90W lenovo USB: 90W 20V 4.5A. ThinkPad X1 Yoga laptop/tablet, Thinkpad X1 Carbon (2018 model),x1 carbon 5th 7th gen. 65W lenovo USB:65W 20V 3.25A. Thinkpad X1 series Thinkpad X1 Yoga 2nd 3rd Gen, Thinkpad X1 Carbon 5th 6th Gen.
eBay