Green Cell Akku - Lenovo ThinkPad 14.1 R61, T61, R400, T400 Series - 10.8V - 4400mAh
Lenovo 42T5228 - 37Whr 14.4V 4-Cell Lithium-Ion Replacement Battery for Lenovo ThinkPad T61, R61, T400, R400 Laptops - CPU Medics
Laptop Battery 42T5225 for IBM Lenovo ThinkPad T61 R61 T400 R400 - Green Cell
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 ...