At some point, we have all anxiously watched our phone battery hover around the danger zone of 5% or less. Phones are ...

How to set a charge limit. If you want even more control over your iPhone battery, you can use a feature called Charge Limit.

Phone batteries are efficient ... "If you have Charge Limit set to less than 100 percent, your iPhone will occasionally charge to 100 percent to maintain accurate battery state-of-charge estimates ...