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Healthiest way to charge Lithium Ion (lemmy.world)

submitted 3 weeks ago by root@lemmy.world to c/technology@lemmy.world

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When charging a phone wirelessly, there is sometimes significant heat generated. That combined with higher charging rates that are now coming out with the Qi 2 standard make me wonder what the ideal charge for the battery would be.

Most of the time I just toss my phone onto a wireless charger before bed, and don’t really care how quickly it charges. Would it be better to use a 5W brick with a charging pad? Should wireless be avoided and usb used instead?

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[–] NeoNachtwaechter@lemmy.world 36 points 3 weeks ago (7 children)

The very healthiest way? But maybe you won't like it :)

Don't charge above 80%, don't discharge below 20%, charging current at 1/10 of the capacity, and always keep the thing at average room temperature.

[–] Vinny_93@lemmy.world 3 points 3 weeks ago (2 children)

My A52s has a built-in function to not let it charge above 80. I keep it on unless I need the extra 20% for instance when I'm away for a while.

[–] JustEnoughDucks@feddit.nl 1 points 3 weeks ago (1 children)

Really? My girlfriend's A52 doesn't have this feature. That is part of why I bought my Xperia 5ii. Is it a new feature?

(After 3 years the battery is at 70% on mine because apparently Sony uses shitty as hell batteries and software drain glitches, while my girlfriend's A52 always charging to 100% lasts a day and a half with 3x the use, would not recommend)

[–] Vinny_93@lemmy.world 1 points 3 weeks ago

Maybe it's only in the A52s, not the A52.

[–] IllNess@infosec.pub 1 points 3 weeks ago

Samsung Galaxy S24 has this too.

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