Lenovo ThinkPad X1 3rd Gen AC Charger Adapter Power supply Black 170W 02DL141
02DL139, 02DL137, 02DL141. Slim 170W 20V 2P WW LTN. This part is a genuine part direct from Lenovo so you can be sure you are receiving the highest quality product available. Genuine Lenovo. Machine Type(s).