Rumors surrounding Apple's upcoming iPhone 18 lineup continue to emerge, with the latest leak focusing on battery capacity. New reports suggest that the iPhone 18 Pro Max could feature the largest battery ever installed in an Apple smartphone, potentially delivering significantly longer daily battery life.

Apple's Biggest iPhone Battery Yet

According to the latest leaks, Apple is preparing to introduce the largest battery in its smartphone history with the iPhone 18 Pro Max, a move that could extend battery life beyond improvements achieved through chipset and software optimizations alone.

The reports claim that the device may be offered in two battery configurations depending on the SIM technology used. The version equipped with a physical SIM card slot is expected to feature a 5,235mAh battery, while the eSIM-only variant could include a larger 5,425mAh battery.

The additional battery capacity is reportedly made possible by removing the physical SIM tray in eSIM-only models, freeing up internal space that Apple could utilize for a larger battery without noticeably increasing the phone's dimensions.

If the rumors prove accurate, the iPhone 18 Pro Max would feature the largest battery ever offered in an iPhone. The larger battery is also expected to work alongside Apple's rumored A20 Pro chip, improving power efficiency and extending usage time between charges.

However, Apple has not officially revealed any specifications for the iPhone 18 series. As a result, these details remain speculative until the company unveils the devices in the coming months.