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NYCAuburn
Auburn Fan
TD Platinum Membership/SECr Sheriff
Member since Feb 2011
52791 posts

re: Let your phone go dead or constantly charge it to full.
quote:

I have an iPhone 8plus and it says its battery health/maximum capacity is 84%


I have a 7, since about 6 months after they came out.

I charge mine every night, it gets drained to 0% quite often, Im at 89%

quote:

In other words, at least for iPhones... no one should GAF about their battery health unless you just happen to have a lemon.
this is my thinking.

Now on the other side my sister and mom have galaxies, Their batteries have needed to be replaced, because they got so bad. Not sure if any reason/correlation


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Ace Midnight
LSU Fan
Between sanity and madness
Member since Dec 2006
72069 posts

re: Let your phone go dead or constantly charge it to full.
quote:

Is there any benefit to doing that or charge as you go is preferred?


The chips will generally prevent you from overcharging. "Battery conditioning" is also alleviated by the chips and charging monitoring.

I don't know if there is legitimate wisdom in actually draining the battery and certainly not what I would do regularly (in the old days, drain and full charge would give you better battery gauge readings, but a full discharge generally shortens the life of certain types of batteries - again the chips try to stop it from going 100% dead).

The relatively recent rule of thumb a few years back was to keep the battery between 35 and 85 if possible - so, don't charge if already above 85% and don't wait until below 35 to charge.

That makes as much sense as anything.


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20
shel311
Nicholls St. Fan
McKinney, Texas
Member since Aug 2004
75174 posts

re: Let your phone go dead or constantly charge it to full.
quote:

Takes about 3 days for my google pixel 3xl to get down to 20% and then I recharge
Must be nice.

I really don't use 3XL much, sparingly during the work day. And without fail when it's time to leave work it's at about 60 %


TSLG
New Orleans Saints Fan
Member since Mar 2014
3559 posts

re: Let your phone go dead or constantly charge it to full.
I'm still rocking an s5 for my #2 personal phone.

Hell, I lost 25% just reading this thread. I'm jealous of all of you.



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30
notsince98
Missouri Fan
KC, MO
Member since Oct 2012
11505 posts

re: Let your phone go dead or constantly charge it to full.
quote:

There wasn't one in your post, either.


I am an electrical engineer that has worked with lithium ion battery storage including utility scale projects with Tesla.
This post was edited on 2/14 at 7:02 pm


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22
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USA
Member since 2001
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prplhze2000
LSU Fan
Parts Unknown
Member since Jan 2007
43447 posts

re: Let your phone go dead or constantly charge it to full.
The newer class c chargers prevent the overcharging from harming the phone from what I understand


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Lonnie Utah
Citadel Fan
Utah!
Member since Jul 2012
8593 posts

re: Let your phone go dead or constantly charge it to full.
quote:

Holding a battery on a charger is putting an even greater voltage across the batteries and exacerbating the problem.


This assumes the charger does not have an overcharge protection circuit. Once most lipo battery chargers get to a voltage of between 4.1 and 4.2 volts, the circuit disables charging.

The real reason the battery on most peoples phones discharge quickly is all of the apps that they continue to run in background as the phone ages. Facebook, the copy of candy crush we downloaded 2 years ago, and all of the other crap we have on our phones use up small amounts of battery life as they add to the current draw required by our phones processors.
This post was edited on 2/18 at 8:43 am


notsince98
Missouri Fan
KC, MO
Member since Oct 2012
11505 posts

re: Let your phone go dead or constantly charge it to full.
quote:

This assumes the charger does not have an overcharge protection circuit. Once most lipo battery chargers get to a voltage of between 4.1 and 4.2 volts, the circuit disables charging.



No. Charging still degrades life. Every time you hit a lithium battery with a charging voltage, no matter how short, it reduces battery life. The switching on and off from overcharge circuits still degrades it.
This post was edited on 2/18 at 9:03 am


Lonnie Utah
Citadel Fan
Utah!
Member since Jul 2012
8593 posts

re: Let your phone go dead or constantly charge it to full.
quote:

Every time you hit a lithium battery with a charging voltage, no matter how short, it reduces battery life.


So your answer is charging it up to less than maximum which results in you have to put it on a charger more times? Makes sense.


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21
CarRamrod
USA Fan
Spurbury, VT
Member since Dec 2006
50437 posts
 Online 

re: Let your phone go dead or constantly charge it to full.
quote:

if you want your battery to last, don't let it discharge below 25-30% and don't charge it above 60-70%. The further you go outside those windows, the faster the life of the battery decreases.


i mean really where do you guys get your information....because this is just retarded.


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