Thought this would be of interest to many of you who rely on laptops for Logos.
https://www.cnet.com/news/top-25-battery-life-laptops/?ftag=CAD1acfa04&bhid=20649030440731852583776412830872
As an addition, these links might be useful. As an IT manager, I find that many people do things that are not conducive to good battery life (like leaving it plugged in all of the time).
http://batterycare.net/en/guide.html
http://www.pcmag.com/article2/0,2817,2458636,00.asp
Hope it helps
Dean