Apple is set to unveil the iPhone 17 this September, featuring several subtle yet beneficial upgrades in battery life and charging capabilities that enhance device longevity without necessarily increasing battery size.
Every new iteration of the iPhone generates the same high expectations: faster, more durable, smarter. However, Apple often remains reserved about battery specifics. Unlike some competitors who emphasize ultra-fast charging and substantial battery capacities, Apple prefers internal tweaks to optimize daily usage. This approach is evident in the upcoming iPhone 17 series.
The expected models — iPhone 17, 17 Air, 17 Pro, and Pro Max — are likely to feature batteries of similar capacity to those in the iPhone 16, such as the iPhone 16 Pro. However, Apple is set to introduce stacked battery technology, previously seen in the iPhone 15 Pro Max. This denser cell configuration enables more efficient energy use. Additionally, a new electric adhesive would significantly simplify battery replacements by loosening the adhesive with a mild electric current. This innovation marks a first for Apple and could enhance the device’s repairability.
The iPhone 17 could see improved battery life with its A19 chip and more efficient components
The real enhancement might come from its processor. The iPhone 17 and 17 Air are set to incorporate the A19 chip, while the Pro versions will feature a more powerful A19 Pro chip. Although the exact architecture is unclear (3 nm or 2 nm), Apple promises greater energy efficiency. Other components, such as the new OLED M14 screens and in-house 5G modems, are also expected to use less power. The anticipated result is an increase in battery life without the need for a larger battery.
When it comes to charging, the upgrades are more modest. There’s no increase in wired charging power, which is expected to remain between 27 and 30 W. However, an important new feature might debut on the Pro models: reverse wireless charging. Apple is reportedly testing a 7.5 W output to power devices like AirPods or an Apple Watch via the back of the phone. This would still utilize MagSafe technology, capped at 15 W. The entire series will retain the USB-C port with fast charging via USB Power Delivery. Consistent with recent practices, no charger will be included in the box.
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