this post was submitted on 09 Nov 2025
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However the Battery Saver mode on Androids that only charges the battery up to 80% DOES extend battery life. Substantial evidence shows that a high State of Charge accelerates degradation through: solid electrolyte interphase growth, loss of lithium inventory, and loss of active materials. (See: mdpi.com)
Here’s a fun fact: phone manufacturers know this. So what they call “100%” is not actually 100%. Your phone will not charge your battery to full. Battery charging is already designed around this.
Got proof? I've not cracked open a phone for a while to see if the component labelling matches the interface, let alone tested capacity of an extracted battery directly.
Iirc the reason Samsung phones were exploding a few years back is because they fucked up the settings for battery management.