caps output at 19 V / 4.74 A (90 W max), so sustained loads above 90 W will hit the current limit before any thermal throttle engages.

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