Battery Capacity And Endurance Revealed For Apple iPhone Duo

Apple disclosed the battery specifications for the upcoming iPhone Duo through an official European Union energy label.

NationPulse Desk

Oct 19, 2026 · 1:48 PM 1 min read

Battery Capacity And Endurance Revealed For Apple iPhone Duo

Key takeaways

Apple revealed the battery capacity of the iPhone Duo ahead of its launch.
The foldable device features a 4,883mAh lithium-ion battery split into two cells.
The EU energy label indicates a rated battery endurance of 51 hours and 30 minutes per cycle.
The battery retains performance for at least 1,000 charge cycles under default settings.
The iPhone Duo is sold worldwide as an eSIM-only device.

Ahead of the official release, Apple disclosed the battery size of the iPhone Duo. Pre-orders opened last week, and deliveries start later this week.

Apple released the European Union energy label for the iPhone Duo, providing specifics on battery power and projected longevity. The official paperwork shows that the foldable handset uses a 4,883mAh lithium-ion battery divided into two separate cells.

The energy document also shows a rated battery lifespan of 51 hours and 30 minutes for each charge cycle. The battery is built to maintain its capacity for a minimum of 1,000 charging cycles when using default configurations.

Because Apple offers the iPhone Duo globally as an eSIM-only smartphone, the battery size should stay consistent in every country. Actual daily battery performance can change based on individual settings and use habits.

Why it matters

Consumers purchasing the global eSIM-only iPhone Duo can expect a consistent 4,883mAh battery capacity and a rated endurance of 51 hours and 30 minutes per cycle.