Does limiting iPhone charging to 80% extend battery life?
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Both the iPhone 16 and the iPhone 15 before it offer the option to limit charging to 80% rather than 100%. The thinking is that many people don’t need the full battery capacity of the device in a typical day, and it reduces wear on the battery, extending its life.
But is the theory backed up by real-world results? A sister site of Macworld decided to collect some data and carry out a statistical analysis to find out …