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Rectangular black AC adapter brick with cable and barrel connector

Battery Technology Inc.

Battery Technology Inc. 4X20E50574BTI 20 V 170 W 8.50 A ac adapter

SKU CH-HZQM-WFY07 MPN 4X20E50574BTI

20 V 170 W AC adapter compatible with numerous Lenovo ThinkPad and notebook models

  • Delivers 170 W for demanding notebooks
  • 20 V DC output matches Lenovo requirements
  • 50 A current supports high-performance components
  • Replaces OEM part 45N0560 directly
  • Compatible with ThinkPad X1 Extreme and P series

20 V 170 W AC adapter for Lenovo notebooks

This 20 V DC adapter delivers up to 170 W at 8.50 A for compatible Lenovo ThinkPad and IdeaPad models. It replaces OEM part numbers 45N0560 and 4X20E50574 and is supplied new by Battery Technology Inc.

Direct replacement for listed ThinkPad

The unit plugs into the notebook’s existing barrel connector and requires no additional cables or configuration. It frees the user from hunting for a matching original charger when the factory supply is lost or damaged.

Rated for 170 W continuous output at 20 V

The adapter maintains its rated voltage and current during normal charging and operation. It is built to the manufacturer’s specifications for thermal performance and power delivery without exceeding the stated limits.

Highlights

  • Delivers 170 W for demanding notebooks
  • 20 V DC output matches Lenovo requirements
  • 50 A current supports high-performance components
  • Replaces OEM part 45N0560 directly
  • Compatible with ThinkPad X1 Extreme and P series

Specifications

No published specifications for this item yet.

Questions about this item

Will the 170 W output sustain continuous load without throttling?

The adapter is rated for 170 W maximum output power at 20 V DC and 8.50 A, delivering full rated current continuously within its thermal design limits.

How much heat and fan noise does the 170 W adapter produce during all-day use?

The unit uses a sealed fanless enclosure, so it runs silently; heat is dissipated through the case surface, which stays warm but within normal operating temperature for a 170 W supply.

Which Lenovo notebook models are confirmed compatible with the 4X20E50574BTI adapter?

It replaces OEM part 45N0560 and fits ThinkPad series including X1 Extreme Gen 1 and 2, P15, P15G, P15V, W541, W550s, T450, T470s, T470p, L470, L560, L570, E440, E555, E560, X260, X270, and 11e generations 1, 2, 4 and 5.

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