Apple originally said that the iPhone 15’s battery, like several generations of iPhones before it, would retain up to 80% of its original capacity at 500 complete charge cycles. The company tells 9to5Mac that the iPhone 15 can retain 80% of its original capacity at 1000 complete charge cycles.
Apple says that its testing involved charging and discharging the battery 1000 times under specific circumstances representing common use cases. The improvement is due to Apple making continued updates to battery components and power management systems over the years.
Apple says that this change in battery cycle lifespan only applies to the iPhone 15, iPhone 15 Plus, iPhone 15 Pro, and iPhone 15 Pro Max. Previous iPhone models continue to be rated at retaining up to 80% capacity at 500 complete charge cycles. The company adds, however, that it is currently investigating older iPhone models, as well.
MacDailyNews Note: Check battery health on your iPhone 11, 12, 13, or 14: Go to Settings > Battery > Battery Health & Charging With iPhone 15 models with iOS 17.4 and later, you can see your battery health, when your battery was manufactured, when it was first used, the cycle count, and if a battery replacement is recommended via Settings > Battery > Battery Health.
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I wish Apple would put in the option to limit the iPhone to 80% and to provide an alert when it gets down to 20%. For those of us who work from home but charge our phones every night – this would extend battery life.
When connected to a charging device, if Apple prompted a Message “Do you want to charge to 100%?” When in the 80% mode, this gives users the option to temporarily full charge if they need it. Of course, Apple would rather sell you a new iPhone after two years but that just contributes to eco waste.
My iPhone 12 Pro still has 85% of the original battery capacity.
We really need to be able to easily check battery health on iPads. It’s ridiculous the hoops you have to jump through. Presumably it’s because Apple doesn’t want people realizing how much their battery has degraded and paying for a replacement which is not lucrative for Apple since they give you a refurbished device, they don’t replace your actual battery.