Apple is rumored to be working on a new high silicon battery technology for future iPhone models that should enable larger capacities and longer battery life, according to Asian sources (via iClarified).
The leaker yeux1122 on Naver, who has often provided accurate information in the past, claims that Apple and Samsung have sped up their development of high silicon batteries in an effort to catch up to Chinese smartphone vendors. Most Chinese OEMs have already deployed high silicon batteries on their devices, allowing them to pack much larger capacities than possible just a few years ago.
From next year, Chinese makers will expand their use of high silicon to create batteries as large as 8,000 mAh that occupy similar physical space inside smartphones as conventional batteries. Samsung is said to have made significant progress in adopting high silicon batteries while addressing safety issues like expansion. However, the first Samsung devices with this technology will likely arrive after Chinese smartphones.
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On the other hand, Apple is not expected to use high silicon batteries until 2026 at the earliest likely as part of the iPhone 18 Pro. This switch could allow the company to pack in significantly larger battery cells than what’s currently possible. Conversely, Apple could choose to shrink down the battery size while maintaining similar capacities as today, making volume inside the iPhone for other components like bigger camera sensors or speakers.
