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Lenovo 42T4426 20 V AC adapter brick with cable

Lenovo

Lenovo 42T4426 20 V AC Adapter

SKU CH-31MQ-CEZCE

20 V AC adapter compatible with Lenovo ThinkPad notebooks, part 42T4426

  • TypeAC Adapter
  • Delivers reliable 20 V DC power for ThinkPad notebooks
  • Genuine Lenovo 42T4426 adapter ensures exact voltage match
  • Compact AC adapter design fits travel bags easily
  • Built to Lenovo quality standards for consistent output
  • Replaces lost or damaged original charger without compatibility guesswork

Lenovo 42T4426 AC Adapter

This Lenovo 42T4426 AC Adapter is a new 20 V DC power supply built for compatible Lenovo ThinkPad notebooks. It serves as a direct replacement or spare charger for supported mobile workstations. The unit delivers the rated voltage required by the specified devices.

Output Voltage Specification

The single specification that determines compatibility is the 20 V DC output voltage. A notebook must be designed to accept this exact voltage for the adapter to function correctly and safely. Using the adapter with a device requiring a different voltage will prevent operation or risk damage.

Capacity and Headroom

This adapter comfortably powers the Lenovo ThinkPad models listed in the manufacturer compatibility data during normal operation and charging. It runs out when connected to a notebook that demands a higher voltage or a current draw beyond the adapter's fixed rating.

Puntos fuertes

  • Delivers reliable 20 V DC power for ThinkPad notebooks
  • Genuine Lenovo 42T4426 adapter ensures exact voltage match
  • Compact AC adapter design fits travel bags easily
  • Built to Lenovo quality standards for consistent output
  • Replaces lost or damaged original charger without compatibility guesswork

Especificaciones

BrandLenovo
TypeAC Adapter

Preguntas sobre este artículo

What does the 20 V output actually deliver to a ThinkPad?

The adapter supplies 20 V DC to compatible Lenovo ThinkPad notebooks, matching the voltage those systems expect for charging and operation.

Which connector standard does the 42T4426 use to plug into the laptop?

It uses the legacy rectangular Lenovo connector that fits ThinkPad models designed for 20 V input.

What physical space should I allow for the 42T4426 brick and its cables?

The unit is a compact external brick with a fixed DC cable and a detachable AC cord, designed to sit on a desk or floor near the notebook.

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