42T4623 - 6-Cell 41+ Replacement Battery Compatible with IBM ThinkPad T60 T61 R60 R61 Z61 T61p T60p T500 W500 SL500 - CPU Medics
Amazon.com: 40y6797 Lenovo Hi Capacity 9 Cell Replacement Battery 41++ for R60/r60e/r61 15.4 Inch Wide Screen/15.4 Inch Standard Screen/r61i 15.4 Wide Screeen/15.4 Inch Standard Screen/r500/sl300/sl400/sl500/t60/t60p/t61 14.1 Inch Standard Screen/15.4 ...