Compatible with T400, R400, T61 14 W, R60/R61 14 W
• Lithium-Ion (Li-Ion) technology
• Four-cell, rechargeable system battery, 14.4 V dc, 2.6 Ah
• 3.2-3.6(Integ.)/2.3-2.4(Disc.) hour(1) average battery life
• Standard system battery specifications
• Over-discharge protection
(1) These model numbers achieved Battery Rundown Time of at least the time shown during testing. A description of the testing is available at lenovo.com/pc/ww/thinkpad/batterylife. Battery life (and recharge times) will vary based on many factors including screen brightness, applications, features, power management, battery conditioning and other customer preferences.
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