20V 4.5A 90W AC Adapter Battery Charger for Lenovo Thinkpad X1 Carbon T440 E431 Lenovo IdeaPad Z510 6277-9QU PA-1900-081;Lenovo Essential G700 G710 G405 AC Input: 100 ~ 240V 50~60Hz,DC Output: 20V 4.5A 90W ; Connector: yellow USB tip(square tip). Replacement for part number: 45N0236, 45N0237, 45N0238, 45N0239 0B46994, 0B46995. Package: 1x Ac adapter & 1x Ac power cable. Condition:100% OEM compatible, works as original part,12 months replacement warranty!