Specification:Replacement 20V 4.5A 90 Watt Rectangle AC Adaptor for Lenovo ThinkPad X1 Carbon G500 Yoga Helix
Compatible with following laptops:Lenovo E Series – Edge
E431 E531 E51-80 Lenovo L Series
L440 L540 Lenovo S Series
S440 S431 S540 S31 Lenovo T Series
T431s T440 T440s T440p T450 T540p Lenovo X Series
X1 …More Info