We've already heard from past rumors that the iPhone 18 Pro Max is set to have the biggest battery ever seen in a non-folding iPhone. Now a new leak purports to give us the exact numbers.And we say numbers because there will be two of them. Like last year, the version of the phone that will be eSIM-only will have a bigger battery - 5,425 mAh in this case - than the one with a physical SIM slot. That one will have a 5,235 mAh battery.That is, of course, if this is accurate, and that's a pretty big if. The funny thing is that iPhones were never known for their battery sizes, but if...