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Foldable iPhone Ultra battery seen at 4,883 mAh, possible dual-cell design

A leak put the total battery capacity of Apple’s foldable iPhone, dubbed the iPhone Ultra, at 4,883 mAh, based on documents a battery supplier submitted to a regulator. The information suggests two batteries of 1,921 mAh and 2,962 mAh, implying a dual-cell structure used in foldable phones. The leak also cited battery figures for iPhone 18 Pro and Pro Max variants, while noting capacity alone does not determine real-world battery life.