ThinkPad T60/R60 Series (14-inch wide) Enhanced Battery - The ThinkPad T60/R60 Series battery options for 14-inch wide systems come in three capacities for maximum battery life flexibility. All batteries are rechargeable, and they can be used as replacements for aging system batteries or as convenient spares. The ThinkPad T60/R60 (14-Inch Wide) Enhanced Battery offers up to 5.5 hours of charge time.