ATC 9-C hi quality Battery FRU 92P1133 FRU 92P1137 FRU 92P1139 FRU 92P1141 fit for Lenovo ThinkPad T61 Series(14.1" standard screens and 15.4" widescreen) Lenovo ThinkPad T61p Series(14.1" standard screens and 15.4" widescreen) 84Wh/7800mAh