New Extended Replacement Laptop Battery for IBM Lenovo ThinkPad R61 (14"wide only) T61 (14" wide only) T400 R400 Series (Li-ion, 10.8V, 6600mAh, 72wHr, 9 cells) with 2 years warranty New Extended Replacement Laptop Battery for IBM Lenovo ThinkPad R61 (14"wide only) T61 (14" wide only) T400 R400 Series (Li-ion, 10.8V, 6600mAh, 72wHr, 9 cells) with 2 years warranty