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ThinkPad Battery 25 (4 cell), ThinkPad Battery 25+ (6 cell), ThinkPad Battery 25++ (9 cell) - Overview

ThinkPad Battery 25, 25+, 25++

Features and specifications

The ThinkPad Battery 25 (4 cell), ThinkPad Battery 25+ (6 cell), ThinkPad Battery 25++ (9 cell) are rechargeable batteries that use Lithium-Ion technology. They can be used as a replacement for aging system batteries or as a convenient spare battery.

The ThinkPad Battery 25 (4 cell) (51J0498) features:

  • Lithium-Ion (Li-Ion) technology
  • Four-cell, rechargeable system battery
  • Battery Energy: 32 Wh (Watt Hours)
  • Meets standard system battery specifications
  • Over-discharge protection
  • Compatible with the ThinkPad External Battery Charger
  • Previously name as: ThinkPad SL410/510 4 cell Li-Ion Battery

The ThinkPad Battery 25+ (6 cell) (51J0499) features:

  • Lithium-Ion (Li-Ion) technology
  • Six-cell, rechargeable system battery
  • Battery Energy: 57 Wh (Watt Hours)
  • Meets standard system battery specifications
  • Over-discharge protection
  • Compatible with the ThinkPad External Battery Charger
  • Previously name as: ThinkPad SL410/510 6 cell Li-Ion Battery

The ThinkPad Battery 25++ (9 cell) (51J0500) features:

  • Lithium-Ion (Li-Ion) technology
  • Nine-cell, rechargeable system battery
  • Battery Energy: 94 Wh (Watt Hours)
  • Meets standard system battery specifications
  • Over-discharge protection
  • Compatible with the ThinkPad External Battery Charger
  • Previously name as: ThinkPad SL410/510 9 cell Li-Ion Battery

 

Physical specifications

ThinkPad Battery 25 (4 cell) (51J0498):

  • Approximate height: 20 mm (0.8 in)
  • Approximate width: 207 mm (8.2 in)
  • Approximate depth: 56 mm (2.2 in)
  • Weight: 0.24 kg (0.53 lb)

ThinkPad Battery 25+ (6 cell) (51J0499):

  • Approximate height: 20 mm (0.8 in)
  • Approximate width: 207 mm (8.2 in)
  • Approximate depth: 56 mm (2.2 in)
  • Weight: 0.34 kg (0.75 lb)

ThinkPad Battery 25++ (9 cell) (51J0500):

  • Approximate height: 21 mm (0.8 in)
  • Approximate width: 218 mm (8.6 in)
  • Approximate depth: 78 mm (3.1 in)
  • Weight: 0.50 kg (1.10 lb)

ThinkPad Battery 25 (4 cell) (51J0498) packaged in a carton:

  • Approximate height: 48 mm (1.9 in)
  • Approximate width: 295 mm (11.6 in)
  • Approximate depth: 132 mm (5.2 in)
  • Weight: 0.37 kg (0.81 lb)

ThinkPad Battery 25+ (6 cell) (51J0499) packaged in a carton:

  • Approximate height: 48 mm (1.9 in)
  • Approximate width: 295 mm (11.6 in)
  • Approximate depth: 132 mm (5.2 in)
  • Weight: 0.47 kg (0.88 lb)

ThinkPad Battery 25++ (9 cell) (51J0500) packaged in a carton:

  • Approximate height: 48 mm (1.9 in)
  • Approximate width: 295 mm (11.6 in)
  • Approximate depth: 132 mm (5.2 in)
  • Weight: 0.63 kg (1.38 lb)

 

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: 22 Oct 2009 (Worldwide)
  • Planned availability date: 22 Oct 2009 (Worldwide)

 

Hardware compatibility
Systems
Machine - Model
ThinkPad Edge 14, Edge 15
All
ThinkPad Edge E420, E425, E520, E525
All
ThinkPad SL410, SL510
All
ThinkPad External Battery Charger
- - - -

Note: For the latest updates on the compatible systems, please refer to the Accessories Compatibility Guide.

Packaging
  • Battery
  • Publications

 

Agency approvals
CE MARK, UL/cUL, ACA/C-Tick, PSE

 

Additional product information
Service parts - Part number listing for your product
Lenovo Support: Batteries: Reference Guide - A list of other batteries
Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications of Lenovo products.
All Day Computing (www.lenovo.com/alldaycomputing) - Information on batteries, including estimated battery life, and power adapters

  • Alias ID: MIGR-73702
  • Document ID: PD013755
  • Last Updated :17/06/2014
  • (c) 2014 Lenovo