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Black rectangular 135W ThinkPad AC adapter with slim tip connector

Lenovo

Lenovo 4X20E50558 135W AC Adapter Slim Tip

SKU CH-SG8S-2SFJ6 MPN 4X20E50558

135W AC adapter with rectangular slim tip for compatible ThinkPad laptops

  • Power adapter wattage135 W
  • Main functionInternet Tablet
  • MeasurementsApproximate: 1.18 in × 2.56 in × 5.71 in
  • Product colorBlack
  • Product typeAC Adapter
  • Key featuresPerforms to the same specifications as the standard AC adapt
  • Delivers 135W output for reliable ThinkPad charging
  • Slim rectangular tip fits compatible ThinkPad models
  • Compact design measures 1.18 x 2.56 x 5.71 inches
  • Weighs only 1.10 lbs for easy portability
  • Meets Energy Star 2.0 efficiency standard

ThinkPad 135W Slim-Tip Adapter

This Lenovo ThinkPad AC adapter delivers 135W of power through a rectangular slim-tip connector. It matches the specifications of the original charger supplied with compatible ThinkPad laptops. The unit is finished in black and weighs 1.10 lbs.

For ThinkPad owners needing a spare or replacement

Suits users who want an additional adapter for home, office or travel use with a ThinkPad that accepts the rectangular slim-tip plug. It will not work with ThinkPad models that use the round barrel-type power connector.

Check your laptop's power port before ordering

Verify that your ThinkPad uses the rectangular slim-tip connector and requires a 135W input. The adapter measures approximately 1.18" x 2.56" x 5.71" and carries an Energy Star 2.0 rating.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $85.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameThinkPad
Model name4 × 20E50558
Part number4 × 20E50558
Product colorBlack
Product typeAC Adapter
Power
Power adapter wattage135 W
Size & build
MeasurementsApproximate: 1.18 in × 2.56 in × 5.71 in
Product weight1.1 lb (0.5 kg)
Shipping weight0.66 kg
Package size241 × 147 × 53 mm
More details
Main functionInternet Tablet

Questions about this item

Which ThinkPad models accept the rectangular slim-tip plug on this 135W adapter?

It fits ThinkPad laptops that use the rectangular slim-tip common power plug; it will not work with models that have a round barrel-type plug.

Can I run this 135W adapter on a laptop that originally shipped with a lower-wattage charger?

Yes, the adapter delivers up to 135W and will safely power any compatible slim-tip ThinkPad that requires equal or less power.

How do I confirm the adapter is charging the battery after I plug it in?

The laptop’s battery indicator will show a charging state and the system will draw AC power once the slim-tip connector is seated.

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