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Black rectangular power brick with barrel tip and detachable AC cord

ABLEGRID

ABLEGRID 170W 20V 8.5A Charger for Lenovo ThinkPad W540 W541

SKU CH-4897-FJE0W

Replacement 170W 20V 8.5A AC adapter with barrel tip for ThinkPad W540 and W541, includes power cord and worldwide 100-240V input

  • Battery TypeUPS
  • Delivers 170W at 20V 8.5A for ThinkPad W540 and W541
  • Worldwide 100-240V input at 50-60Hz works across regions
  • Over-voltage and over-heat protection guard the laptop and adapter
  • CE, FCC and RoHS certified for safety and compliance
  • Includes power cable and barrel-tip connector ready to use

ABLEGRID 170W Charger for ThinkPad W540 W541

This 170W AC adapter delivers 20V at 8.5A for Lenovo ThinkPad W540 and W541 mobile workstations. It accepts worldwide AC input from 100 to 240V at 50 to 60Hz. The barrel-tip connector matches the original DC jack. The unit is a non-OEM replacement built to CE, FCC and RoHS standards.

Sustained-load behaviour with protection circuits

Over-voltage and over-heat protection circuits engage automatically when the adapter runs continuously at full output. The design maintains stable DC output during extended workstation sessions. Keeping the unit in a ventilated area prevents thermal throttling and prolongs component life.

20V 8.5A output decides compatibility

The charger is correct only if the laptop requires exactly 20V DC at 8.5A with a matching barrel tip. A different voltage, amperage or tip size will not work. Verify the original adapter label before purchase.

Highlights

  • Delivers 170W at 20V 8.5A for ThinkPad W540 and W541
  • Worldwide 100-240V input at 50-60Hz works across regions
  • Over-voltage and over-heat protection guard the laptop and adapter
  • CE, FCC and RoHS certified for safety and compliance
  • Includes power cable and barrel-tip connector ready to use

Specifications

BrandABLEGRID
Battery TypeUPS

Questions about this item

Does the 170 W adapter run hot or make noise when powering a ThinkPad W540 all day?

It has over-heat protection and no fan is mentioned, so it should stay quiet and within safe temperature limits during continuous use.

What cables or tips must I already have to use this charger with my W541?

The package includes a barrel-tip DC connector and an AC power cable; you only need a wall outlet that accepts the supplied plug.

Will this 20 V 8.5 A unit safely replace the original charger that came with my ThinkPad W540?

Yes, it matches the 20 V 8.5 A 170 W output and barrel tip specified for the W540 and W541, and includes over-voltage protection.

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