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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.

How it compares

Measured against everything we stock in Laptop Repair Parts, at today’s prices. Recalculated every night.

Price $78.99
Pricier than about 90% of the 1,151 comparable items (median $33.99).

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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