this post was submitted on 16 Feb 2024
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My samsung n20 ultra has the 85% charge option built in and I've always used it to keep my battery good. Back when it was easier to use custom roms in the 2010-2014 Era there was a lost of them that had custom "stop charging options" like it.
I also have fast/ultra fast charging disabled. If you don't need to quickly charge your phone, it's something else you should avoid.
For steam deck owners it gets a bit more complicated. SD has pass through charging, so once the battery is fully charged and also while it is plugged in, you aren't powering it through the battery like cell phones and most laptops do. It's just running off the USB c power, so if you usually play while plugged in, you aren't cycling the battery, but you are having to allow it to fully charge.
That's how nearly all modern devices work. Li-Ion can't be charged and discharged simultaneously. There is circuitry to split the power between the battery and the device when it's being charged.
Cheaper devices will just stop charging when you use them or they won't work at all when plugged in.
This is flat out not true for most phones. Most phones will charge to 100% and continously charge/discharge if still plugged in. Over the last couple years there's been some phones that will allow pass through/bypass charging. Iphones don't do it at all. Only some android phones.