Stay unplugged longer with ThinkPad Battery 17 (3 cell) and ThinkPad Battery 17+ (6 cell). These rechargeable batteries use Lithium-Ion (Li-Ion) technology and can be used as a replacement for aging system batteries or as a convenient spare battery.

The ThinkPad Battery 17 (3 cell) (57Y4558) features:

• Lithium-Ion technology
• Three-cell, rechargable system batter
• Output Voltage: 10.8 V dc
• Battery Performance amp-hours: 2.2Ah
• Battery Performance Watt-hours: 24Wh
• Over-discharge protection
• Compatible with the ThinkPad External Battery Charger (40Y7625)

The ThinkPad Battery 17+ (6 cell) (57Y4559) features:

• Lithium-Ion technology
• Six-cell, rechargeable system battery
• Output Voltage: 10.8 V dc
• Battery Performance amp-hours: 5.2Ah
• Battery Performance Watt-hours: 57Wh
• Standard system battery specifications
• Over-discharge protection
• Compatible with the ThinkPad External Battery Charger (40Y7625)

Note: Battery life and recharge times will vary based on many factors including screen brightness, applications, features, power management, battery conditioning, and other customer preferences.

• ThinkPad Battery 17 (3 cell) (57Y4558):
  • Approximate height: 20 mm (0.8 in)
  • Approximate width: 214 mm (8.4 in)
  • Approximate depth: 33 mm (1.3 in)
  • Weight: 0.17 kg (0.37 lb)
• ThinkPad Battery 17+ (6 cell) (57Y4559):
  • Approximate height: 20 mm (0.81 in)
  • Approximate width: 214 mm (8.42 in)
  • Approximate depth: 54 mm (2.12 in)
  • Weight: 0.34 kg (0.75 lb)
• ThinkPad Battery 17 (3 cell) (57Y4558) packaged in a carton:
  • Approximate height: 54 mm (2.1 in)
  • Approximate width: 262 mm (10.5 in)
  • Approximate depth: 110 mm (4.3 in)
  • Weight: 0.27 kg (0.59 lb)
• ThinkPad Battery 17+ (6 cell) (57Y4559) packaged in a carton:
  • Approximate height: 54 mm (2.1 in)
  • Approximate width: 262 mm (10.5 in)
  • Approximate depth: 110 mm (4.3 in)
  • Weight: 0.44 kg (0.97 lb)

• 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)

1 year – Customer Replaceable Unit (CRU)

• Announce date: 05 Jan 2010 (Worldwide)
• Availability date: 05 Jan 2010 (Worldwide)
• Effective withdrawal date:
  • ThinkPad Battery 17 (3 cell) (57Y4558): January 2011

• Battery
• Publications

ThinkPad Battery 17:

• CE MARK
• UL/cUL
• ACA/C-Tick
• PSE
• KC

ThinkPad Battery 17+:

• CE MARK
• UL/cUL
• ACA/C-Tick
• PSE