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Compact black rectangular AC adapter with 5.5 mm barrel connector and integrated power cord

myVolts

myVolts 65W 19.5V 3.42A AC Adapter for ASUS X551 X555LA S300C S400CA S500CA TP500LA

SKU CH-CXQT-XBXCB

65W 19.5V AC adapter with 5.5mm x 2.5mm connector powers compatible ASUS laptops including X551, X555LA, S300C, S400CA, S500CA and TP500LA models

  • Delivers 65W at 19.5V 3.42A for reliable laptop charging
  • Works worldwide with 100-240V 50/60Hz input voltage range
  • Fits ASUS models using 5.5mm x 2.5mm barrel connector
  • Built with overheating and short-circuit protection for safe operation
  • Replaces ADP-65JH, PA-1650-78, EXA1208UH and other ASUS part numbers

65 W 19.5 V AC adapter for ASUS laptops

This 65 W AC adapter delivers 19.5 V at 3.42 A for compatible ASUS notebooks including X551, X555LA, S300C, S400CA, S500CA and Transformer Book TP500 models. It replaces original part numbers such as ADP-65JH, EXA0703YH, EXA1208UH, PA-1650-78 and PA-1650-93. The 5.5 mm by 2.5 mm barrel connector fits the listed devices directly.

Thermal protection and universal input

Overheating protection and short-circuit protection are built into the adapter to guard against excessive temperatures and electrical faults during normal use. The unit accepts 100 V to 240 V at 50 Hz or 60 Hz, allowing operation on mains supplies worldwide without a separate voltage selector. No fan is present, so the adapter runs silently.

Certified safety and twelve-month cover

The adapter carries CE, FCC and ROHS certifications confirming compliance with recognised safety and environmental standards. A twelve-month manufacturer warranty is included with the product. No additional cables, software or accessories are bundled beyond the adapter itself.

Highlights

  • Delivers 65W at 19.5V 3.42A for reliable laptop charging
  • Works worldwide with 100-240V 50/60Hz input voltage range
  • Fits ASUS models using 5.5mm x 2.5mm barrel connector
  • Built with overheating and short-circuit protection for safe operation
  • Replaces ADP-65JH, PA-1650-78, EXA1208UH and other ASUS part numbers

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the 5.5 mm × 2.5 mm connector on my ASUS X555LA?

Align the centre pin, push the barrel straight in until it seats firmly, and verify the laptop shows charging — the step most people miss is confirming the LED lights before assuming it works.

What maintenance will this 65 W 19.5 V adapter need over time?

Keep the ventilation slots clear of dust, inspect the cable for kinks near the strain relief, and replace the unit if the brick becomes unusually hot or the output voltage drifts under load.

What limit appears first when the adapter runs continuously at full load?

The 65 W thermal ceiling is reached before any voltage sag; sustained maximum current triggers the built-in overheating protection, causing the brick to throttle or shut down until it cools.

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