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ThinkPad 135W AC Adapter - Overview

135 Watt AC Power Adapter

Features and specifications

The ThinkPad 135W AC Adapter (55Y9317* - United States) offers:

  • Plugs into available wall outlet to deliver AC power to your ThinkPad W510 laptop and to recharge the system battery
  • Offers the same specifications as the standard AC adapter that ships with the ThinkPad W510 laptop
  • Optimized for the ThinkPad W510, however also compatible with other ThinkPad systems

Note: ThinkPad 135W AC Adapter varies by country. Service Parts has a listing of the various country part numbers for the 135W AC Adapter.

Technical information

Performance specifications:

  • AC type: Universal Input, Worldwide Agency Support
  • AC input voltage: 100 V to 240 V; 50/60 Hz
  • Input connection: Includes standard AC power cord

Physical specifications:

  • Approximate height: 35.0 mm (1.38 in)
  • Approximate width: 80.0 mm (3.15in)
  • Approximate length: 165.0 mm (6.50 in)
  • Weight: 830 g (1.83 lb) - - weight does not include the country-unique power cord

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))


1 year - Customer Replaceable Unit (CRU)

  • Announce date: 07 Jan 2010 (Worldwide)
  • Availability date: 15 Jan 2010 (Worldwide)

Hardware compatibility
Machine - Models
ThinkPad T400s, T410, T410i, T410s, T410si, T420, T420s, T510, T510i
ThinkPad T520
ThinkPad W510


  • ThinkPad 135W AC Adapter is designed and optimized for the ThinkPad T520, W510, however also compatible with other ThinkPad systems.
  • ThinkPad W520 requires the ThinkPad 170W AC Adapter
  • ThinkPad 135W AC Adapter
  • User's guide
  • AC power cord (varies by country)

Agency approvals
UL, C-UL, CE, NEMKO, PSE, S Mark (Argentina), PSB, GOST, C-Tick, BSMI, NOM (Mexico), FCC, CCC (Safety & EMI), ICES, Serbia, CB Certificate/Report, AU/N. Zealand Safety Num., Croatia EMC Approval, ENEC, KC, eStandby

Additional product information
Service parts - Parts listing for your product
Lenovo Support: Power Adapter - Reference Guide list - A list of other power adapters
Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications of Lenovo products.