Original Lenovo 20V 4.5A 90W Adapter For Lenovo ThinkPad X1 Carbon 3443, 3444, 3446, 3448, 3460, 3462, 3463 Series Ultrabook Model Numbers: Lenovo ThinkPad X1 Carbon 3444CUU, Lenovo ThinkPad X1 Carbon 3444CWU, Lenovo ThinkPad X1 Carbon 3444CXU, Lenovo ThinkPad X1 Carbon 3444CYU, Lenovo ThinkPad X1 Carbon 3444F7U, Lenovo ThinkPad X1 Carbon 3444F8U, Lenovo ThinkPad X1 Carbon 3444F9U, Lenovo ThinkPad X1 Carbon 3444FAU, Lenovo ThinkPad X1 Carbon 3444FBU. Bundle - 3 items: AC Adapter, Power Cord and ElecPower Optical Mouse - Grey. 100% Compatible with Lenovo Part Number: 0B46994, 45N0237, FRU 45N0238, ADLX90NLC3A, 36200252, 45N0245, FRU 45N0246, PA-1900-72.