This is the type of scientific method that can put all this nonsense to rest. I really appreciate their work proving that the difference between fast/slow/30-80% is insignificant to the majority of people.
Thanks!
this post was submitted on 09 Nov 2025
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Battery lore has been cargo-cult woo since the NiMH days... most of it feels like manufacturers saying "oh, I'm sorry you didn't get our advertised life, you must have done something wrong."
This isn't a fair like-to-like test though. They used iPhones, which use one battery and then for their 120W test they used iQOO 7, which has two batteries that charge in parallel. They aren't testing the charge rate effects on a single battery, but just how different phones behave.
While it's an okay test to see how certain models of phones hold up, it's not a test for longevity of a single battery using fast and and not-as-fast charging.
So the title, as it often is these days on YouTube, is misleading.
No they did a fast and slow charging group for iPhone, and also did a fast and slow charging group for Androids. Did you not pay attention.
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And with that, hopefully we can put this argument to rest.
wow... the idea that the anecdotal evidence of some youtuber should be the proof, not the engineering and chemistry knowledge of people who designed the battery and charging system and know how it works, is on par with the belief that global warming is caused by farts of the turtles carrying the earth. sad noises.
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That's a great TL:DW;
Now I want an iPhone that can charge in 20 minutes. :)
He he Xiaomi 120 watt charge. 19 minutes from zero to full. Well I only have tried from like 12% to 80+ because that was more than enough and I wont let it go to zero-zero. I don't use it regularly, not because I fear for my battery but it does get the phone warm and warm/cool cycles are bad for electronics.
The day the battery degrades I'll just have it swapped for a new one, I think we're far enough into the battery revolution to no longer really care about all this any more.
That's pretty awesome
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