Includes EXPEDITED SHIPPING AT CHECKOUT With Extended Performance Replacement Battery for select IBM, Lenovo Model Laptop / Notebook / Compatible with IBM Lenovo T60, IBM T60, T60, IBM Thinkpad T60, 40Y6799, ASM 92P1138, ASM 92P1140, FRU 92P1137, FRU 92P1139, FRU 92P1141, FRU 42T4504, FRU 42T4513, FRU 42T5233, FRU42T4504, FRU42T4513,FRU42T5233, ASM92P1138, ASM92P1140, FRU92P1137, FRU92P1139, FRU92P1141, LENOVO R500 ( 6 Cells, 4800 Mah )