There is no way to overcharge the iPhone as it will stop charging the moment it reaches 100%.
and wait until its down 1 or 2% before charging again.
Also the iPhone will fast charge up to 80%, and then slow the charging process until it reaches 100%.
Its designed so overcharging is virtually impossible.
Is it OK to leave iPhone charging overnight?
You may have heard that charging your iPhone overnight is bad for the battery. According to Battery University, a website run by the company Cadex, charging your phone when its already fully charged keeps it in a high-stress, high-tension state, which wears down the chemistry within and does lasting damage.
How often should I charge my iPhone 11?
The Best Practice, however, is to charge the phone overnight, every night. As it stops automatically at 100% you can’t overcharge it doing this. You thus start the day with a fully charged phone.
Should you fully charge a new iPhone?
The initial charge of a new iPhone is very important. To do it right, charge your new iPhone for at least 3 hours before using it for the first time. Don’t forget to use the included wall charger – not your computer’s USB port – to charge it this first time.
Will leaving iPhone screen on damage it?
While Apple has not made any statement addressing the question of burn in for an iPhone screen, the general consensus is that there is no need for concern about burn in with iPhone screens.
When should you charge your phone?
When should I charge my phone? The golden rule is to keep your battery topped up somewhere between 50- and 90% most of the time. So top it up when it drops below 50%, but unplug it before it hits 100%. For this reason you might want to reconsider leaving it plugged in overnight.