Apple is reportedly preparing its most significant battery upgrade in iPhone history. According to new rumors from Chinese sources, the iPhone 17 Pro Max will be the first iPhone to reach 5,000 mAh battery capacity, marking a substantial increase from the current iPhone 16 Pro Max’s 4,685 mAh cell.
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iPhone 17 Pro Max Coul Finally Catching Android Flagships
This milestone would bring Apple in line with flagship Android devices, where 5,000 mAh has been the standard capacity for years. Chinese brands have recently pushed beyond this threshold using silicon-carbon (Si/C) batteries, while Samsung and Google have maintained the 5,000 mAh benchmark.
| iPhone Pro Max Battery Evolution | Capacity (mAh) | YoY Change |
|---|---|---|
| iPhone 11 Pro Max | 3,969 mAh | – |
| iPhone 12 Pro Max | 3,687 mAh | -7% decline |
| iPhone 13 Pro Max | 4,352 mAh | +18% increase |
| iPhone 14 Pro Max | 4,323 mAh | -1% slight decline |
| iPhone 15 Pro Max | 4,441 mAh | +3% increase |
| iPhone 16 Pro Max | 4,685 mAh | +5% increase |
| iPhone 17 Pro Max (rumored) | ~5,000 mAh | +7% increase |
Revolutionary Battery Life Potential
If the rumors prove accurate, this represents nearly a 10% capacity increase over the current generation. Apple claims the iPhone 16 Pro Max delivers up to 33 hours of video playback, suggesting the iPhone 17 Pro Max could potentially reach 35 hours of continuous usage.
The leaked information comes from “Instant Digital,” a Weibo leaker with a mixed but notably accurate track record for Apple predictions, including correct calls on iPhone 16 Pro battery capacities and Apple Watch Series compatibility.
Design Changes Enable Larger Battery
The increased battery capacity likely stems from rumored design modifications. The iPhone 17 Pro Max is expected to be thicker to accommodate the larger cell, with thickness potentially increasing from 8.25mm to 8.725mm. Additionally, rumors suggest a redesigned camera system could create more internal space for battery expansion.
Industry analysts note that Apple’s battery technology improvements, combined with the more efficient A19 Pro chip, could deliver the most significant battery life advancement in iPhone history.
Apple’s Strategic Battery Push
This development aligns with Apple’s broader battery technology initiatives. The company has been developing custom batteries since 2018, with reports suggesting completely new battery technology could debut in 2025. Apple’s lithium-ion battery approach emphasizes fast charging to 80% capacity before switching to trickle charging for longevity.
The rumored capacity increase also addresses long-standing user demands for all-day battery life, especially as AI features and computational photography demand more power from modern iPhones.
Android Parity Achievement
Reaching 5,000 mAh would represent a significant psychological milestone for Apple, matching the capacity that Android manufacturers have offered for years. This could reduce one of the key advantages that Android flagships have traditionally held over iPhones in battery endurance.
The iPhone 17 lineup is expected to launch in September 2025, with the Pro Max potentially setting new standards for premium smartphone battery performance.
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Apple’s battery revolution is coming – the iPhone 17 Pro Max could finally deliver the all-day performance users have been demanding.
