87Wh Battery for IBM Lenovo Thinkpad T60 T61 T61p R61 R500 R61i R61e T500 SL500 | eBay
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
Amazon.com: Laptop Battery for IBM/Lenovo ThinkPad R61 R61i T61 T61p T61u T400 R400 Series (ONLY for 14.1-inch Widescreen), fits 42T4644 42T4645 42T4677 42T4678 42T4743 42T4745 42T4771 42T5262 42T5264 : Electronics