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ThinkPad USB Charging Adapter - Overview and Service Parts


Features and specifications

Get up to 11 watts power for your mobile device with a ThinkPad USB charging adapter (4X20E50164) when it works with a ThinkPad power adapter (slim tip). Ideal for mobile users and travelers who are short of USB port but want to charge/power on their ThinkPad & other electronic devices at the same time, or for whom has lots of mobile devices but doesn’t want to carry all power adapters around.

The ThinkPad USB charging adapter has smaller form factor and lighter weight that saves more space and lightens your load these features:

  • Female rectangle port to support all ThinkPad power adapters (slim tip).
  • Female USB port provides 11W power for charging Mobile devices.
  • Able to charge ThinkPad laptop and mobile device simultaneously.
  • The USB port on this adapter, providing 2.1A current, charges your device faster than the one on the laptop.

Performance specifications:

  • Input and output
  • Input type: 20V DC from ThinkPad slim port
  • Output type: 20V DC for ThinkPad Slim port system; 5V/2.1A DC for USB device

Physical specifications:

  • Approximate height: 12 mm (0.5 in)
  • Approximate width: 31 mm (1.2 in)
  • Approximate length: 165 mm (6.5 in)
  • Weight: 29 g (0.06 lb)

Package dimension:

  • Approximate dimension: 145 x 104 x 16 mm
  • Weight: 50 g

Operating environment:

  • Temperature: 5 to 40 deg C (41 to 104 deg F)
  • Relative humidity: 8% to 80% non-condensing
  • Storage Temperature: -31 to 60 deg (C) (-40 to 140 deg (F))


Manuals  Version
 Release Date
Warranty Information (2.5 MB)
December 2014 23 Dec 2014



1 year - Customer Replacement Unit (CRU) Service

  • Announce date: 25 March 14 (Worldwide)
  • Availability date: 28 March 14 (Worldwide)


Hardware compatibility
ThinkPad USB Charging Adapter is supported on the following ThinkPad AC adapter :

ThinkPad 45W Slim AC Adapter (slim tip) (as of March 25, 2014)
ThinkPad 65W Slim AC Adapter (slim tip) (as of March 25, 2014)
ThinkPad 65W AC Adapter (slim tip) (as of March 25, 2014)
ThinkPad 90W AC Adapter (slim tip) (as of March 25, 2014)
ThinkPad 135W AC Adapter (slim tip) (as of March 25, 2014)
ThinkPad 170W AC Adapter (slim tip) (as of March 25, 2014)
Lenovo 65W DC Travel Adapter (as of March 25, 2014)

Note: Please refer to the Accessories Compatibility Guide for the complete list of supported systems.

  • ThinkPad USB Charging Adapter
  • User's guide


Agency approvals

CB Certificate/Report, CE, C-Tick, ICES, VCCI, KC, FCC, GS, UL, SASO, Kuwait, EAC, South Africa: LoA


Service Parts
  • Description: A description of the product.
  • Geography: The geography where the product is available.
  • Marketing part number: The marketing part number is the part number used for purchasing the product.
  • Service part number (FRU): The service part number for the product or one of the product's components.
Description Geography Marketing part number Service part number (FRU)

ThinkPad USB Charging Adapter 



Additional product information
Power Adapters - Reference Guide - A list of other power adapters
Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications of Lenovo products.

  • Alias ID:
  • Document ID: PD030865
  • Last Updated :17 Feb 2015
  • (c) 2014 Lenovo