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I kind of agree with your approach provided that it really works; needs more input on this. Why would we slow charge as proposed in many of the comments, if the current tech embrace fast charging - kind of defeat the purpose. I never leave my phone changed 100% for long, and my anecdotal evidence can prove that works as my phone battery is reaching 6 years. Anyway, there a post somewhere in lemmy suggesting not to change beyond 85%.
Fast charging dumps more heat into the battery as efficiency losses are always heat. Heat is what degrades the battery, far more than charge cycling.
Tq. that's a very logical explanation. So I assume (current) fast charging battery management are not capable to mitigate the efficiency issues.
Fast charging is 100% convenience for the end user and marketing material for the company. Fast charging is just dumping more electrons into a battery quicker than slow charging. I don't think battery tech has adapted that much to be able to handle this so AFAIK we're just normalising abusing our batteries. Did read an article that batteries that we're slow charged, also discharged slower as well.
Ideally, you would start charging at or below 15% until it's 80%; however, most modern devices are already doing this behind the scene and when it says 100% on the screen, it's actually only 80% and they shut off entirely when the charge is actually below 15% to conserve that last little bit.
This doesn't really do anything to help damage caused by overheating, though. QC and PD both come at the cost of increased heat while charging. But as long as you're not overcharging it all the time or giving it way higher juice than it needs, the safety features on the device are pretty good except in the rare instance of factory defects.
Could you provide sources for this? There seems to me to be no reason to do this in a consumer device that is designed to be replaced every two cycles.
Damn, I need to find out if my not so modern phones display the real or pseudo value.