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Black rectangular power brick with 4.0 mm barrel connector and long cables

iTekiro

iTekiro 65W 19V 3.42A AC Adapter 4.0mm tip

SKU CH-HC9N-AFSZ3

Replacement 65 W laptop charger with 4.0 mm tip, 100–240 V input, 19 V 3.42 A output, and two 6 ft cords

  • Charges laptop and battery while powered on or off
  • 65 W 19 V 3.42 A output replaces 33 W 45 W 65 W Asus adapters
  • 100 to 240 V 50 to 60 Hz input works worldwide
  • 6 ft AC cord plus 6 ft DC cord gives extra reach
  • Rugged sealed case resists moisture and high humidity

Compatible Asus Laptop Charger

The iTekiro 65 W AC adapter replaces Asus 33 W, 45 W and 65 W units for models such as E210MA, E410MA, F512FL, TP470EZ, S433EA, K513EQ, Q302UA, Q303UA, Q503UA, TP300LA, X556UA and related variants. It delivers 19 V at 3.42 A through a 4.0 mm barrel tip, so buyers must verify the connector matches their device before purchase. This unit is not for laptops that require a different voltage, a higher wattage or an alternative tip size.

Thermals Noise and Power Draw

The adapter accepts 100–240 V AC at 50–60 Hz worldwide and converts it to a regulated 19 V DC output with internal surge and spike filtering. A ruggedised, moisture-resistant case protects the electronics in humid or mobile environments. The package includes a 6 ft UL-listed 2-prong AC cord plus a 6 ft DC cord for extended reach.

Sustained Load Behaviour

Comprehensive safety circuits limit output voltage and current continuously, maintaining stable power during prolonged charging sessions whether the laptop is on or off. High power efficiency keeps the brick running consistently without thermal throttling under maximum 65 W load. The compact 3.74" x 1.73" x 1.10" form factor and 10.9 oz weight suit travel and desktop use alike.

Highlights

  • Charges laptop and battery while powered on or off
  • 65 W 19 V 3.42 A output replaces 33 W 45 W 65 W Asus adapters
  • 100 to 240 V 50 to 60 Hz input works worldwide
  • 6 ft AC cord plus 6 ft DC cord gives extra reach
  • Rugged sealed case resists moisture and high humidity

Specifications

No published specifications for this item yet.

Questions about this item

How do I connect the 4.0 mm tip to my Asus laptop and what step is often missed?

Plug the 4.0 mm DC connector firmly into the laptop power jack until it seats, then attach the 6 ft AC cord to the adapter brick and a wall outlet; the step often missed is confirming the tip diameter matches the original adapter before ordering.

Which parts of this 65 W adapter will need replacement over time?

The 6 ft AC cord and 6 ft DC cord are the only wear items; the ruggedised case and internal surge protection are sealed and not user-serviceable.

What is the first limit reached when this 19 V 3.42 A unit runs continuously at full load?

The 65 W maximum output rating is the hard limit; sustained loads above 65 W will trigger the internal over-current protection and shut the adapter down.

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