this post was submitted on 09 Nov 2025
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TL;DW: Fast charging over 2 years only degraded the battery an extra 0.5%, even on extremely fast charging Android phones using 120W.

And with that, hopefully we can put this argument to rest.

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[–] plz1@lemmy.world 9 points 1 week ago (5 children)

That's a great TL:DW;

Now I want an iPhone that can charge in 20 minutes. :)

[–] Valmond@lemmy.world 4 points 1 week ago (2 children)

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.

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[–] goatinspace@feddit.org 8 points 1 week ago
[–] warm@kbin.earth 6 points 1 week ago

Is this because it's using two-cells though, or is it comparing charging one cell vs multiple.

[–] OhVenus_Baby@lemmy.ml 5 points 1 week ago (1 children)

I think this accurate or close to it for phones but my laptop battery a Dell has degraded very quickly through 50 plus or more cycles of battery like 15 percent. It went from 59wh down to 50wh and it ebbs and flows. Runs Linux mint and installed power top and some other low power mods to help dumb things down to conserve. I feel like arm processors vs x86 are wildly different.

[–] cmnybo@discuss.tchncs.de 5 points 1 week ago

What kills the batteries is keeping them at 100% charge all the time, especially when the laptop is hot. Some laptops do have the ability to limit the maximum charge. Setting the maximum charge to 60-80% when the laptop is going to be plugged in for a while will extend the battery life. It is necessary to occasionally do a full charge to keep the capacity sensor calibrated though.

[–] LoafedBurrito@lemmy.world 4 points 1 week ago

Just what I wanted to know. Thanks!!

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