[Q] Does it harm the battery if i do this? - Xperia Arc Q&A, Help & Troubleshooting

I always had this question in my head and i think its time to ask. All android phones i had does this and i wanna know if this does harm in somehow the battery.
When i plug the phone to the PC to transfer some files it recharges the battery too, sometimes depending how big are they, the phone stays connected for longer. I want to know if it harms the battery doing this small, medium charges while transfering files.

Doesn't harm the new batteries.
Sent from my iPad 2 using Tapatalk

Ok, thanks.

... what Flo95 said.
More specifically, lithium-ion batteries don't develop the 'charge memory' older battery technologies like NiCad do if not allowed to fully run down before a charge.

Loosely said:
... what Flo95 said.
More specifically, lithium-ion batteries don't develop the 'charge memory' older battery technologies like NiCad do if not allowed to fully run down before a charge.
Click to expand...
Click to collapse
Can you please explain a little, I didn't really understand what you said here bro
Sorry about that.

DeepUnknown said:
Can you please explain a little, I didn't really understand what you said here bro
Sorry about that.
Click to expand...
Click to collapse
Older batteries suffered from "memory effect", meaning that if you charged them before they were empty and until they were any less than full, soon enough their capacity would deteriorate.
New batteries don't have that problem. You can charge them any time you want for as long as you want. In fact, it's advisable to not let them discharge completely and charge them often.
iR¡[email protected]!* via Tapatalk

iridaki said:
Older batteries suffered from "memory effect", meaning that if you charged them before they were empty and until they were any less than full, soon enough their capacity would deteriorate.
New batteries don't have that problem. You can charge them any time you want for as long as you want. In fact, it's advisable to not let them discharge completely and charge them often.
iR¡[email protected]!* via Tapatalk
Click to expand...
Click to collapse
Thanks for explaining it for me
It seems a bit ironic, previously we had to be aware from charging at any time and it was stronly recommended to charge only when battery is completely dead.
While these days it's better if we not let the battery completely discharged

Related

disable usb charge

hello is this possible to disable usb charge when connect to pc?
thanks
akoylini said:
hello is this possible to disable usb charge when connect to pc?
thanks
Click to expand...
Click to collapse
Cut the +5V line?
Out of curiosity, why would you want to do this?
I want does not charge the battery when p3600 is connected with pc
akoylini said:
I want does not charge the battery when p3600 is connected with pc
Click to expand...
Click to collapse
Yes - that was kind of obvious. I think the question was WHY you do not want to "charge the battery when p3600 is connected with pc".
If you have a reason that others have not thought of, others might decide to do the same. Seeing as the USB is the only way to charge the phone - I'm guessing the only way to do this is modify the cable you use to connect to your PC. But then you'd NEVER be able to charge using this keyboard.
Lithium ion batteries do NOT! have memory so you
should use the batt up before charging them once more
it's a myth
it was Ni-MH batteries which was supped to suffered from that
heard that one can even damage Lithium ion batts by using that old myth as a way to "exercise" them
guess old myths die hard
same thing with the "you have to wait ½hour after you eat to go swimming or you get cramps and drown" thats a myth too
same thing with looking too much at the tv damage your eyesight or reading in with too little light on
Rudegar said:
Lithium ion batteries do NOT! have memory so you
should use the batt up before charging them once more
it's a myth
it was Ni-MH batteries which was supped to suffered from that
heard that one can even damage Lithium ion batts by using that old myth as a way to "exercise" them
guess old myths die hard
same thing with the "you have to wait ½hour after you eat to go swimming or you get cramps and drown" thats a myth too
same thing with looking too much at the tv damage your eyesight or reading in with too little light on
Click to expand...
Click to collapse
Yes like the myth that too much w***ing makes you blind. I know lots of complete and utter w***ers who can see perfectly
GO on system tabs ont your trinity, then battery then advanced tab
and check the box
poussin69 said:
GO on system tabs ont your trinity, then battery then advanced tab
and check the box
Click to expand...
Click to collapse
what ROM u runnin?
Rudegar said:
Lithium ion batteries do NOT! have memory so you
should use the batt up before charging them once more
it's a myth
it was Ni-MH batteries which was supped to suffered from that
heard that one can even damage Lithium ion batts by using that old myth as a way to "exercise" them
guess old myths die hard
same thing with the "you have to wait ½hour after you eat to go swimming or you get cramps and drown" thats a myth too
same thing with looking too much at the tv damage your eyesight or reading in with too little light on
Click to expand...
Click to collapse
^ is right, I heard you should charge Li-Ion batteries as often as possible.
Hi,on Prophet to disable usb charge,you can modify this key : HKLM\drivers\builtin\usbfndrv and put 0 to disable.On trinity,this key doesn't exist on wm6,verify if ,your os is wm5,thatv the key exists.
Rudegar said:
same thing with the "you have to wait ½hour after you eat to go swimming or you get cramps and drown" thats a myth too
same thing with looking too much at the tv damage your eyesight or reading in with too little light on
Click to expand...
Click to collapse
its good to wait half hour b4 any phisical exercise because the blood is naturally redirected to your stomach after esting to help digesting, exercising screws that up...
Watching TV is harmful in many ways, eyesight, radiation, hormones, day/night cycle, Can even trigger epilepsy...Especially using old TV sets.
Reading in poor light conditions can damage your eyesight if you do it often enough, it is possible to overwork any organ... Plus you get related problems like bad posture and back problems from subconscious compensating...
I guess there is a piece of true in evwery myth...
Oh, w*nking is good BTW
Plastriq said:
Cut the +5V line?
Out of curiosity, why would you want to do this?
Click to expand...
Click to collapse
may be it should be useful to preserve a notebook battery life
sorry for my english. i hope you understand me ok
I agree with Lithium ion batteries do NOT have memory...
... but i'd like to avoid charging battery when i connect Trinity to Pc because ALL batteries have a limited number of charge cycles.
continously charging make battery cells at the top lost a lot of charge cycles while the bottom cells no.
When battery cells finish the number of life-cycles, they are no more usefull decreasing the total capacity of battery.

[Q] Is USB tethering when it's fully charged bad?

Is it bad to USB tether when the battery is already at 100%?
Why would it be?
Via EVO on XDA app...
mylasthope said:
Is it bad to USB tether when the battery is already at 100%?
Click to expand...
Click to collapse
if you mean is it bad to leave the phone charging via usb when it's already fully charged.....no.....it's not "bad" as in it won't hurt the phone.
consequently, you could condition the battery to not hold as much of a charge if you never fully deplete the battery's charge or always keep it plugged in. It's always good to run your battery out as much as you can, and then fully charge it as much as you can.
hope that answers your question
awenthol said:
Why would it be?
Via EVO on XDA app...
Click to expand...
Click to collapse
lol....poeple on this forum are ruthless...funny though.
Wasn't being "ruthless"...just genuinely curious what he's thinking.
And you're not supposed to run these batteries dead to "condition" them. They don't have a charge memory.
Via EVO on XDA app...
awenthol said:
And you're not supposed to run these batteries dead to "condition" them. They don't have a charge memory.
Click to expand...
Click to collapse
Back in the olden days not so long ago, the rechargeable batteries were made from
liuthium ion, and had what were often refereed to as "memory". So running them "flat",
then charging them, produced a longer lasting battery. Today however, they are
frequently made from nickel metal hydride, which does not have those "memory"
properties, that the lithium ion batteries possessed. It is worth noting tho that many
of the ROMs available - including HTC sense, have "training" algo's that attempt to manage
the phones running resources in such a way, as to make the batteries seem to last longer.
But really, they just try to minimize the draw on the battery.
--Chris
CTH-EVO said:
Back in the olden days not so long ago, the rechargeable batteries were made from
liuthium ion, and had what were often refereed to as "memory". So running them "flat",
then charging them, produced a longer lasting battery. Today however, they are
frequently made from nickel metal hydride, which does not have those "memory"
properties, that the lithium ion batteries possessed. It is worth noting tho that many
of the ROMs available - including HTC sense, have "training" algo's that attempt to manage
the phones running resources in such a way, as to make the batteries seem to last longer.
But really, they just try to minimize the draw on the battery.
--Chris
Click to expand...
Click to collapse
Nononono.. You should really brush up on your battery history, lithium ion and lithium polymer niether have memory, ni cad, or nickel metal hydride do have memory. Our phones, all cell phone run either lipo or lithium ion, I think they are lipo, I know this because I run rc cars that have a 250 dollar esc that you don't want to burn up, so I know a bit about these batteries.. But you are right on the roms they are becoming a bit better on batteries, but if your over clocking don't count on to much, but you are also right you won't hurt these to leave them on the charger or to run till dead.
Sent from my netarchy_toast, froyo beast of a machine evo!
CTH-EVO said:
Back in the olden days not so long ago, the rechargeable batteries were made from
liuthium ion, and had what were often refereed to as "memory". So running them "flat",
then charging them, produced a longer lasting battery. Today however, they are
frequently made from nickel metal hydride, which does not have those "memory"
properties, that the lithium ion batteries possessed. It is worth noting tho that many
of the ROMs available - including HTC sense, have "training" algo's that attempt to manage
the phones running resources in such a way, as to make the batteries seem to last longer.
But really, they just try to minimize the draw on the battery.
--Chris
Click to expand...
Click to collapse
Replace "lithium ion" with "nickel-cadmium".
darkkterror said:
Replace "lithium ion" with "nickel-cadmium".
Click to expand...
Click to collapse
LOL Right you are! Like I said "back in the olden days". That, and sleep deprivation (too many jobs, too little time). I'll refrain from getting too technical next time I've been up this long.
--Chriis
Lol I read soothing you said in another thread, you seemed really knowledge able, I was wondering why you said that wrong
Sent from my netarchy_toast, froyo beast of a machine evo!

[Q] Battery - should I charge straight away, or let it run down first?

I'm not up-to-date on battery etiquette, so thought I would check with you chaps. I should be picking my One X up from Carphone Warehouse tomorrow or Wed, but wanted to know whether it was considered better to charge immediately, or to use the battery until the phone dies, then charge fully, or some other third option. Want to make sure I get the best out of the battery, obviously.
Thanks!
wilkomints said:
I'm not up-to-date on battery etiquette, so thought I would check with you chaps. I should be picking my One X up from Carphone Warehouse tomorrow or Wed, but wanted to know whether it was considered better to charge immediately, or to use the battery until the phone dies, then charge fully, or some other third option. Want to make sure I get the best out of the battery, obviously.
Thanks!
Click to expand...
Click to collapse
What you really want to do is condition your battery. You don't need to do it immediately but in the first week or so of having the phone. By conditioning, I mean... Charging it until it's full, then using it until its fully discharged, then charging it again. Repeat this cycle ("fully discharged when charging") for 3 to 4 times... after that, you'll notice that your battery lasts longer than usual. It's what I've done with all my phones, seemed to work pretty good.
JohnnyRodger said:
What you really want to do is condition your battery. You don't need to do it immediately but in the first week or so of having the phone. By conditioning, I mean... Charging it until it's full, then using it until its fully discharged, then charging it again. Repeat this cycle ("fully discharged when charging") for 3 to 4 times... after that, you'll notice that your battery lasts longer than usual. It's what I've done with all my phones, seemed to work pretty good.
Click to expand...
Click to collapse
But were you using Lithium-Ion batteries? From what I have heard, completely depleting the power of the battery actually damages its health.
OysterCatcheRR said:
But were you using Lithium-Ion batteries? From what I have heard, completely depleting the power of the battery actually damages its health.
Click to expand...
Click to collapse
I think you are right.
Sent from my GT-I9000 using xda premium
A lot of the time android will shut down just before your battery is 100% empty, you will find if you try to turn your phone on after its shut down it will still boot and run for 15 - 30 mins, depending on battery age and condition ofcorse. And if you keep on turning on the phone when its battery is very low/empty you will then start to damage it.
Sent from my HTC Desire using Tapatalk
Some one posted this website before:
http://batteryuniversity.com/
It also has a nice table about how to look after your battery:
http://batteryuniversity.com/learn/article/how_to_charge_when_to_charge_table
How to Prime Batteries
...Rechargeable batteries may not deliver their full rated capacity when new and will require formatting. While this applies to most battery systems, manufacturers of lithium-ion batteries disagree. They say that Li-ion is ready at birth and does not need priming. Although this may be true, users have reported some capacity gains by cycling these batteries after long storage....
Click to expand...
Click to collapse
Source: http://batteryuniversity.com/learn/article/how_to_prime_batteries
Charging the battery
Before you turn on and start using HTC One X, it is recommended that you charge the battery.
Only the power adapter and USB Cable provided in the box must be used to charge the battery.
Click to expand...
Click to collapse
Click to expand...
Click to collapse
Source: HTC One X Manual as pasted here http://forum.xda-developers.com/showthread.php?t=1572581
However there seems to be a common agreement that over the first week / two weeks of usage the battery will improve...
Last quote from MaDaCo review comments from Paul when asked how does he condition his battery:
I don't really condition it tbh, I just find it takes a few charges to get 'up to speed'.
Click to expand...
Click to collapse
Conditioning the battery was needed with old style batteries.. new Li-xxx batteries don't need one.. and what does an extra 30mins actually mean to you ...
now you can buy original replacement batteries for 20-30$, so if it loses it's capacity after some time you can easily buy new one...
LorD ClockaN said:
Conditioning the battery was needed with old style batteries.. new Li-xxx batteries don't need one.. and what does an extra 30mins actually mean to you ...
now you can buy original replacement batteries for 20-30$, so if it loses it's capacity after some time you can easily buy new one...
Click to expand...
Click to collapse
and how do we fit it ???????????????
Sent from my Transformer TF101 using XDA Premium HD app
wilkomints said:
I'm not up-to-date on battery etiquette, so thought I would check with you chaps. I should be picking my One X up from Carphone Warehouse tomorrow or Wed, but wanted to know whether it was considered better to charge immediately, or to use the battery until the phone dies, then charge fully, or some other third option. Want to make sure I get the best out of the battery, obviously.
Thanks!
Click to expand...
Click to collapse
I'd use the battery as soon as you get it until completely drained.
Then perform a full battery charge without use, its best to do this to ensure a full 0%-100% charge.

do you really have to "FULLY CHARGE" electronic devices (tablets, phone, etc.)

do you really have to "FULLY CHARGE" electronic devices (tablets, phone, etc.)
do you really have to "FULLY CHARGE" electronic devices (tablets, phone, etc.) out of the box before first using? Just got a new nexus 7 and i want to know if i can use it before i charge it:fingers-crossed:
Have to? Not really. Recommended? Yes (you can use it while it's charging too).
~I retract my statement~
The simple answer is: no, you don't need to fully charge it out of the box.
TheAltruistic said:
Have to? Not really. Recommended? Yes (you can use it while it's charging too).
In general, it's a good idea to allow any device with a Lithium battery to fully charge (~95%) and discharge (~5%) at least once a month. Helps maintain a healthy battery. Think of it as exercise for the battery; the concept of use it or lose it with the capacity to hold charge for the battery.
Click to expand...
Click to collapse
Thats just wrong. All that does is decrease the life of your battery since Lithium batteries only have a limited amount of charge cycles. (Usually under 1000). What you SHOULD do, is keep it OUT of that range. Try not to let it drop below 10% if you can. If you really want to learn about batteries and how they work, this is a great article.
http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries
See these links if you have questions:
http://supportforums.blackberry.com.../Lithium-battery-myths-dispelled/td-p/1043579
http://forum.xda-developers.com/showthread.php?t=518861
http://kipre.wordpress.com/2009/03/20/4-myth-and-facts-about-lithium-ion-polymer-batteries/
and numerous others.
TO OP: No.
aooga said:
Thats just wrong. All that does is decrease the life of your battery since Lithium batteries only have a limited amount of charge cycles. (Usually under 1000). What you SHOULD do, is keep it OUT of that range. Try not to let it drop below 10% if you can. If you really want to learn about batteries and how they work, this is a great article.
http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries
See these links if you have questions:
http://supportforums.blackberry.com.../Lithium-battery-myths-dispelled/td-p/1043579
http://forum.xda-developers.com/showthread.php?t=518861
http://kipre.wordpress.com/2009/03/20/4-myth-and-facts-about-lithium-ion-polymer-batteries/
and numerous others.
TO OP: No.
Click to expand...
Click to collapse
Ah, my bad. I'll edit the initial post. I forgot how much exactly it was I figured about ~10% and ~90% is good if that sounds okay; I forgot the source but I did read it somewhere here on XDA.
TheAltruistic said:
Ah, my bad. I'll edit the initial post. I forgot how much exactly it was I figured about ~10% and ~90% is good if that sounds okay; I forgot the source but I did read it somewhere here on XDA.
Click to expand...
Click to collapse
Well, the part I was referring to is still wrong. You don't have to do anything once a month. Or ever really. The only benefit is a properly software calibrated battery.
Sent from my HTC One using Tapatalk 4

Is it ok to leave device connected to computer at 100% battery?

Hi is it OK to leave our device connected to the computer at 100% battery level? I develop android apps and there are times I need to debug and have my device connected for hours for debugging. At 100% level, I noticed the device is not heating up and I assume this wouldn't damage the li-ion battery or would it?
Does this device have an ic chip to handle overcharging ?
Sent from my Nexus 7 using xda app-developers app
geocine said:
Hi is it OK to leave our device connected to the computer at 100% battery level? I develop android apps and there are times I need to debug and have my device connected for hours for debugging. At 100% level, I noticed the device is not heating up and I assume this wouldn't damage the li-ion battery or would it?
Does this device have an ic chip to handle overcharging ?
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
It's not good for the battery. Lithium batteries don't like to be fully charged all the time.
I don't know about chips, but it must have overcharge protection, otherwise the battery would go up in flames.
geocine said:
Hi is it OK to leave our device connected to the computer at 100% battery level? I develop android apps and there are times I need to debug and have my device connected for hours for debugging. At 100% level, I noticed the device is not heating up and I assume this wouldn't damage the li-ion battery or would it?
Does this device have an ic chip to handle overcharging ?
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Lithium batteries does have overcharge protection.
Sent from my Nexus 7 (2013) using Tapatalk 4
I've had no issues doing it with a few devices and my battery has never had issues, I always plug my devices in and let them charge overnight whether they need it or not
Sent from my HTC One using Tapatalk 4
From what I have read, there isn't a need for concern. The device automatically cuts off charging at 99-100% and there is overcharge protection. Unless I am missing something.
Great now i can sleep at night without worrying my phone getting overcharged
LoVeRice said:
Great now i can sleep at night with worrying my phone getting overcharged
Click to expand...
Click to collapse
I've noticed that (at least when it's close to being full) that the kernel watches it like a hawk. It seems to be checking on things every 20 seconds according to the dmesg output. It's reporting the voltage, temp and calculated charge level each time around.
Muikkuman said:
Lithium batteries does have overcharge protection.
Sent from my Nexus 7 (2013) using Tapatalk 4
Click to expand...
Click to collapse
I am really curious if it does really have because I have an li-ion battery on my Samsung galaxy ace and I have been doing the same thing. But now the battery performance is a lot lower compared to when I first had it. What seems to be the reason? Is it true for all lo-ion batteries?
geocine said:
I am really curious if it does really have because I have an li-ion battery on my Samsung galaxy ace and I have been doing the same thing. But now the battery performance is a lot lower compared to when I first had it. What seems to be the reason? Is it true for all lo-ion batteries?
Click to expand...
Click to collapse
Has been said before, but here we go again: Things that are BAD for your LiIon/LiPoly battery:
-storing your battery at full charge (which is essentially what you are doing)
-running down the battery to "0%", i.e. < 3.40 V repeatedly
-heat
-very fast discharges (not possible with a smartphone)
-very fast charges (again not possible)
So, if you want to get the best life out of your battery, it is definitely NOT advisable to leave it connected to the charger at all times. It will (or should) not get overcharged, but simply being at full charge for a prolonged time damages the cell more than being used in a normal fashion.
And yes, all LiIon batteries in phones have overcharge protection, because LiIon batteries burst into flames at just about 4.55 V (which is obviously very close to the full charge voltage) and companies want to avoid that in general.
I'm just going to leave this here.
The HTC one has a hardware circuit, as well as software on a PMIC (Power Management Integrated Circuit -- a tiny chip that acts as a micro processor) that shunts current away from the mainboard and battery once the battery has been fully charged. You could leave it charging for weeks at a time and have little to no effect on the battery or the device.
Most consumer electronic devices have the same protection, and have for years.
Click to expand...
Click to collapse
Taken from: http://forums.androidcentral.com/htc-one/288313-safe-charge-battery-overnight.html#post2859433
Valynor said:
Has been said before, but here we go again: Things that are BAD for your LiIon/LiPoly battery:
-storing your battery at full charge (which is essentially what you are doing)
-running down the battery to "0%", i.e. < 3.40 V repeatedly
-heat
-very fast discharges (not possible with a smartphone)
-very fast charges (again not possible)
So, if you want to get the best life out of your battery, it is definitely NOT advisable to leave it connected to the charger at all times. It will (or should) not get overcharged, but simply being at full charge for a prolonged time damages the cell more than being used in a normal fashion.
And yes, all LiIon batteries in phones have overcharge protection, because LiIon batteries burst into flames at just about 4.55 V (which is obviously very close to the full charge voltage) and companies want to avoid that in general.
Click to expand...
Click to collapse
That is a very clear explanation. Is it possible to disable charging when connected to computer (programatically)?
It is really a pain to disconnect it every time I hook it up on a computer for debugging and it wouldn't even guarantee to discharge when I hook it up and disconnect when not debugging since I do it frequently. When debugging, everytime I change and compile code I need to hook it up to the computer. I am debugging games and sometimes smali files so an emulator is not really an option.
geocine said:
That is a very clear explanation. Is it possible to disable charging when connected to computer (programatically)?
It is really a pain to disconnect it every time I hook it up on a computer for debugging and it wouldn't even guarantee to discharge when I hook it up and disconnect when not debugging since I do it frequently. When debugging, everytime I change and compile code I need to hook it up to the computer. I am debugging games and sometimes smali files so an emulator is not really an option.
Click to expand...
Click to collapse
I guess it would be possible by modifying the Android kernel.
The best practical advice is probably: Buy only smartphones with exchangeable batteries. :cyclops:
Valynor said:
Has been said before, but here we go again: Things that are BAD for your LiIon/LiPoly battery:
-storing your battery at full charge (which is essentially what you are doing)
-running down the battery to "0%", i.e. < 3.40 V repeatedly
-heat
-very fast discharges (not possible with a smartphone)
-very fast charges (again not possible)
So, if you want to get the best life out of your battery, it is definitely NOT advisable to leave it connected to the charger at all times. It will (or should) not get overcharged, but simply being at full charge for a prolonged time damages the cell more than being used in a normal fashion.
And yes, all LiIon batteries in phones have overcharge protection, because LiIon batteries burst into flames at just about 4.55 V (which is obviously very close to the full charge voltage) and companies want to avoid that in general.
Click to expand...
Click to collapse
Have we gone back to 1985?
Where's my tinfoilhat?
Aliens n stuff!
kitch9 said:
Have we gone back to 1985?
Where's my tinfoilhat?
Aliens n stuff!
Click to expand...
Click to collapse
If you don't know much about LiIon battery chemistry, perhaps you want to research a little bit?
Valynor said:
If you don't know much about LiIon battery chemistry, perhaps you want to research a little bit?
Click to expand...
Click to collapse
Facepalm.gif.
Op said he connects his machine for HOURS. If he said YEARS I'd agree with you, all li-ion modern batteries have circuits which moderate their charge cycle to condition the battery when plugged in. When your device is plugged in it doesn't actually mean the battery is charging if it doesn't need it then it won't be. You might want to research that.
kitch9 said:
Facepalm.gif.
Op said he connects his machine for HOURS. If he said YEARS I'd agree with you, all li-ion modern batteries have circuits which moderate their charge cycle to condition the battery when plugged in. When your device is plugged in it doesn't actually mean the battery is charging if it doesn't need it then it won't be. You might want to research that.
Click to expand...
Click to collapse
Of course its not charging if its full, otherwise it would go up in flames. But Valynor is right, storing lithium batteries fully charged is not good for the battery.
poisike said:
Of course its not charging if its full, otherwise it would go up in flames. But Valynor is right, storing lithium batteries fully charged is not good for the battery.
Click to expand...
Click to collapse
Which is awesome, but that was not what the OP was asking. All Li-ion batteries have overcharge/discharge protection which means the OP can do as he has asked without worrying.
Banging on about how he might die in a fire is a little..... Hyperbolic?

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