iPhone 18 Pro tipped for minor battery gains this year — but there's a hidden upgrade coming
The iPhone 18 Pro is expected to have a slightly larger battery compared to its predecessor, but the gains will be modest. The new model will feature a 4,056 mAh battery, with an eSIM-only version offering 4,288 mAh. However, the introduction of the A20 chip may enhance overall battery efficiency and performance.
- ▪The iPhone 18 Pro will have a 4,056 mAh battery in its standard configuration.
- ▪The U.S. eSIM-only model of the iPhone 18 Pro is expected to have a 4,288 mAh battery.
- ▪Apple's new A20 chip is anticipated to improve power efficiency by 30% compared to the previous A19 chip.
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Phones iPhones iPhone 18 Pro tipped for minor battery gains this year — but there's a hidden upgrade coming News By Tom Pritchard published 3 June 2026 A slightly bigger battery is only part of the story When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. (Image credit: Aptenod / YouTube) Copy link Facebook X Reddit Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter Big batteries have never really been part of Apple's forte when it comes to the iPhone, but that has changed over the last few years. The larger and more premium iPhone models have seen a rapid rise in battery capacity, culminating in the eSIM-only iPhone 17 Pro Max's 5,088 mAh battery pack.
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