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Black rectangular Lenovo 135W AC adapter with slim tip plug

Lenovo

Lenovo 4X20Q88539 Slim 135W AC Adapter (Slim-tip)

SKU CH-MRS8-DKS4P MPN 4X20Q88539

Slim 135 W adapter with slim-tip connector powers compatible Think PCs at home or on the move

  • Product colorBlack
  • Product weight1 lb (0.45 kg)
  • Fast, efficient charging for Think PCs
  • 135 W output powers demanding workloads
  • Slim-tip connector fits compatible Lenovo models
  • Compact design suits travel and desk use
  • OS independent — works across supported devices

Lenovo 135W Slim-tip Adapter

The Lenovo 4X20Q88539 Slim 135W AC Adapter is a replacement power supply for compatible ThinkPad laptops. It delivers 135 watts of power through a Slim-tip connector for reliable charging at home or in the office.

Installation notes

Connect the adapter to a standard AC outlet and insert the Slim-tip plug into the laptop power port. The unit is OS independent so no driver installation is required. The 1.00 lbs weight makes it easy to carry as a spare.

Pre-purchase checks

Verify that your ThinkPad model uses a Slim-tip power input and requires 135W output. Confirm the adapter ships with an American standard plug suitable for your region. Buyers needing a different tip style or wattage rating should look elsewhere.

How it compares

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

Price $118.99
Pricier than about 90% of the 3,875 comparable items (median $23.99).

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Specifications

Product
Brand nameLenovo
Model name4 × 20Q88539
Part number4 × 20Q88539
Product colorBlack
Size & build
Cable lengthNo
Product weight1 lb (0.45 kg)
Shipping weight0.48 kg
Package size324 × 193 × 61 mm

Questions about this item

How can I confirm the 135W adapter is delivering full power to my ThinkPad after connecting the Slim-tip?

The laptop's battery indicator should show charging and the power meter in the OS will report 135W input when the system is under load.

What comes in the box with the 4X20Q88539 and which cable must I purchase separately?

The package includes the adapter with attached Slim-tip output cable and an American-standard AC plug; no separate DC cable is needed.

Which version of the Slim 135W adapter should I choose for a ThinkPad that uses a Slim-tip connector?

Select the 4X20Q88539 model with Slim-tip output and American-standard plug to match your ThinkPad's charging port.

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