One of the touted advantages of porting Windows 10 to work on the ARM64 architecture are claims of exceptional battery life. Samsung claims its new Qualcomm Snapdragon Galaxy Book S can deliver up to 25 hours of continuous video playback and our testing backs up the company's claims.
https://www.notebookcheck.net/Samsung-s-Snapdragon-8cx-powered-Galaxy-Book-S-lives-up-to-extraordinary-battery-life-claims.454062.0.html