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Rectangular black 170W AC adapter with two 6 ft cords and 3-prong plug

iTekiro

iTekiro 170W AC Adapter for Lenovo ThinkPad P50 20EN001EUS 4X20E50575 4X20E50576 4X20E50577 4X20E50578

SKU CH-5ZQF-GBRWJ

Replaces Lenovo 90W, 135W and 170W chargers with 20V 8.5A output and twelve-foot total cord reach

  • AC Adapter Voltage20V
  • AC Adapter Current8.5A
  • AC Adapter Output Power170W
  • 170W output powers ThinkPad P50 and charges battery
  • 20V 8.5A matches original Lenovo 135W and 170W adapters
  • 6 ft AC cord plus 6 ft DC cord reaches distant outlets
  • UL listed AC cord and internal surge protection guard against electrical hazards
  • Rugged sealed case resists moisture and handles mobile environments

170W AC Adapter for ThinkPad P50

This 170W AC adapter replaces the original Lenovo 90W, 135W and 170W chargers for the ThinkPad P50. It is intended for users who need a direct replacement power supply for that specific mobile workstation. The unit delivers 20V at 8.5A and includes a six-foot AC cord plus a six-foot DC cord for extended reach.

Installation notes and common issues

Connection is straightforward: plug the AC cord into a wall outlet and the DC connector into the laptop. The adapter accepts 100–240V input at 50–60Hz, so it works worldwide without a voltage converter. A frequent mistake is ordering this model for a system that requires a 230W, 300W or 330W charger; this unit will not meet the higher power demand.

Compatibility checks before ordering

Verify that your ThinkPad P50 originally shipped with a 90W, 135W or 170W adapter and not a 230W or larger unit. Confirm the Lenovo part number on your existing charger matches 4X20E50575, 4X20E50576, 4X20E50577 or 4X20E50578. Ensure the DC connector tip fits your laptop’s charging port before use.

Highlights

  • 170W output powers ThinkPad P50 and charges battery
  • 20V 8.5A matches original Lenovo 135W and 170W adapters
  • 6 ft AC cord plus 6 ft DC cord reaches distant outlets
  • UL listed AC cord and internal surge protection guard against electrical hazards
  • Rugged sealed case resists moisture and handles mobile environments

Specifications

AC Adapter Voltage20V
AC Adapter Current8.5A
AC Adapter Output Power170W

Questions about this item

How can I confirm the iTekiro 170W adapter is working correctly after connecting it to my ThinkPad P50?

The laptop should power on and show charging status immediately; the adapter delivers 20V at 8.5A for 170W output, matching the original 135W and 170W Lenovo chargers it replaces.

What cables are included with the iTekiro 170W adapter and what must I purchase separately?

The package includes a 6 ft UL-listed 3-prong AC power cord and a 6 ft DC power cord; no additional cables are required for standard operation.

Which iTekiro adapter version should I choose for a ThinkPad P50 model 20EN001EUS?

This 170W unit replaces Lenovo part numbers 4X20E50575, 4X20E50576, 4X20E50577 and 4X20E50578; it is not compatible with 230W, 300W or 330W charger requirements.

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