How To Protect Iphone Battery Life. Use auto-brightness Dark Mode and auto-lock to dimreduce screen output. A Lightning charger for the iPhone.
Optimized Battery Charging is on by default when you set up your iPhone or after updating to iOS 13 or later. Petri Oosthuizen EyeEm Getty Images. Compared with older generations of battery technology lithium-ion batteries charge faster last longer and have a higher power density for more battery life in a lighter package.
If a lithium-ion battery is discharged below 25 volts per cell a safety circuit built into the battery opens and the battery appears to be dead.
Low Power Mode reduces the overall power requirement and lets your battery last longer. Low Power Mode reduces the overall power requirement and lets your battery last longer. Enable Low Power Mode. Heat is by far the largest factor when it comes to reducing lithium-ion battery life.
