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Black rectangular AC adapter with 5.5 by 2.5 mm barrel connector and detachable power cord

myVolts

myVolts 90W AC adapter 5.5*2.5mm for Asus

SKU CH-29PH-1BKBJ

A 90 W laptop AC adapter with a 5.5×2.5 mm barrel plug that also covers 65 W, 45 W and 33 W Asus models and ships with a power cord

  • Powers demanding laptops with 90W output at 19V 4.74A
  • Runs older 65W 45W 33W Asus models through automatic voltage scaling
  • Accepts worldwide mains voltage from 100V to 240V at 1.8A
  • Fits Asus barrels measuring 5.5mm outer by 2.5mm inner with no centre pin
  • Supplied as brand-new unit with AC adapter and detachable power cord

90W AC adapter for Asus laptops

This 90 watt power supply delivers 19 volts at 4.74 amps through a 5.5 by 2.5 millimetre barrel connector. It replaces original Asus adapters such as the ADP-90YD B and ADP-65JH across a wide range of X, K, Q and U series notebooks.

Works with 100-240 volt mains input

The unit accepts global AC voltage at 50 to 60 hertz with a 1.8 amp draw, so it plugs directly into wall outlets worldwide. A detachable AC cord is included, freeing you from sourcing a separate mains lead.

Steps down to 65W, 45W and 33W loads

When connected to laptops that require less power, the adapter automatically provides 19 volts at 3.42 amps, 2.37 amps or 1.75 amps respectively. This backward compatibility lets one charger serve multiple Asus models without overheating during sustained use.

How it compares

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

Price $26.99
Cheaper than about 58% of the 27,790 comparable items (median $30.99).

Specifications

No published specifications for this item yet.

Questions about this item

Will the 90W output overheat the adapter during continuous charging?

The unit is rated for 90W maximum with lower 65W, 45W and 33W profiles, so sustained loads within those limits stay within design.

How hot or noisy does the power supply get when left plugged in all day?

No fan is present; the adapter relies on passive cooling and runs silently, with warmth proportional to the actual laptop draw.

Which laptop models and connector type must I already have for this to work?

It fits Asus models listed with a 5.5*2.5mm barrel connector and no centre pin; verify your original charger matches that plug.

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