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Battery capacities leaked via 3C certification
Days ahead of Apple's expected iPhone 17 announcement, a fresh leak from the Chinese 3C certification database — shared by tipster ShrimpApplePro on X — has surfaced alleged battery capacities for the new lineup. While these entries remain unverified by independent sources, they offer an early look at how Apple might balance battery capacity, power management and design across the 2025 iPhone family.
What the numbers say
The 3C listings indicate regional variants: some models retain a physical SIM slot while others are eSIM-only. The leaks list two battery sizes for three models and a single figure for the base iPhone 17. Reported capacities are:
- iPhone 17 Air: 3,036 mAh (SIM version) and 3,149 mAh (eSIM-only)
- iPhone 17: 3,692 mAh
- iPhone 17 Pro: 3,988 mAh and 4,252 mAh
- iPhone 17 Pro Max: 4,823 mAh and 5,088 mAh
If accurate, the iPhone 17 Pro Max could become Apple’s first phone to surpass the 5,000 mAh threshold — nearly an 8% increase versus the iPhone 16 Pro Max — promising longer screen-on time and improved battery life under heavy use.
Product features and efficiency gains
Battery capacity is only one part of the equation: Apple’s power efficiency improvements — likely driven by the new A-series chipset and reported C1 modem — will determine real-world endurance. The C1 modem is expected to improve cellular efficiency, reducing power draw during sustained data use and potentially extending battery life even on the smaller cells. The slimmer iPhone 17 Air, with its lower capacity, could rely heavily on modem and OS-level power optimization or an optional battery case to meet user expectations.
Comparisons and trade-offs
Compared with the prior generation, the iPhone 17 lineup appears to prioritize a spectrum of choices: the Air focuses on thinness and design, the standard model offers a mid-range balance, and Pro models push battery capacity and performance. The Pro Max variants aim at users who prioritize endurance, content creation, gaming, and extended 5G use.
Advantages and use cases
- Longer battery life on Pro Max benefits power users, travelers, and mobile creators.
- Smaller Air models are ideal for users valuing portability and a lighter handset.
- C1 modem and chipset-level power management help optimize battery life across mixed workloads.
Market relevance and final thoughts
This leak underscores ongoing industry trends: increasing battery capacities in flagship phones, a shift toward eSIM adoption in some regions, and the importance of modem efficiency for real-world endurance. While these specifications remain unofficial until Apple’s announcement, they give a clear snapshot of what to expect in terms of battery optimization, charging, and device segmentation across the iPhone 17 series.
Expect further clarity on charging speeds, battery health features, and software power-management improvements when Apple unveils the full specifications.
Source: gizmochina
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