Philip 🇪🇺🇺🇦Battery draining on iPhone: even though it does not show up in battery view Facebook is the culprit. Uninstall the app and use it through a secondary browser.
https://mjtsai.com/blog/2023/02/06/facebook-negative-testing/
"Facebook can secretly drain its users’ cellphone batteries, a former employee contends in a lawsuit." 🫥