Unlock the Secret to a Longer iPhone Battery

November 7, 2024

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Unlock the Secret to a Longer iPhone Battery

Why Do You Need to Limit the Charge Level on Your iPhone

Most smartphones use lithium-ion battery cells which degrade over time, losing their original lifespan after frequent use. One of the major culprits that reduces the battery’s health is overcharging or continuously charging to 100 percent, which subjects the cells to stress and additional heat.

Wear and tear can be slowed down or reduced by limiting the battery charge limit, avoiding fully refilling it to 100 percent level as well as without getting it depleted to 0 percent for most of the time.

However, it’s also recommended that the battery level should be fully charged to 100 percent occasionally to keep an accurate battery state reading.

Optimized Battery Charging vs. Battery Intelligence

Essentially, both features are integrated in the same section but the availability depends on the iPhone model. But let’s dissect the function of each.

Optimized Battery Charging

Optimized Battery Charging was a feature added to the iPhone via iOS 13. It uses machine learning to automatically control the charging level on your iPhone based on the charging habits and patterns. Once it is enabled, the feature will slow down the charging time or speed past 80 percent until it reaches 100 percent.

Keep in mind that enabling Optimized Battery Charging will not limit the charging level to 80 percent as it will still continue to charge your iPhone to a full, but at a different rate. There’s also a method via tapping the charging widget in the lock screen to manually speed up charging time.

On the iPhone 14 and older models, this is limited to turning on and off the feature from the settings. According to Apple, this is activated by default when setting up your iPhone for the first time.

Battery Intelligence

Meanwhile, Battery Intelligence is an upgraded version of Optimized Battery Charging. It uses more advanced AI computing and is available on the iPhone 15, the iPhone 15 Pro (review), and later models like the iPhone 16 (review) and iPhone 16 Pro (review).

The main difference is that it is more accurate in predicting users’ charging patterns. Additionally, it adds three more charge levels with an increment of 5 percent from 80 percent to 100 percent that users can fine-tune.

With the upcoming iOS 18.2 update, Apple will add estimated charging time to Battery Intelligence. As usual, this will give you the measured time on when your iPhone will be fully charged. This is quite a surprise as Android had this tool for many years.