High Performance 5200mAh 6 Cells 10.8V Laptop Battery for Lenovo IBM Thinkpad T60 T61 R60 R61 Z60 40Y6799, ASM 92P1138, ASM 92P1140, FRU 42T4504, FRU 42T4513, FRU 42T5233, FRU 92P1137, FRU 92P1139, FRU 92P1141 High Performance 5200mAh 6 Cells 10.8V Laptop Battery for Lenovo IBM Thinkpad T60 T61 R60 R61 Z60. Pls study the product desription below to make sure your original battery and laptop meet the compatibility of both the part # and models. We are direct from manufacturer and all batteries are made of A grade cells. Shipping from OHIO, USA, 2 to 5 days delivery guarantee. High capacity battery certified by CE and RoHS. 100% OEM compatible! Warranty: 30-day money back & 1-year guarantee!