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Black rectangular 90W AC adapter with square tip and detachable power cord

usbroway

usbroway Square Tip 90W AC Adapter for Lenovo ThinkPad X1 Carbon 4th 3rd 2nd Gen

SKU CH-G8E3-S1AE6

A 90W square-tip AC adapter compatible with Lenovo ThinkPad X1 Carbon 4th, 3rd and 2nd Gen laptops

  • Battery TypeLithium-Ion
  • Safe operation backed by rigorous quality testing
  • Works with ThinkPad X1 Carbon 4th 3rd 2nd Gen models
  • Powers 65W and 90W laptops from one adapter
  • Includes AC adapter and power cord in box
  • New condition ensures full performance out of the box

90W Square Tip AC Adapter

This 90 watt AC adapter uses a square tip connector to power compatible Lenovo ThinkPad X1 Carbon models from the second, third and fourth generations. It replaces part numbers 45N0244, 45N0248, 45N0252, 0B46994, 0B46995, 0B46996 and 0B46997 for users needing a direct replacement charger.

90W Output With 65W Backwards Compatibility

The unit delivers 20 volts at 4.5 amps for a full 90 watt output and will also operate safely with laptops that draw 20 volts at 3.25 amps or 65 watts. It will not work properly if the connected device requires more than 90 watts of power.

Replaces Original Lenovo Chargers

This adapter serves as a direct substitute for the original Lenovo power supplies listed in the compatibility data. The upgrade is worth it when the original charger is lost, damaged or no longer holds a stable connection, restoring full charging speed without needing a higher wattage unit.

Highlights

  • Safe operation backed by rigorous quality testing
  • Works with ThinkPad X1 Carbon 4th 3rd 2nd Gen models
  • Powers 65W and 90W laptops from one adapter
  • Includes AC adapter and power cord in box
  • New condition ensures full performance out of the box

Specifications

Battery TypeLithium-Ion

Questions about this item

Will the square tip 90W adapter power a ThinkPad X1 Carbon 2nd Gen alongside an older 65W unit?

Yes, the 20V 4.5A 90W output works with 20V 3.25A 65W laptops, so it can replace the older unit for the 2nd Gen.

How can I verify the square tip 90W charger is operating correctly after plugging it in?

The laptop should charge normally and show the 90W input; the adapter has passed rigorous safety tests for reliable operation.

What comes in the box with the square tip 90W adapter and what must I buy separately?

You receive 1 AC adapter and 1 power cord; no extra cables or tips are required for the listed ThinkPad models.

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