45J7968 - Lenovo 33 (4-Cell) Battery for ThinkPad T61 R61 R61I R400

Stay unplugged longer with Lenovo batteries. This rechargeable battery uses Lithium-Ion (Li-Ion) technology. It can be used as a replacement for aging system batteries or as a convenient spare battery. Battery life (and recharge times) varies based on many factors including screen brightness, applications, features, power management, battery conditioning, and other customer preferences.Features & Benefits:- Supports T/R61 & T/R400 14W Series notebooks- Lithium-Ion (Li-Ion) technology- Four-cell, rechargeable system battery, 14.4 V dc, 2.6 Ah- Standard system battery specifications- Over-discharge protection