Samsung's new teaser for the impending Note 9 launch is about our smartphone batteries dying in the middle of something important. While nothing much was revealed in the video, we do know that the battery in the Note 9 is going to get a significant bump.
https://www.notebookcheck.net/New-Samsung-Galaxy-Note-9-teaser-touts-battery-life-improvements.318382.0.html
"You want better battery life? Sure, just buy a Note 9 and you will get it. You will also receive a free fire-proof suit!"