Original Model Number LT450BAT, 0C52861, 0C52862, 121500146, 121500147, 121500148, 45N1124, 45N1125, 45N1126, 45N1127, 45N1128, 45N1129 Suitable Model Lenovo L450, L460, L470, P50s, T440, T440s, T450, T450s, T460, T460p, T470p, T550, T560LENOVO ThinkPad X240 series, X240S series, X250 series, X260 series, W550, W550s, X270 What's in the box 1 X Battery