Why you shouldn't calibrate the battery in your iPhone, iPad, or iPod
How to Calibrate Your iPhone's Battery | Appledystopia
Here is how to calibrate & maximise your Mac, Apple Watch, iPhone, iPad or iPod touch battery life & performance - Mandar Apte - UI, UX, Logo, Symbol, Brand Identity, Graphic, Web
Can I somehow "reset" my iPod's battery? | MacRumors Forums
Apple iPod touch (2019) Review | PCMag
iPod touch (3rd Gen) Battery
iPod touch 6th Gen - Battery Life Problems - Down and up, and down, and up...etc... | iMore
4th gen Mono battery life sucks, but it's a new battery. What kind of life do you guys get from yours? : r/ipod