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iPhone 18 Pro Max Requires 'Prepare to Ship' Battery Drain Before Shipping
MacRumors • • general
Key Points:
- The iPhone 18 Pro Max has a battery capacity exceeding 20 watt-hours, triggering additional shipping regulations that require the battery capacity to be limited through firmware before shipping.
- Apple has implemented an "innovative battery-firmware solution" that restricts the battery capacity to below 20Wh from manufacturing until the device is activated by the customer, at which point full capacity is restored.
- For repairs, trade-ins, or other shipments, users must use the new Prepare to Ship feature, which discharges the battery below 20Wh and sets a charge limit to comply with shipping rules; this feature is accessible via Settings.
- The Prepare to Ship process may cause the iPhone to become warmer than usual due to battery discharge, and users can undo this mode after a possible 14-day waiting period depending on the reason for activation.
- Apple assures that the iPhone 18 Pro Max is safe for shipping and air travel, and this procedure is unique to this model because no other iPhones have a single-cell battery exceeding 20Wh.
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