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Compact black AC adapter with 4.0 by 1.2 mm barrel connector and detachable power cord

myVolts

myVolts 45W 19V 2.37A AC Adapter Charger 4.0*1.2mm

SKU CH-A5TJ-50S23

Delivers 45 W at 19 V / 2.37 A via a 4.0 × 1.2 mm plug for compatible Asus laptops

  • Delivers 45 W of power for reliable laptop charging
  • Operates on 100–240 V input for worldwide use
  • Fits 4.0 × 1.2 mm barrel connectors on supported Asus models
  • Compatible with ZenBook UX305, UX330 and UX360 series
  • Supports Asus X540, X541, F553, F556 and K556 families

45W 19V Adapter for Asus Zenbook

This 45W AC adapter delivers 19V at 2.37A through a 4.0*1.2mm barrel connector. It accepts a universal 100-240V input at 50-60Hz. The unit is built as a direct power supply for compatible Asus laptops including the Zenbook UX305, UX330 and UX360 series. It ships new with the required AC power cord included.

Replaces lost or failing 45W 19V units

The adapter matches the original 45W 19V specification used by the listed Asus models. Swapping to this unit is worthwhile when the original charger is damaged, lost or no longer holds a stable output. It restores the correct voltage and current without requiring a higher-wattage brick that the laptop cannot utilise.

Plug-in barrel connection, no tools needed

Installation is a simple barrel-plug insertion into the laptop charging port and a mains plug into the wall socket. The 4.0*1.2mm tip must align with the device socket; forcing a mismatched tip damages the port. Verify the connector size against the laptop before purchase to avoid fitment issues.

How it compares

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

Price $29.99
Typical for this category: the median of 27,790 items is $30.99.

Specifications

No published specifications for this item yet.

Questions about this item

Does the 4.0*1.2 mm connector fit the Asus Zenbook UX305?

Yes, the 4.0*1.2 mm tip matches the Zenbook UX305 charging port and the 19 V 2.37 A output meets its power requirement.

How do I connect the adapter and what step is often missed?

Plug the AC cable into the brick, insert the 4.0*1.2 mm tip firmly until it clicks, then connect the AC plug to a 100-240 V outlet.

When should the AC power cable be replaced?

Replace the cable if the insulation cracks, the plug pins bend, or the connection becomes intermittent after frequent flexing.

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