Battery charging

Most people charge their phones to capacity every night. This link may help...

Batteries - Maximizing Performance - Apple

MelC19 Said:

"Battery charging: Should I charge my iPhone 13 to 100%?"

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100% Battery Charge:

Yes. Keep a 100% charge on the iPhone while charging. If it doesn't make it to 100%, then make optimum use of it, not running media files, as they consume lots of power.