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Black rectangular AC adapter with attached power cord and laptop connector

WAWEIS

WAWEIS AC/DC Adapter for Lenovo ThinkPad T540/i7-4800MQ

SKU CH-2JPA-6F6KB

Replacement AC adapter for Lenovo ThinkPad T540 with 10 ft cord and 100-240V input

  • World-wide 100-240 V input works everywhere
  • 10 ft cord gives flexible desk placement
  • Over-current, over-voltage and short-circuit protection keep hardware safe
  • FCC, CE and RoHS certified for verified compliance
  • Smart-chip thermal guard prevents overheating during charging

Compatible AC Adapter for ThinkPad T540

The WAWEIS adapter replaces the original power supply for the Lenovo ThinkPad T540 with an i7-4800MQ processor. It delivers 100-240VAC world-wide input at 50/60Hz and includes a 10 ft power cord. Certified FCC, CE and RoHS, it uses new components and matches OEM specifications.

Sustained-load behaviour with protection circuits

Over-current, over-voltage, short-circuit and total-power protection engage continuously during long charging sessions. Overload protection with high-quality wires and a smart-chip overheating guard keep output stable. Anti-interference isolation materials maintain clean delivery over the full 12-month warranty period.

Verify connector and voltage before ordering

Confirm the laptop requires the exact barrel connector used on the ThinkPad T540 i7-4800MQ model. Check that the device label lists an input range covering 100-240VAC at 50/60Hz. Ensure the 10 ft cord length suits the workspace layout.

Highlights

  • World-wide 100-240 V input works everywhere
  • 10 ft cord gives flexible desk placement
  • Over-current, over-voltage and short-circuit protection keep hardware safe
  • FCC, CE and RoHS certified for verified compliance
  • Smart-chip thermal guard prevents overheating during charging

Specifications

No published specifications for this item yet.

Questions about this item

How much heat or noise does the WAWEIS AC/DC adapter produce when powering a ThinkPad T540 all day?

The adapter includes overheating protection with a smart chip and overload protection using high-quality wires, plus over-current, over-voltage and short-circuit protection to keep it running safely during continuous use.

What must I already own for this WAWEIS adapter to work with my ThinkPad T540?

You need a Lenovo ThinkPad T540 laptop with an i7-4800MQ processor; the adapter supplies world-wide 100-240 VAC 50/60 Hz input and comes with a 10 ft power cord, so no extra cables are required.

Will this WAWEIS adapter work reliably alongside the original charging components I may still have for my ThinkPad T540?

It is manufactured as a 100 % OEM-compatible replacement, tested to strict quality-control standards, and carries FCC, CE and RoHS certification, so it matches the original device specifications.

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