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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
Warranty Information (2.9 MB) Nov 2014 1 Dec 2014
Important information about Lenovo batteries (2.9 MB)
Nov 2014 1 Dec 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
  • Effective withdrawal date for ThinkPad Battery 50 (3 cell bay) (43R1966): 16 Dec 2014

 

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

  • Alias ID: MIGR-69377
  • Document ID: PD013390
  • Last Updated :15 Jan 2015
  • (c) 2014 Lenovo