Since my battery health is still high, it didn't reduce the maximum charge even after being plugged in for multiple days. In my tests, it drained the battery a bit after being plugged in for a while and then recharged it back to 100%. This happens as needed to ensure that your battery charges to a level that's optimized for your usage-reducing wear on the battery, and slowing its chemical aging.īut what does that mean exactly? The description in the System Preferences is a bit clearer:Īccording to this message, OS X will start reducing the maximum charge of the battery when it ages, to extend its lifespan. Based on the measurements that it collects, battery health management may reduce your battery's maximum charge when in this mode. The feature does this by monitoring your battery's temperature history and its charging patterns. Apple describes the feature as: The battery health management feature in macOS 10.15.5 is designed to improve your battery's lifespan by reducing the rate at which it chemically ages. It is found under System Preferences > Energy Saver. In Mac OS Catalina 10.15.5, Apple has introduced a new feature called Battery Health. To avoid this from happening again, I started looking for a way to control the charging behavior of my MacBook. To replace the swollen battery, the entire Topcase had to be replaced. Upon inspection with a ruler, I noticed that the keyboard was curved because the battery had swollen. I first noticed that there's a problem when my trackpad wasn't clicking properly anymore. For Lithium-Ion batteries, it's not healthy to remain charged at 100% all the time. This means my MacBook is constantly connected to the charger. Since the beginning of the corona pandemic, I work from home. 4 min The scary sign of a buldging macbook battery
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