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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[–] cley_faye@lemmy.world 41 points 3 days ago (3 children)

I hadn't watched the video yet, but my phone's going the opposite way. It run slow charge overnight when it feels like it's going to be enough for it to be fully charged the next morning.

We really should let electronics and tight software take care of these little things.

[–] JasonDJ@lemmy.zip 31 points 3 days ago* (last edited 3 days ago) (1 children)

My phone tells me every night that it's slow charging and it will be full by [the time I have my alarm set for].

Pixel 8 Pro.

[–] atomicbocks@sh.itjust.works 16 points 3 days ago (1 children)

iPhones do this as well, I assume both will also do it without the alarm as mine has simply learned what time I take it off the charger normally.

[–] Electricd@lemmybefree.net 3 points 2 days ago

That works if you have a correct sleep schedule… this feature only enabled like 20 times in my life, and half the time it disabled itself because I used my phone during the night

[–] HubertManne@piefed.social 7 points 2 days ago (3 children)

Its kinda funny as I remember when people wanted a phone that could last all day because there was plenty of time to charge on the nightstand. Feels like batteries got way better and people got lazy about plugging them in.

[–] relativestranger@feddit.nl 2 points 2 days ago

people got lazy about plugging them in

always have been, here. the old cdma flip phone went about a month between charges, even when it was 5+ years old. the new volte one sucks. with a higher power draw and the shitty 4g signal here, i have to plug it in every few days. the only 'plus' is that i always know where a charger cable is now, because it's usb-c and i use that for other things, too.

[–] AA5B@lemmy.world 1 points 2 days ago* (last edited 2 days ago)

We just spend more and more time on our phones. I still charge every night. Each new phone I’ve gotten has had more battery life than the last but I also use the phone constantly, so it’s no more likely to last the day.

This is somewhat masked because my car has fast wireless charging. I just put my phone down and when I get somewhere my battery is topped off

[–] Electricd@lemmybefree.net 2 points 2 days ago

We always want better :)

[–] realitista@lemmus.org 1 points 3 days ago (2 children)

If you'd watch the video you may realize it's not needed.

[–] corsicanguppy@lemmy.ca 11 points 3 days ago (2 children)

No need to wait aeons for someone who enjoys the sound of their own voice to slowly and laboriously explain it like astronomy to a dog. Someone wrote 15 words and I read it in about a half-second.

[–] papalonian@lemmy.world 21 points 3 days ago (1 children)

I'm not saying your opinion is wrong or that you have to watch the video or anything like that, but videos like this are made so that you can see the testing procedure and judge it's validity without just having to assume they did their job right. I wouldn't trust someone just saying "yup, tried it out, doesn't really matter 👍🏽"

[–] realitista@lemmus.org 5 points 3 days ago (1 children)

Yeah I mean there is a progress bar, you can just jump to the results if you are in a hurry.

[–] AA5B@lemmy.world 2 points 2 days ago

You can if you just want the results but the value of a video like this is going over the process and the detail, so you know how much to trust it.

[–] smeenz@lemmy.nz 3 points 3 days ago (1 children)

I'm sorry that you're allergic to information.

Given that video is the format with generally the lowest useful information transmission rate, I think you've got that the other way around.

[–] cley_faye@lemmy.world 4 points 3 days ago (2 children)

The point is that I never had to care about battery management for years. I just leave the phone doing its thing. Not that it's useful or not useful to do so.

The whole point is that I leave that in the hand of people that know.

[–] AA5B@lemmy.world 1 points 2 days ago

But the point of this video is whether the things you have control over make a significant difference.

[–] realitista@lemmus.org 3 points 3 days ago* (last edited 3 days ago) (1 children)

Well not charging to 100% all the time will improve your battery life, and if you keep your devices a long time and have a usage pattern that allows charging it less like I do (I leave mine on a wireless charge pad at work), then it makes sense to make some adjustments to that particular setting.

[–] cley_faye@lemmy.world 3 points 3 days ago (1 children)

Nah, I can't be bothered by that. And the only device's battery I really had issues with was a seven years old laptop, years ago. BMS and software will almost always know better than the user these days.

[–] realitista@lemmus.org 4 points 3 days ago (1 children)

Max charge level is not something the BMS can decide for you because it's a trade off between battery health and daily charge level. That's why they ask you to choose.

[–] cley_faye@lemmy.world 1 points 2 days ago (1 children)

Who's doing the asking there? Neither my laptop nor my phones asked anything.

According to the settings on my current phone, the automatic setting will decide by itself to limit the maximum charge overnight, then plan to go full charge around the time my alarm should fire.

But, again, that's the kind of micromanagement that would yield a tiny fraction of "maybe improvement" over the lifetime of the damn thing. I'd rather have a device works all the time for 6 years than have a device that's sometime undercharged for 6.1 years.

[–] realitista@lemmus.org 2 points 2 days ago

Depends on the phone I'm sure but every device I own has this setting.