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It's official: Smartphones will need to have replaceable batteries by 2027
(www.androidauthority.com)
This is a most excellent place for technology news and articles.
Well, there are some significant negatives to a powerbank solution.
And of course, when (not if) the battery dies, you can replace it at your leisure, instead of searching for a repair shop in the case of phone being glued shut. Battery is pretty much the only perishable component in your phone. If you keep your phone safe from falling or drowning, it can work just fine for decades. But the battery will need to be replaced one day, regardless of how careful you are. You also wouldn't need to pay the extra service fee if you can open the phone and put the new battery in yourself.
True, however the powerbank always was just a backup for peace of mind in unusual circumstances (long hike or similar). Its not like I'd regularly need more than a single charge a day.