Lenovo Dock Ultra Dockingstation AC Ladegerät Adapter Netzteil schwarz 135 W 45N0554
45N0554, 45N0362, 45N0366, 45N0502, 45N0501. AC_ADAPTER 135W 20VDC 3P WW DEL. This part is a genuine part direct from Lenovo so you can be sure you are receiving the highest quality product available.