This is a brand new Lenovo Thinkpad 3-Cell battery pack. It is a genuine Lenovo oem battery. This is the 68+ (6-cell) battery is not compatible with 68 (3-cell) model.
Comp. Models: Thinkpad L450, L460, T440, T440S, T450, T450S, T460, T460P, T470P, T550, T560, W550S, X240, X250, X260, X270
Part Numbers: 121500146, 121500147, 45N1124, 45N1125, 45N1126, 45N1127, 45N1128, 45N1129