Three Years of 80% Charge Limits on iPhone: The Results
Since 2023, Apple's newer iPhones have had an 80 percent charge limit for those who want to extend battery lifespan. Charging to 80 percent instead of 100 percent is supposed to put less stress on the battery, improving longevity. For the last three years, I've used that setting on my iPhone. I started with the iPhone 15 Pro Max , then did the iPhone 16 Pro Max , and most recently, the iPhone 17 Pro Max. After 12 months at an 80 percent maximum charge, my iPhone 17 Pro Max is at 97 percent maxim
Since 2023, Apple's newer iPhones have had an 80 percent charge limit for those who want to extend battery lifespan. Charging to 80 percent instead of 100 percent is supposed to put less stress on the battery, improving longevity. For the last three years, I've used that setting on my iPhone. I started with the iPhone 15 Pro Max , then did the iPhone 16 Pro Max , and most recently, the iPhone 17 Pro Max. After 12 months at an 80 percent maximum charge, my iPhone 17 Pro Max is at 97 percent maximum capacity with a cycle count of 277. Last year, my iPhone 16 Pro Max was at 94 percent capacity…