Battery iphone 12
Is it normal for my battery iphone 12 from 97% drain into 96% in just 2 days?
iPhone 12, iOS 14
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People need to stop constantly watching and obsessing over Battery Health. Batteries are consumable parts and with every full cycle charge, it's ability to hold a full charge from when the battery was new, reduces. If your battery health dips to 80% or less in the first 12 months of ownership, it will be replaced under warranty, but this is highly unlikely.
In the meantime, charge your battery while you sleep, every night, all night long and make sure in Settings > Battery > Optimized Charging is turned on.
Here is a link about maximizing battery performance --> https://www.apple.com/batteries/maximizing-performance/