Apple confirmed that the iPhone 15 series offers tangible improvements when it comes to battery lifespan. All four iPhone 15 models can retain up to 80% of their original capacity after 1,000 charges under ideal conditions while previous models were rated at 500 charges for the same capacity.
Apple also told 9to5 Mac that it used a specific charging test which involved charging and discharging the battery 1,000 times under specific conditions that would simulate real-world use cases.
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