this post was submitted on 09 Nov 2025
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Is Fast Charging Killing the Battery? A 2-Year Test on 40 Phones (www.youtube.com)
submitted 1 week ago* (last edited 1 week ago) by popcar2@programming.dev to c/technology@lemmy.world
174 comments fedilink hide all child comments
 

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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[–] Ibuthyr@lemmy.wtf 23 points 1 week ago (14 children)

I always thought that charging beyond 85% or so is what degrades batteries. The LiPos of my quadcopter actually actively reduce their charge if left sitting somewhere for a longer period of time. To prevent them from going up in flames.

[–] Bazoogle@lemmy.world 14 points 1 week ago (2 children)

The idea with fast charging is it's going to generate more heat. That extra heat is what damages the batteries life

[–] InnerScientist@lemmy.world 3 points 1 week ago (1 children)

https://youtu.be/Lj4LMlGr4og

Video from the same guy.

[–] Electricd@lemmybefree.net 2 points 1 week ago

Thanks, I’ll watch this

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