Works at a small fraction of the cost of a new branded one, Genuine 90W Lenovo ThinkPad X1 Carbon 3460-AWU AC Adapter Charger Power Supply, Fort Meade Maryland, 20755
Genuine 90W Lenovo ThinkPad X1 Carbon 3460-AWU AC Adapter Charger Power Supply

Genuine 180W HP Pavilion TouchSmart 23-f218d AC Adapter Charger Power Cord

Does ANYone really utilize their laptop correctly unless they have, like, four cords? One for the home office desk, one for in front of the TV, one for your work office, and one that stays in your bag in case you might be, oh, some other place.
Works. Charges. Does not appear to show any difference in speed to the branded HP charger. Like it!