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ThinkPad Battery 41+ (6 cell) - Overview

ThinkPad T/R/W/SL 6 Cell Battery 40Y6799

Features and specifications

The ThinkPad Battery 41+ (6 cell) (40Y6799) features:

  • Lithium-Ion (Li-Ion) technology
  • Battery Energy: 56.16 Wh (Watt-hours)
  • Standard system battery specifications
  • Over-discharge protection
  • Compatible with the ThinkPad External Battery Charger (40Y7625)
  • Previously named as:
    • ThinkPad T/R/W/SL Series 6 Cell Li-Ion Battery
    • ThinkPad R60, R60e, T60, and T60p series 6 cell Li-Ion battery


  • This battery is also available in a retail packaged version for Europe. This design is for showcasing retail setting. The retail packaged version has the following languages: English, Italian, Polish, Slovakian, Slovenian, German, Greek, Czech and French. The option marketing part number is 45J7967
  • Battery life and recharge times will vary based on many factors including screen brightness, applications, features, power management, battery conditioning, and other customer preferences.

Physical specifications
  • ThinkPad Battery 41+ (6 cell) (40Y6799)
    • Approximate height: 20 mm (0.8 in)
    • Approximate width: 206 mm (8.1 in)
    • Approximate depth: 58 mm (2.3 in)
    • Weight: 0.33 kg (0.73 lb)
  • ThinkPad Battery 41+ (6 cell) (40Y6799) packaged in a carton:
    • Approximate height: 54 mm (2.1 in)
    • Approximate width: 238 mm (9.4 in)
    • Approximate depth: 146 mm (5.7 in)
    • Weight: 0.45 kg (1.0 lb)

Manuals  Version
 Release Date
Warranty Information (2.9 MB) Nov 2014 1 Dec 2014

1 year Limited customer carry-in exchange

  • Announce date: 05 Jan 2006 (Worldwide)
  • Planned availability date: 14 Feb 2006 (Worldwide)
  • Effective withdrawal date: 16 Dec 2014 (Worldwide)

Hardware compatibility
Machine - Models
ThinkPad R60, R60e
ThinkPad R61 15.4-inch wide, 15-inch standard, and 15.4-inch wide models
ThinkPad R61i 15.4-inch wide, 15-inch standard, and 15.4-inch wide models
ThinkPad R500
ThinkPad SL300, SL400, SL500
ThinkPad T60, T60p
ThinkPad T61 14-inch standard models, 15.4-inch wide models
ThinkPad T500
ThinkPad W500


  • Battery
  • Publications

Agency approvals
CE MARK, UL-1950, C-UL, ACA/C-Tick

Additional product information
Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications of Lenovo products.

  • Alias ID: MIGR-62480
  • Document ID: PD008374
  • Last Updated :15 Jan 2015
  • © 2015 Lenovo