JAKARTA - Apple is again expected to increase battery life on the iPhone 18 Pro Max. However, the increase is said to be the smallest in recent years. This information comes from the latest leak ahead of the launch of the next generation of iPhones.
According to rumors shared by technology leaker Digital Chat Station on the Weibo platform, the iPhone 18 Pro Max will come with different battery capacities for the Chinese and US markets. The Chinese model is said to carry a battery with a capacity of around 5,000 mAh, while the US version is expected to have a battery between 5,100 and 5,200 mAh.
This capacity difference is associated with the use of SIM cards. The Chinese model still relies on a physical SIM that takes up internal space on the device, while the US version of the iPhone uses an eSIM entirely, thus providing more space for the battery.
For comparison, the iPhone 17 Pro Max is listed with a battery capacity of 4,823 mAh for the Chinese version and 5,088 mAh for the United States version. Thus, the increase in battery capacity on the iPhone 18 Pro Max is estimated to be only in the maximum range of 2.2 percent, much smaller than the 8.6 percent increase that occurred on the iPhone 17 Pro Max compared to the previous generation.
Even though the battery capacity only increases slightly, the durability of the iPhone 18 Pro Max is not only determined by the size of the battery. Another factor that plays a big role is the power efficiency of the A20 chipset which is predicted to bring performance improvements while consuming more power.
Apple has never officially announced the battery capacity and prefers to make claims in the form of estimated hours of use. Therefore, a small increase in battery capacity still has the potential to produce better durability if accompanied by software optimization and the latest generation processor.
However, this leak still needs to be further confirmed given the track record of Digital Chat Station which is not always consistent. Other leaks also mention that the iPhone 18 Pro and iPhone 18 Pro Max will not bring significant external design changes compared to their predecessors.
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