What is optimize battery charging?
The watch face shows "optimize battery charging to preserve battery health."
iMac 21.5″, macOS 13.5
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"Optimize Battery Charging" is a feature available on Apple devices, including the Apple Watch, iPhone, and iPad. Its primary purpose is to help extend the overall lifespan of your device's battery by reducing the wear and tear that can occur over time.
Here's how it works:
- Machine Learning: The feature uses machine learning algorithms to understand your daily charging habits and patterns. It learns when you typically charge your device and how long it stays plugged in.
- Preventing Overcharging: One of the key ways it preserves battery health is by preventing your device from charging to 100% if it anticipates that you won't need a fully charged battery right away. This is because lithium-ion batteries, which are commonly used in smartphones and smartwatches, can degrade faster if they are consistently charged to their maximum capacity.
- Scheduled Charging: If you have a regular routine of charging your device overnight, for example, the feature may hold the charge at around 80% and then complete the charging to 100% just before you usually wake up. This way, your device is at maximum capacity when you need it.
Learn more About Optimized Battery Charging on your Apple Watch - Apple Support
The goal is to minimize the time your device spends at a full 100% charge, which can put extra stress on the battery and lead to capacity degradation over time. By doing this, the feature aims to extend the overall lifespan of your battery and help it maintain its capacity for a more extended period.
If you see the "Optimize Battery Charging" message on your Apple Watch, it's recommended to enable this feature, as it can contribute to better long-term battery health. You can usually find this setting in the Battery section of your device's settings.
Keep in mind that while this feature can help, no battery lasts forever, and over time, your device's battery will still experience some capacity loss. However, using features like "Optimize Battery Charging" can slow down the degradation process and potentially extend the usable life of your device.
