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Black rectangular power brick with 4.5mm pin connector and two long cables

iTekiro

iTekiro 90W AC Adapter 4.5mm Pin Asus M1603 M1605 P500 PU301 PU401 PU450 PU500 PU550 Q524

SKU CH-JB31-CCG4J

Replacement 90 W laptop charger for compatible Asus models with 4.5 mm pin, 100–240 V input and 12 ft total cord length

  • Replaces Asus 45W, 65W, 90W chargers with 90W max output
  • 5mm centre-pin plug fits listed M1603, M1605, P500, PU and Q524 models
  • 6 ft AC cord plus 6 ft DC cord gives 12 ft total reach
  • UL-listed AC cord and internal surge protection guard against voltage spikes
  • Rugged sealed case resists moisture and humidity for mobile durability

90W Replacement Adapter for Asus Laptops

This iTekiro AC adapter delivers up to 90 watts at 19 volts to compatible Asus models including the M1603, M1605, P500, PU301, PU401, PU450, PU500, PU550 and Q524 series. It serves as a direct replacement for original 45W, 65W and 90W chargers, powering the laptop and charging the battery whether the system is on or off.

4.5 mm Center-Pin Connector and Voltage Limits

The adapter uses a 4.5 mm barrel plug with a centre pin that must match the laptop's charging port exactly. It accepts AC input from 100 to 240 volts at 50 to 60 Hz for worldwide use, but it does not replace 120W or 150W chargers, so laptops requiring higher wattage are not supported.

Upgrade from Lower-Wattage or Damaged Chargers

This unit replaces worn, lost or lower-capacity 45W and 65W Asus adapters, providing the full 90W headroom for consistent performance. The ruggedised case resists moisture and humidity, while the included six-foot AC cord and six-foot DC cord eliminate the need for extension leads in most setups.

Highlights

  • Replaces Asus 45W, 65W, 90W chargers with 90W max output
  • 5mm centre-pin plug fits listed M1603, M1605, P500, PU and Q524 models
  • 6 ft AC cord plus 6 ft DC cord gives 12 ft total reach
  • UL-listed AC cord and internal surge protection guard against voltage spikes
  • Rugged sealed case resists moisture and humidity for mobile durability

Specifications

No published specifications for this item yet.

Questions about this item

45 W, 65 W or 90 W — which one does this adapter actually cover?

It replaces 45 W, 65 W and 90 W Asus chargers and delivers up to 90 W maximum; it does not replace 120 W or 150 W units.

What does the 19 V 3.42 A–4.74 A output mean for my laptop?

The adapter supplies 19 V and adjusts current between 3.42 A and 4.74 A, providing up to 90 W to run the laptop and charge the battery simultaneously.

The 4.5 mm centre-pin plug — what models does it fit and what does it limit?

The 4.5 mm tip with centre pin fits the listed Asus M1603, M1605, P500, PU301, PU401, PU450, PU500, PU550 and Q524 series; it caps output at the adapter's 90 W maximum.

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