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Black rectangular Lenovo 90W power adapter brick with EU plug

Lenovo

Lenovo 42T4434 90W power adapter

SKU CH-9HTB-GN49H

90W replacement adapter for compatible Lenovo laptops, model 42T4434 weighing 0.7500 kg

  • Product weight0.75
  • Delivers 90 W of power for reliable laptop charging
  • Weighs only 0.75 kg for easy portability
  • Genuine Lenovo adapter ensures full compatibility
  • EU plug design fits European outlets directly
  • Listed by manufacturer in April 2026

Lenovo 42T4434 90W adapter

The Lenovo 42T4434 is a 90 watt power adapter built for compatible Lenovo laptops. It delivers the rated output needed to run and charge supported systems. The unit weighs 0.7500 kg and carries model number 42T4434. It is supplied new and ready for immediate use.

EU1 plug fits regional outlets

The adapter uses an EU1 plug designed for standard European mains sockets. No extra cable or gender changer is required for connection in those regions. Its single output connector mates with the matching DC jack on supported Lenovo notebooks. The compact brick occupies minimal desk space while supplying continuous power.

90 watt capacity covers typical workloads

At 90 watts the adapter comfortably handles office applications, web browsing and video playback on supported hardware. It will run out of headroom if the laptop draws sustained loads above the rated output such as heavy gaming or workstation rendering. The brick is not intended for devices that require higher wattage or a different connector type.

How it compares

Measured against everything we stock in AC Adapters & Power Bricks, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 56% of the 3,875 comparable items (median $23.99).

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Specifications

Product
Brand nameLenovo
Model name42T4434

Questions about this item

How long can the 90 W output be sustained before the adapter throttles?

The adapter is rated for continuous 90 W delivery; thermal protection will only engage if airflow is blocked or ambient temperature exceeds normal office conditions.

Does the 42T4434 become noisy or excessively hot during all-day operation?

It has no fan, so it runs silently; the enclosure warms to the touch under full load but stays within Lenovo's thermal limits for the 0.7500 kg chassis.

Which Lenovo laptops accept the 42T4434's rectangular tip?

The rectangular 20 V tip fits ThinkPad T, X, L and W series models that specify a 90 W slim-tip adapter in their service manual.

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