How is the iPhone battery new change after iOS 26 Beta?

Before Apple released iOS 26, ESC had anticipated that this system update would introduce a brand-new AI-powered battery management system.

At the time, it was believed that this feature would be exclusive to Apple’s AI-enabled smartphones, but there was hope that it would extend to all iPhone models supporting iOS 26. Now that iOS 26 has officially debuted, the update does indeed enhance the iPhone’s battery management system—though not with AI capabilities. This means that any iPhone compatible with iOS 26 can benefit from this new feature.
The upgraded battery management system in iOS 26 provides deeper insights into users’ battery usage habits, allowing them to monitor power consumption across different apps. It also estimates the remaining charging time when the device is plugged in.
ESC believes that the charging time estimation feature is particularly practical, significantly alleviating users’ charging anxiety.
This is especially beneficial for older iPhone models, where battery health tends to degrade over time, leading to slower charging speeds.

Interestingly, the estimated charging time display is positioned at the top of the interface. ESC had previously speculated that Apple might place it in the Dynamic Island or at the bottom of the screen.

However, the small widget for estimated charging time is actually placed at the top of the lock screen, right above the clock. This centered design ensures users can easily check their current battery level and estimated charging time at a glance.
Of course, this widget only appears when the iPhone is charging.
Beyond charging time estimation, iOS 26 introduces additional battery-related features, including average power consumption tracking.
Instead of displaying background app battery usage over 24 hours or 10 days, iOS 26 now presents this data on a weekly basis. Users can compare their daily average power consumption with their weekly average.

This allows the system to analyze whether the iPhone’s battery life on a given day is above or below the average, helping users understand their usage patterns. Additionally, it provides insights into power-draining apps, enabling users to adjust their habits accordingly.
As for battery health metrics, iOS 26 continues to display charging cycle counts and overall battery health. Users can set charging limits based on their needs to prolong battery lifespan.

Since the iPhone 15 series, Apple has claimed that its batteries can endure over 1,000 charging cycles while maintaining at least 80% health, demonstrating increasingly refined battery management in recent years.
When an iPhone runs low on battery, users can enable Low Power Mode. With iOS 26, Apple has introduced an additional Adaptive Power Mode, which adjusts screen brightness based on usage to further extend battery life.

ESC believes that the battery management upgrades in iOS 26—whether for new or older iPhones—are highly practical tools that greatly enhance the user experience.
However, shortly after the iOS 26 beta was released, many third-party Apple batteries reportedly failed to charge. Some customers reported that even batteries using Texas Instruments (TI) or Sino Wealth (ZY) solutions from their original suppliers stopped working.
The reasons for this issue vary, but official solution providers have already issued notices. For example, TI has confirmed that their battery solutions are compatible with the iOS 26 beta.

This situation highlights the importance of choosing a reliable, long-term battery supplier—one that delivers on promises rather than cutting corners or misrepresenting products. ESC guarantees that all previously sold batteries (using TI, ZY, or other solutions) are fully compatible with the iOS 26 beta, ensuring normal charging without post-sale concerns.
Currently, iOS 26 is only available as a first beta, with the official release expected in September alongside the iPhone 17 series.
Therefore, ESC recommends holding off on upgrading to the beta version for now, as it lacks some functionalities and remains a work in progress. It’s better to wait three months for the full experience.