Entrada : 100-240V ~ 2.0A-1.0A 50-60 Hz Salida: 20V 4.5A Tipo de Conector: USB Potencia : 90W Nro. Part Compatible .: 45N0236, 45N0237, 45N0238, 45N0239, 0B46994, B46995, Modelos Compatibles : Lenovo ThinkPad X1 Carbon 344428U Ultrabook Lenovo ThinkPad X1 Carbon 344425U Ultrabook Lenovo ThinkPad X1 Carbon N3N25UK Ultrabook