this post was submitted on 09 Nov 2025
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That's a great TL:DW;
Now I want an iPhone that can charge in 20 minutes. :)
Wish granted, the battery is now small enough to slow charge to full in 20 minutes.
Tap for spoiler
The iPhone air is great, isn't it?I've been a "Pro" user for as long as they'd had that distinction vs. lower end and the "it's a small tablet" size.
As humorous as this sounds, this is not at all how battery chemistries works.
Some chemistries just charge faster than others.
for the common types of Lion or Lipo batteries, they max out pushing 2C which is around 30 minutes.
For something like LTO, where you lose capacity/density, you can get that up to like 4C (very rough numbers here as this all depends on the temperature of the battery while charging, age and other factors).
So like... this could have been accurate if this was referring to switching to LTO, but afaik, no one makes LTO batteries in this form-factor (not that it can't be done though).
So put in a big-ass battery and artificially block it at 20% for "full"? 😁
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
modern phones last long enough , that you likely wont see significant degradation unless you somehow using it for 10+years. most people would have switched phones multiples by then.