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From: =?UTF-8?Q?J=C3=B6rg_Lorenz?= <hugybear@gmx.net>
Newsgroups: comp.mobile.android
Subject: Re: 80% battery charge
Date: Sun, 11 Aug 2024 21:06:26 +0200
Organization: Camembert Normand au Lait Cru
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On 11.08.24 18:59, micky wrote:
> Everyone says that the phone's battery should not be charged more than
> 80%, to maximize battery life.
> 
> But they also say that most people will get a new phone before their
> battery wears out.
> 
> I don't like charging only to 80%.  Then when I've used it a while, it's
> only 60% or 40%.  I don't like discharging below 30 or 40%.  Isn't that
> bad for it too?
> 
> Even if not, the closer I get to 10% the more I worry I won't have
> enough battery for the whole day.  Starting at 100 instead of 80 greatly
> lowers the risk of discharging below 20.
> 
> So isn't that reason enough that I can just charge to 100 every night
> and not worry about my battery wearing out?
> 
> Also, it's a pain to have to pay attention to how much it has charged.
> If I forget to disconnect it, it goes to 100.  So shouldn't I just stop
> thinking about it?

I use a 25 Watt-Charger for my iPhone and it takes less than 45 minutes 
to charge from 30% to 80% SOC. Then a loud voice I programmed informs me 
of the fact and asks me to disconnect from the charger. Same at 90% with 
a clear instruction to unplug.

Newer phones give the possibility to automate the charging process. They 
learn when you go to bed and you get up usually and they charge to 80% 
at the beginning and charge to 100% short before you get up.

iPhones are able to manage the charging process for many years and my 
Pixel 7 has a similar capability.

BTW: From time to time mobile device batteries should be charged to 100% 
to recalibrate the electronics. Do not discharge the battery to a point 
where the device shuts itself down. Especially do not store a phone with 
a LiIon-battery completely discharged for a longer period of time.

Jörg

-- 
"Ave! Morituri te salutant!"