Key facts
- iPhone 18 Pro to receive a battery capacity increase.
- New 2nm chipsets and an improved C2 5G modem are expected to enhance endurance.
- The iPhone 18 Pro Max was previously rumored to receive the largest capacity upgrade.
Apple has been gradually increasing the battery capacities of its high-end iPhones. While the upcoming iPhone 18 Pro will see a modest battery bump, the primary drivers for improved battery life are expected to be advancements in chip and modem technology.