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Black rectangular AC adapter with 3.0mm barrel tip and detachable power cord

Lite-On

Lite-On A18-045N2A 65W 19V power adapter

SKU CH-SMRQ-J9H2E

Supplies 19 V 3.42 A at 65 W for compatible laptops and includes a 3.0 mm tip and power cord

  • Worldwide voltage input 100-240V 50-60Hz
  • 65W output at 19V 3.42A for Acer laptops
  • Includes detachable mains power cord
  • 0mm barrel tip fits compatible models
  • Manufacturer holds ISO 9001, ISO 14001 and ISO 45001 quality certifications

Power adapter for Acer laptops

The Lite-On A18-045N2A is a 65W AC/DC adapter built to power compatible Acer laptops. It ships new with a detachable mains cord included. The unit accepts a wide 100-240V input for worldwide use.

19V 3.42A output with 3.0mm tip

The barrel connector measures 3.0mm and delivers 19V at 3.42A, matching the exact voltage and current required by supported models. Using an adapter with a different tip size or output rating will prevent charging or risk damage.

Suits owners replacing a lost

Buyers needing a higher-wattage supply for larger workstations or a USB-C power delivery solution should look at alternative products. This unit is limited to the fixed 19V barrel output specified.

Highlights

  • Worldwide voltage input 100-240V 50-60Hz
  • 65W output at 19V 3.42A for Acer laptops
  • Includes detachable mains power cord
  • 0mm barrel tip fits compatible models
  • Manufacturer holds ISO 9001, ISO 14001 and ISO 45001 quality certifications

Specifications

ModelA18-045N2A

Questions about this item

What does the 65W rating mean when the adapter is connected to a laptop?

The 65W rating shows the maximum continuous power the adapter can deliver at 19V and 3.42A, matching the laptop's charging requirement.

What does the 100-240V input range and 50-60Hz frequency allow in practice?

The wide input range lets the adapter work on mains supplies worldwide without a voltage converter, only a plug adapter may be needed.

What does the 3.0mm tip size tell me about fitting the adapter?

The 3.0mm tip is the barrel connector diameter that must match the laptop's power jack; it is used on several Acer models.

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