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ThinkPad Battery 49 (3 cell), ThinkPad Battery 49+ (6 cell), ThinkPad Battery 50 (3 cell bay) - Overview

ThinkPad X300 Series Batteries

Features and specifications

The ThinkPad Battery 49 (3 cell), ThinkPad Battery 49+ (6 cell) and ThinkPad Battery 50 (3 cell bay) are rechargeable system batteries that can replace your original system batteries or be swapped in as spares.

The ThinkPad Battery 49+ (6 cell) delivers the greatest amount of run time for the ThinkPad X300 series notebooks. However, combine ThinkPad Battery 50 (3 cell) with ThinkPad Battery 49+ (6 cell) to extend the computing experience. For more information, go to: www.lenovo.com/alldaycomputing

The ThinkPad Battery 49 (3 Cell) (43R1965) features:

  • Lithium-Ion (Li-Ion) technology
  • Three-cell, rechargeable system battery
  • Standard system battery specifications
  • Over-discharge protection
  • Battery Energy: 27.3 watt hours
  • Compatible with the ThinkPad External Battery Charger
  • Previously named as: ThinkPad X300 Series 3 Cell Li-Polymer Battery

The ThinkPad Battery 49+ (6 Cell) (43R1967) features:

  • Lithium-Ion (Li-Ion) technology
  • Six-cell, rechargeable system battery
  • Standard system battery specifications
  • Over-discharge protection
  • Battery Energy (Watt-hours): 43.2 Wh
  • Compatible with the ThinkPad External Battery Charger
  • Previously named as: ThinkPad X300 Series 6 Cell Li-Polymer Battery

The ThinkPad Battery 50 (3 cell bay) (43R1966) features:

  • Combine ThinkPad Battery 27++ (9 cell slice) (57Y4545) with the system battery Battery 49 (3 cell) or Battery 49+ (6 cell) to extend the computing experience. For more information, go to: www.lenovo.com/alldaycomputing
  • Lithium-Ion (Li-Ion) technology
  • Three-cell, rechargeable system battery
  • Standard system battery specifications
  • Over-discharge protection
  • Battery Energy (Watt-hours): 23.7 Wh
  • Compatible with the ThinkPad External Battery Charger
  • Hot pluggable supporting "warm/hot swap" using a battery locking switch. When battery is un-locked, a "battery detach notification" is sent to ThinkPad system, the ThinkPad system switches power to the system battery
  • Previously named as: ThinkPad X300 Series 3 Cell Li-Polymer Bay Battery

 

Physical specifications

ThinkPad Battery 49 (3 cell) (43R1965):

  • Approximate height: 10 mm (0.4 in)
  • Approximate width: 256 mm (10.1 in)
  • Approximate depth: 72 mm (2.8 in)
  • Approximate weight: 0.23 kg (0.5 lb)

ThinkPad Battery 49 (3 cell) (43R1965) packaged in a carton:

  • Approximate height: 50 mm (2.0 in)
  • Approximate width: 300 mm (11.8 in)
  • Approximate depth: 135 mm (5.3 in)
  • Approximate weight: 0.33 kg (0.7 lb)

 

ThinkPad Battery 49+ (6 cell) (43R1967):

  • Approximate height: 13.0 mm (0.51 in)
  • Approximate width: 256 mm (10.07 in)
  • Approximate depth: 72 mm (2.84 in)
  • Approximate weight: 0.30 kg (0.7 lb)

ThinkPad Battery 49+ (6 cell) (43R1967) packaged in a carton:

  • Approximate height: 50 mm (2.0 in)
  • Approximate width: 300 mm (11.8 in)
  • Approximate depth: 135 mm (5.3 in)
  • Approximate weight: 0.40 kg (0.9 lb)

 

ThinkPad Battery 50 (3 cell bay) (43R1966):

  • Approximate height: 9.35 mm (0.37 in)
  • Approximate width: 129 mm (5.09 in)
  • Approximate depth: 138 mm (5.43 in)
  • Approximate weight: 0.20 kg (0.4 lb)

ThinkPad Battery 50 (3 cell bay) (43R1966) packaged in a carton:

  • Approximate height: 90 mm (3.6 in)
  • Approximate width: 210 mm (8.3 in)
  • Approximate depth: 190 mm (7.5 in)
  • Approximate weight: 0.50 kg (1.1 lb)

 

Manuals  Version
 Release Date
Setup Poster and Warranty Information for ThinkPad Battery 50 (3 cell bay) (15 MB)
April 2014 15 April 2014
Important information about Lenovo batteries (7.4 MB)
April 2014 15 April 2014

 

Operating environment
  • Temperature: 5 deg to 35 deg C (41 deg to 95 deg F)
  • Relative humidity: 8% to 95%
  • Shock: 50cm free drop
  • Vibration (Random RMS): 1.04 G (2 Hz to 200 Hz)

 

Warranty

1 year - Customer Replacement Unit (CRU) Service

  • Announce date: 26 Feb 2008 (Worldwide)
  • Planned availability date: 26 Feb 2008 (Worldwide)
  • Effective withdrawal date: 20 December 2011

 

Hardware compatibility
Systems
Machine - Models
ThinkPad X300, X301
All

Notes:

Packaging
  • Battery
  • Publications

 

Agency approvals
CE MARK, UL-60950, C-UL, C-Tick

 

Additional product information
Service parts - Part number listing for your product
Batteries: Reference Guide - A list of other batteries
Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications of Lenovo products.