LENOVO 65W DC CAR TRAVEL ADAPTER CHARGER RECTANGULAR SLIM TIP w/ BAG 0B47481 03X6275 03X6274 8610T
Although Lenovo support says it is compatible with ThinkPad E135, E330, E335, E431, E440, E450, E455, E460, E465, E470, E475, E480, E485, E520, E530, E540, E550, E555, E560, E570 E575, L420, L430, L440, L450, L460, L470, L520, L530, L540, L560, L570, P50s, P51s, T430, T430s, T430u, T431s, T440, T440s, T440p, T450, T450s, T460, T460s, it is only if your laptop has the rectangular Slim Tip power port.
WARNING - If your ThinkPad has a round power port, this charger will not work without the additional purchase of the proper power port conversion adapter