IBM / Lenovo 42T4555 - 37Whr 14.4V 4-Cell Lithium-Ion Replacement Battery for Lenovo ThinkPad T61, R61, T400, R400 Laptops - CPU Medics
Wholesale Laptop battery pack for IBM ThinkPad R61 R61i R400 T400 T61 T61p 14.1" inch wide screen series 41U3197 41U3198 42T5229 42T5230 From m.alibaba.com
9Cell Battery for Lenovo IBM ThinkPad R60 R60e R61 R61e T60 T60p T61 R500 T500 | eBay
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