Specification:Replacement 20V 3.25A 65 Watt Rectangle AC Adaptor for Lenovo ThinkPad X1 Carbon G500 Yoga Helix
Compatible with following laptops:Lenovo E Series – Edge
E431 E531 Lenovo L Series
L440 L540 S Series
S440 S431 S540 S31 Lenovo T Series
T431s T440 T440s T440p T450 T540p Lenovo X Series
X1 Carbon X…More Info