A latest rumor claimed that the Apple iPhone 18 Professional Max’s eSIM mannequin will pack a 5,425 mAh battery, whereas the model with a bodily SIM tray will include a 5,235 mAh battery. We are actually new data that paints a barely completely different image.
New filings in China’s 3C database, noticed by tipster Digital Chat Station and sure referring to the iPhone 18 Professional and iPhone 18 Professional Max, reveal the battery capacities of each smartphones.

Apple iPhone 17 Professional Max
The iPhone 18 Professional Max’s eSIM mannequin will include a 5,567 mAh battery, whereas the bodily SIM tray mannequin will include a 5,391 mAh battery. Apple normally sells eSIM-only iPhones within the US, whereas different areas – together with China – get iPhones with a bodily SIM tray.
If the numbers within the 3C database are right, the eSIM-only iPhone 18 Professional Max will get a 479 mAh improve in battery capability over the iPhone 17 Professional Max, whereas the bodily SIM mannequin will get a 568 mAh improve.
Apple iPhone 17 Professional Max
The iPhone 18 Professional’s eSIM mannequin could have a 4,288 mAh battery beneath the hood, whereas the bodily SIM model will pack a 4,056 mAh battery. The iPhone 17 Professional’s eSIM and bodily SIM fashions got here with a 4,252 mAh and three,998 mAh battery, respectively.









