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Mine gets charged when it gets low - below 20% normally - and sits there off charge the rest of the time, and I've never had a swollen battery.
I'd check the dock: is it cutting off charge at the right time, or just trickling too much into the phone?
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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I didn't know any current phones had replaceable batteries.
I had two Motorola Droids which I would charge all night, both developed battery life issues. So my current phone (Motorola One) I charge only when the charge drops to 20% or while I'm driving.
Oh, something I also consider is to put the charger on a timer and let the phone charge for no more than an hour each night.
modified 7-Aug-22 20:31pm.
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PIEBALDconsult wrote: I didn't know any current phones had replaceable batteries.
Few if any current phones have easily swappable batteries like in days of yore; but if you're careful and have the right tools it's not too difficult to melt the glue, pry the case apart, install a new battery, and then use fresh glue to reseal everything.
Did you ever see history portrayed as an old man with a wise brow and pulseless heart, weighing all things in the balance of reason?
Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful?
--Zachris Topelius
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Dan Neely wrote: melt the glue, pry the case apart, install a new battery, and then use fresh glue to reseal everything.
That's exactly how not to sell me a new phone.
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Well you'd better hope fringe companies like Fairphone[^] survive. Just about everyone else has embraced full perimeter gluing for water protection; and even if you manage to avoid breaking your antique eventually LTE will go the way of 2/3g and it'll lose service.
Did you ever see history portrayed as an old man with a wise brow and pulseless heart, weighing all things in the balance of reason?
Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful?
--Zachris Topelius
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Dan Neely wrote: even if you manage to avoid breaking your antique eventually LTE will go the way of 2/3g and it'll lose service.
Service? I don't care.
Believe it or not, the phone doesn't even have a SIM card. I use it for "everything but a phone".
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PIEBALDconsult wrote: I didn't know any current phones had replaceable batteries.
My Lumia 640 is nothing but "current".  That's a large part of the reason I still have it - I'm not at the mercy of Google or Apple (no thanks), and if something happens to the battery, it can trivially be replaced.
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Who knows, I'd say it depends on how "aggressive" the charging circuit is in terms of maximizing energy storage vs lifetime. Li-ion batteries don't really like it when they're charged above 3.92V, but a common limit (for consumer electronics) is 4.2V, which is really significantly more energy. If the charge level of 4.2V is rated at 100% (as would likely be the case), then stopping below 3.92V would cost you about a third of that, leaving it around 65% charged max. Time spent at voltages above 3.92V slowly degrades the cathode (faster for higher voltages).
Leaving the battery plugged in, leaves the voltages above 3.92V for more time, maybe even all the time.
"Overcharging" in the sense of charging above 100% should be impossible thanks to the battery charging circuit, but long-term degradation happens significantly below 100%.
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I am convinced nay is the answer. I've got a Note 8 that still has decent battery life, and goes a full day for me between charges. Got my dad an S9 and he leaves it on the charger all night and complains about battery life.
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Cell phones don't generally have battery management. What you're seeing is the heat damage of the anode in a lithium ion battery that is constantly being charged to the maximum followed by a small discharge. Heat is the single biggest cause of early charge cycle death for LiOn batteries.
This is also why all EV manufacturers recommend charging to only 85 or 90% of the battery capacity for normal, daily driving.
Some phones, such as high end Samsung Galaxy and Note phones, have a software limiter that limits charging to 85%. If you have one of these, set it. Your phone battery will last a lot longer.
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I always charge my phone (Samsung) overnight which is about 8 to 9 hours. Occasionally I forget and the next night its down to about 40%.
So I've not noticed any battery degradation.
// TODO: Insert something here Top ten reasons why I'm lazy
1.
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I have a Samsung Galaxy mid-priced phone, and charge it for 45 minutes to 1 hour, every morning. It is 3+ years old, and so far no battery problems. Hope this continues for one more year, after which I will replace it.
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Last year, I cooked both my galaxy S7 phone, and Tab A batteries by leaving them plugged in all the time. Took my phone to a repair shop, and the technician said never to do that. That was a $95 lesson learned for a replacement battery. I didn't trust myself to replace it myself. But after watching him do my phone, I went home and bought a $14 replacement battery for the tablet from Amazon and easily did the tablet myself using a guitar pick. The battery seller advised to charge at ~20% and unplug at 85% for maximum battery life. So far, both still function as new following that advice
~John
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it also depends upon the charger as well. Quite often people get the cheapest charger they can instead of one that actually works with their phone. Spending a bit on a good charger makes a heck of a difference.
over time I have learned this the hard way. The car chargers almost universally suck! Charge your phone with them fine. But watch it and pull it off when it is near 90%. Never let it sit in the sun and charge. Very bad. too much heat while charging.
I have a $50 charger I bought for charging my tablet and phone over night. I haven't had issues since I bought it. I usually start the night with one on the charger. When i get up in the middle of the night(I am old ok) I switch it. So in the morning I have two fully charged devices.
I believe that this is a case of your mileage won't vary. If you have a good charger you are fine. If not you are going to eventually ruin the battery. just my .02 and experience.
To err is human to really elephant it up you need a computer
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rnbergren wrote: If you have a good charger you are fine. If not you are going to eventually ruin the battery
It's just a cheap $15 dock from Amazon. Pretty certain at this point it's my own fault.
In all honesty, I so rarely use the phone it's now probably going to spend 99% of its time unplugged.
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rnbergren wrote: it also depends upon the charger as well. Quite often people get the cheapest charger they can instead of one that actually works with their phone. Spending a bit on a good charger makes a heck of a difference.
Other than supporting high speed modes or not, the charger should be irrelevant. All they do is provide DC in as requested by the phone's battery controller. That's what decides how quickly to charge the battery, how frequently to top it's charge up, etc.
Did you ever see history portrayed as an old man with a wise brow and pulseless heart, weighing all things in the balance of reason?
Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful?
--Zachris Topelius
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It gets slipped into the docs here and there; the vendors do not recommend leaving it plugged in, though it's never mentioned as a warning.
It used to be something about "battery memory" if you didn't let the level fluctuate (by some amount). So, I unplug when I notice it's full. Tablet, watch, phone, car battery, ...
"Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I
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With few exceptions, I don't charge my phone until it is down to single-digit battery life. Of those that I know that do leave their phones constantly plugged in, consequently their phones are constantly plugged in.
I know the electronics are there that supposedly keep it from overcharging, but I'm a doubter.
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles
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When you buy a new phone or battery, there is a reason they are charged to around 50% charge. This is the optimal charge to ensure the longevity of the battery. I only ever charge my phone to 60%, and that is after it has discharged to around 40%. Doing this, my iPhone 11 which is now 2 years old still shows battery health capacity of 100%. If you want to maximise battery health life, do not charge to 100%. Lipo batteries are not like a car battery in the way they work. Stop Charging your Phone Overnight! - YouTube[^]
modified 6-Sep-22 21:01pm.
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For my GitHub MaxiBug project, a multi-user version of MiniBug, I am trying to create a free Heroku Postgres database.
This along the lines of this C# Corner article[^].
Creating a database works, but I can't seem to create any tables using the "Dataclips" section, not even after using:
set transaction read write;
CREATE TABLE temp( [fields] );
Any ideas anyone?
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Here’s an idea. Don’t post this in The Lounge.
If you can't laugh at yourself - ask me and I will do it for you.
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In the Huffington Post maybe?
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Obviously CodeProject is not the right place for this question, so I will refrain from posting it in Quick Answers.
But my post was also meant as a way to generate some interest in this project which it deserves IMHO.
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