How to Set a Custom Charge Limit on iPhone

A custom charge limit on iPhone is available on iPhone 15 models and newer with iOS 17 or later. Open Settings > Battery > Charging, choose a limit from 80% to 100% in 5% increments, and select 90% for an iPhone charge limit of 90 percent.

🤔Note:

An iPhone may occasionally charge to 100% even when a lower charge limit is selected. This helps maintain accurate battery percentage estimates.

Steps

Update the iPhone to the latest available iOS version through Settings > General > Software Update.
Open Settings and select Battery.
Tap Charging on supported iPhone models.
Drag the charge-limit slider or tap the preferred percentage, such as 90%.
Connect the charger. The iPhone stops charging near the selected maximum percentage, although occasional charging to 100% can occur for battery percentage calibration.

Common Issues and Fixes

The Charging option is missing: The iPhone may be an iPhone 14 or earlier, or the software may be outdated. Install the latest iOS version available, then confirm the iPhone model.
Only 80% appears as an option: The setting may be using the default limit. Tap Charging and move the slider to select 85%, 90%, 95%, or 100%, depending on the available iOS version.
The iPhone charges beyond the selected limit: Occasional charging above the limit supports battery-state accuracy. Repeated full charging can also occur after settings changes or software updates.
The iPhone reaches 100% despite a 90% limit: The charge limit may be set to 100%, or the device may have temporarily overridden the limit for calibration. Recheck Settings > Battery > Charging.
Battery life feels insufficient: A lower limit reduces available capacity during the day. Choose 95% or 100% when longer daily use matters more than reducing battery aging.

Quick Tips

💡Protip:

The choose iPhone maximum charge percentage feature is limited to iPhone 15 and newer models.
iPhone 14 and earlier models cannot set a fixed 90% cap. Optimized Battery Charging is the available alternative under Settings > Battery > Battery Health & Charging.
A 90% limit can help reduce time spent at a high charge level, but battery aging also depends on heat, charging habits, and overall usage.
Wireless charging, wired charging, and MagSafe charging follow the same selected charge limit.

Can an iPhone charge limit be set to 90 percent?

Yes. iPhone 15 and newer models can select 90% through Settings > Battery > Charging, provided the device runs a supported iOS version.

Does a charge limit improve iPhone battery health?

A lower limit can reduce high-charge exposure and may help slow battery aging. The setting cannot prevent normal battery degradation or heat-related wear.

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