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Black rectangular AC adapter with two detachable cables and a barrel connector

iTekiro

iTekiro 170W 20V 8.5A AC Adapter for Lenovo ThinkPad P51

SKU CH-47NM-VBXBQ

A 170W 20V 8.5A AC adapter with 6 ft cords, replacing Lenovo 135W and 170W units for ThinkPad P51 models

  • Battery typeLithium-Ion
  • Power adapter voltage20 V
  • Power adapter current8.5A
  • Power adapter wattage170 W
  • Product typeAC Adapter
  • Delivers 170W at 20V 8.5A for ThinkPad P51 performance
  • 6 ft AC cord plus 6 ft DC cord gives flexible placement
  • Replaces Lenovo 135W and 170W adapters without needing 230W or 300W units
  • Worldwide 100-240V input works across regions without extra converters
  • Overload, short-circuit and over-voltage protection guards the laptop during charging

Compatible 170W adapter for ThinkPad P51

This 20V 8.5A AC adapter replaces the original 135W and 170W Lenovo chargers for ThinkPad P51 models. It is built for owners who need a direct replacement without changing their existing power setup.

Extra-long cords extend placement options

A six-foot UL-listed three-prong AC cord and a six-foot DC cord combine for a total reach of twelve feet. The length lets you position the laptop farther from the wall outlet on a desk or bench.

Durable sealed case with worldwide input

The adapter housing resists extreme conditions and seals out water and humidity. Input accepts 100 to 240V at 50 to 60Hz for global use, while smart safety features include overload, short-circuit, over-voltage, over-current and over-temperature protection.

How it compares

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

Price $57.99
Pricier than about 88% of the 27,790 comparable items (median $30.99).

Specifications

Product
Product typeAC Adapter
Power
Battery typeLithium-Ion
Power adapter voltage20 V
Power adapter current8.5A
Power adapter wattage170 W

Questions about this item

Does the 170W 20V 8.5A AC adapter contain any internal parts such as a lithium-ion cell that require scheduled replacement?

The adapter is an AC power supply with no internal battery or user-replaceable components; it does not require scheduled replacement.

What is the first limit reached when the adapter runs continuously at its 170W 20V 8.5A rating?

The unit is rated for a maximum output of 180W with overload, short-circuit, over-voltage, over-current and over-temperature protection that will trip before components overheat.

How much heat and noise does the 6 ft DC cord adapter produce when powering a ThinkPad P51 all day?

The adapter has no fan, so it operates silently; heat is dissipated through the case, which is designed to resist extreme conditions and seal out humidity.

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