is the Samsung Galaxy Book Pro 360 13 with up to 31 hours on battery power. The 3-in-1 laptop weighing just over one kilogram (~2.2 lb) is also well equipped. However, the developers had to make some restrictions in terms of cooling for the slim design.
https://www.notebookcheck.net/Samsung-Galaxy-Book-Pro-360-13-in-review-Samsung-s-new-business-class-for-convertibles.547882.0.html