X240 Battery 68+ 45N1128 Battery Compatible with ThinkPad T440 T440s T450 T450s T460 T460P T470P T550 T560 L450 L460 L470 P50S W550s X250 X260 X270 45N1125 45N1126 45N1127 45N1129 0C52861 0c52862