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iPhone 18 EU Battery Sizes Revealed!
11 Sep
Summary
- EU regulations mandate public energy labels for phones.
- iPhone 18 Pro has a 4,056 mAh battery, Pro Max a 5,391 mAh.
- North American models might feature slightly larger batteries.

New European Union regulations requiring public energy labels for smartphones have exposed the battery capacities for Apple's forthcoming iPhone 18 Pro and iPhone 18 Pro Max. The iPhone 18 Pro is now listed with a battery capacity of 4,056 mAh, and the larger iPhone 18 Pro Max will feature a 5,391 mAh battery within the EU and related regions.
These mandated labels also detail energy performance and other specifications, a departure from Apple's typical practice of withholding exact battery sizes. It's worth noting that phones sold in North America may contain slightly different battery sizes, a trend observed with previous iPhone generations. The EU iPhone 18 Pro's battery is marginally smaller than the previous year's eSIM-only iPhone 17 Pro but shows a slight increase over the nano-SIM variant.
Further analysis suggests the eSIM-only iPhone 18 Pro could reach approximately 4,313 mAh, while the iPhone 18 Pro Max might offer up to 5,653 mAh. These capacities, if accurate for the North American market, would represent significant increases, especially given Apple's usual battery size comparisons to competitors. Official confirmation of these specs, particularly for models outside the EU, is expected post-launch on September 18, likely through teardown analyses, as U.S. regulations do not mirror the EU's disclosure requirements. The iPhone Duo's release is slated for October 23, with its battery specifications expected to be revealed later.