Apple develops a new system that predicts when your iPhone will run out of battery

Apple develops new system to predict when your iPhone will run out of battery, it seems the company is planning to add even more related features to iOS. The US Patent & Trademark Office this week granted a patent to Apple for a new system that can predict and warn users when an iPhone’s battery is running low.

As noted by Apple Insider, the patent is described as a “Rechargeable Battery Smart Notification.” Instead of helping preserve battery life internally like some iOS features do, this new system will help users know how long the battery will last during the day based on their recent usage.

On current devices, users only get low battery warnings when it hits 20%, but the patent shows a way to make these notifications more intelligent and personal. While this works well in most cases, Apple gives an example where a user forgot to recharge their phone overnight and only received a low battery warning before leaving for work.

Often, a “low battery” indication based on a fixed remaining charge threshold is not received in time for the user to take corrective action. For example, if a user usually charges his smartphone at night, but forgets to do so one time, receiving a “low battery” notification right before going to work the next day will not giving users time to charge their phones before work.

If you’re a Mac user, you may have noticed that macOS displays estimated battery life to the user, but this patent describes a more complex system than that. For example, it will determine user behavior on different days of the week to tailor battery warnings for each day. The system will also work based on the user’s location, but Apple reinforced that data will be processed locally due to privacy concerns.

Given the current state of charge of the energy storage device computing system, a notification can be sent to the user if there is a high probability that the user will not make it until the next high probability charge. However, if analysis of current and stored charge status information indicates that the user will not reach the next high probability charge time without running out of power, the computing device may display an advisory to notify charging at 10pm, even though the current state of the charge is greater than a fixed threshold of 10% remaining power. 

While the patent filed by Apple won’t necessarily be actually used, the company recently added a new battery recalibration tool for iPhone 11 users with the iOS 14.5 beta. Additionally, iOS also displays the maximum capacity of the battery inside the device so it wouldn’t be surprising if Apple introduced a feature like this described in the patent with iOS 15.

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