Check these settings if your battery drops too fast.
Battery anxiety is the worst, and Battery Saver is a no-brainer feature that helps at just the right time. Standard Battery Saver steps in at the 20% mark, dims the interface, drops the screen refresh ...
Despite everything Apple says about its iOS optimization and fancy in-house Apple silicon chips, iPhones aren't special in the battery life department. They're more or less on par with the competition ...