I am using the S26 , and the battery life doesn’t last for an extremely long day, but it’s decent- around 11–12 hours is fine. But if the battery is the only reason for buying it, then I feel it’s not that great a pick.
If you’re going for rough use or want a compact-sized phone, then it will give good performance and feel handy too. But if you are buying it only for the battery, I do not think it is a good choice
Battery is important, but I'd still consider cameras and size too
Not a bad reason at all. A good battery changes the whole phone experience.