Perhaps I'll finally update my 13 mini. I've been holding out hope that Apple will release another small form factor phone, but this may be the closest they will get.
The 16 at first felt freakishly huge after years of the 13 mini, but I’ve gotten used to it.
[1] "Your product is eligible for a battery replacement at no additional cost if you have AppleCare+ and your product's battery holds less than 80% of its original capacity." https://support.apple.com/iphone/repair/battery-replacement