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Black rectangular laptop power adapter with US cord and 5.5×2.5 mm barrel connector

NShi

NShi 19V 7.1A 135W 5.5×2.5mm laptop replacement part

SKU CH-NF30-YVKBW

19V 7.1A 135W AC adapter with 5.5×2.5mm connector powers compatible Acer Aspire laptops worldwide

  • Delivers 135 W of continuous power for demanding laptops
  • Wide 100–240 V input works worldwide without a converter
  • Built-in over-current, over-voltage and short-circuit protection safeguards hardware
  • 5 × 2.5 mm DC plug matches Acer ADP-135KB T specification
  • Includes 3-prong US power cord for immediate desktop use

135W 19V Acer Adapter

This 135-watt AC adapter delivers 19 volts at 7.1 amps through a 5.5 by 2.5 millimetre barrel connector. It accepts 100 to 240 volt input at 50 to 60 hertz for worldwide use and includes a three-prong US power cord. The unit is brand new and comes with a twelve-month warranty.

Suitable for 19V 135W Acer models

The adapter matches the ADP-135KB T specification used by compatible Acer Aspire laptops requiring 19 volts and 7.1 amps. Buyers whose devices need a different voltage, a higher amperage or a different connector diameter should look at another part. No other cable types or connector tips are included in the package.

5.5×2.5mm centre-positive barrel plug

The DC plug measures 5.5 millimetres outer diameter by 2.5 millimetres inner diameter, a size that must match the laptop power jack exactly. If the original charger uses a different pin geometry — such as a 4.0 by 1.7 millimetre tip or a USB-C connector — this adapter will not fit. Always verify the connector dimensions against the device manual before ordering.

Highlights

  • Delivers 135 W of continuous power for demanding laptops
  • Wide 100–240 V input works worldwide without a converter
  • Built-in over-current, over-voltage and short-circuit protection safeguards hardware
  • 5 × 2.5 mm DC plug matches Acer ADP-135KB T specification
  • Includes 3-prong US power cord for immediate desktop use

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the 5.5×2.5 mm DC connector and what step is often missed?

Align the 5.5 mm outer and 2.5 mm inner diameters with the laptop jack, push straight in until fully seated, then plug the 3-prong cord into the brick before connecting to mains 100-240 V.

What maintenance or replacement will the 135 W adapter need later?

The detachable US power cord can be swapped if damaged; the brick itself has no user-serviceable parts and is replaced as a unit after the 12-month period.

What limit appears first when the 19 V 7.1 A output runs continuously?

The 135 W total power protection trips before the over-current or over-voltage circuits, shutting the unit down until the load drops.

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