T400 Battery for Lenovo ThinkPad T61 R61 R400 T61P 14.1" Widescreen Notebook PC – ASA College: Florida
Who Knew Thinkpad Batteries Require A Jump Start? | Hackaday
Premium Power Products Compatible 9 cell 7800 mAh battery for Lenovo Thinkpad R61 T61 For Notebook Battery Rechargeable 7800 mAh 10.8 V DC 1 - Office Depot
Lenovo ThinkPad T400 Battery
IBM ThinkPad T400 LIB204 4400 mAh / 48Wh Notebook Battery - BattDepot United States
42T4532 - IBM Lenovo 9-Cell High Capacity Battery 33++ for ThinkPad T400 R400 T60/61 R60/R61
Green Cell 4400mAh battery compatible with Lenovo IBM ThinkPad R61 ...