Apple Foldable iPhone Ultra Battery Hints at Dual-Cell Design and ~4.9Ah Capacity

TL;DR Summary
A Chinese leaker claims Apple’s battery supplier registered two cells totaling about 4,883mAh (roughly 4.8–5.0Ah) for a foldable iPhone, suggesting a dual-cell, book-style design and fueling expectations for an iPhone Ultra launch alongside the iPhone 18 Pro lineup in September; this figure sits near rival foldables and contradicts earlier rumors of even larger packs, leaving the exact capacity still uncertain.
- Foldable iPhone Ultra Battery Capacity Allegedly Registered by Supplier MacRumors
- iPhone Fold To Feature A Dual-Battery Configuration, But If You Want Better Runtime, You’ll Have To Upgrade To The iPhone 18 Pro Max Instead Wccftech
- iPhone Fold battery now rumored to have less capacity than expected AppleInsider
- Leak: Apple iPhone Ultra to feature smaller battery than expected Notebookcheck
- Apple foldable to bring dual-cell battery, but smaller than iPhone 18 Pro Max Huawei Central
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