Rumor: Apple Developing High-Silicon Batteries for Future iPhones

Apple is reportedly working on high-silicon battery technology for future iPhones, which could deliver significantly improved battery life and performance, according to leaker yeux1122.

In a recent Naver post, the leaker claims that starting next year, Chinese smartphone manufacturers will launch devices with battery capacities ranging from 7,000mAh to 8,000mAh, all while maintaining or even reducing device thickness.

In response, both Apple and Samsung are allegedly developing advanced batteries using new materials to remain competitive.


Here's some of the key details alleged in the report...

Key Points:
● From 2025, adoption of a new material called High Silicon to increase capacity. This trend is primarily observed in China, with Chinese manufacturers adopting it first. High Silicon offers greater capacity per unit weight compared to conventional lithium-ion battery cathode materials, maximizing battery capacity and charging speed.

● Samsung is directly involved in the development of materials such as cathode and anode components, pursuing completely new compositions to enhance battery material performance.

● Samsung has made significant progress in solutions that drastically increase silicon content while addressing issues like expansion.


● Apple is expected to adopt similar battery technologies starting in 2026.

The iPhone 16 Pro Max currently features a 4,685mAh battery. A move to 7,000–8,000mAh would represent an increase of up to ~70%, delivering a substantial boost in battery life. Such advancements could also support Apple's rumored efforts to achieve thinner iPhone designs without compromising performance.

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[iFixit Teardown]