[Q] Overcharging? - Galaxy Note GT-N7000 Q&A, Help & Troubleshooting

Quick question: If I leave my phone charging all night, when it gets to 100%, will it keep charging and make my phone explode?
And if it doesn't and somehow just stops receiving a charge once it's full, will any electricity be used?

I charged whole night and its safe and good.may depend on voltage. Wait for some better answer and check it.
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When your phone gets full charged, device have cut off system, n will stop charging.
It won't explode.
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dr.ketan said:
When your phone gets full charged, device have cut off system, n will stop charging.
It won't explode.
Sent from my GT-N7000 using xda premium
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Crap... I was planning to plant a charging phone inside the house of my annoying neighbor Lol!

l0rd_almighty said:
Crap... I was planning to plant a charging phone inside the house of my annoying neighbor Lol!
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Click to collapse
LoL if it were only that simple... Anyways I left mine on the charger for almost a full day without use and no harm has come to it. Still has the same battery life as before.
Sent from my GT-N7000 using Tapatalk

You should have no problem with overcharging. I think the Note manages the charging at 100% by using the battery for a time and then charging again for a while. I often have the Note in my card dock for extended trips where it sits fully charged. My battery usage is still the same so there seems to be no problems.

xamaba said:
You should have no problem with overcharging. I think the Note manages the charging at 100% by using the battery for a time and then charging again for a while. I often have the Note in my card dock for extended trips where it sits fully charged. My battery usage is still the same so there seems to be no problems.
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I'd agree with this statement. To illustrate this, you can use an App to track the mV value of the battery rise and fall whilst still on the charger at 100%.
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Related

Battery charger fizzing

I've noticed over the past few days that when removing my charger from the socket that its making a fizzing noise is this something I should be worried about?
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thatguychris said:
I've noticed over the past few days that when removing my charger from the socket that its making a fizzing noise is this something I should be worried about?
Sent from my LG-P990 using XDA App
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Only if you're a light sleeper!
withoutwings said:
Only if you're a light sleeper!
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Lol just worried ill be woken by a house fire one evening didn't know if other people have the same issue, it fizzes for around 30 seconds after being unplugged and all the time when plugged in.
Sent from my LG-P990 using XDA App
From what I've heard, a large percentage of the LG chargers do make this noise (including mine), and I guess the volume varies too.
It does mean that it's a cheap, crappy charger but if you're not seeing any side-effects (such as the phone shutting off while charging) then it shouldn't matter. However I would advise to switch it off or unplug when not using it.
Mine is fizzing as well. As a precaution I remove the charger from the wall socket whenever I'm not around for a prolonged period of time. For what its worth: my phone randomly freezes both when charging and when not.
Dont worry. It's pretty common for cheap SMPS's. What you hear is the power supply's switching frequency
Yeah I've had the auto shut offs to and was hoping that that was down to a software problem? Hopefully chargers are not to blame.
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thatguychris said:
Yeah I've had the auto shut offs to and was hoping that that was down to a software problem? Hopefully chargers are not to blame.
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Why not? Easy to swap a charger (as opposed to the phone itself! )

Battery

I some up this morning and saw my battery was at 88%, it has bin on charge all night how can I fox this so it charges to 100%?
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"some up"? Ok... go to CWM->Advanced->Wipe Battery Stats ... if doesn't work, do a full wipe or reflash ROM, you are using...
Woke* auto correct lol, and o do this after every ROM flash and this wouldn't affect that anyway, its not done it before, only to 98% or something but I read that it does this it will reach 100% the stop charging to preserve the battery, but dropping to 88% is a bit extreme I think I'm losing like an hour of battery life
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calum96 said:
Woke* auto correct lol, and o do this after every ROM flash and this wouldn't affect that anyway, its not done it before, only to 98% or something but I read that it does this it will reach 100% the stop charging to preserve the battery, but dropping to 88% is a bit extreme I think I'm losing like an hour of battery life
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This is a calibration problem caused exactly by you wiping your battery stats, you need to leave them alone and after each flash do a full empty to full charge cycle so the stats can provide proper calibration statistics, I have never wiped battery stats in 2 years of owning my phone
I always do this after a wipe, wait till fully charged>wipe stats>discharge fully>recharge fully
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Ok, I know the point you are making but I personally think it does more harm than good.... Does it drop straight down the moment you remove the charger?
I don't know if it might be a battery problem, or if the CM9 Nightly build I'm currently on holds a charge really well, but sometimes I charge my phone up to 100%, then after about 30 minutes of continuous, non-stop usage, the battery is still at 99%.
Is this odd behaviour or is it normal?
slaphead20 said:
Ok, I know the point you are making but I personally think it does more harm than good.... Does it drop straight down the moment you remove the charger?
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No it only charges to 88% unless I remove charger then plug it back in again then it will charge to 100%, I think its because the phone charges to 100% then drains then charges, but I think its failing to start charging once it drops to a certain limit (say 10%) so normally it would charge to 100% drop to 90% then charge to 100% so it doesn't damage the battery, but as I said I think its failing to start charging again so it just keeps falling... I need a fix for this? And yes it is a cm9 base
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Try battery calibration from the play store
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amerkiller1995 said:
Try battery calibration from the play store
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Click to collapse
http://forum.xda-developers.com/showthread.php?p=28544220
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slaphead20 said:
This is a calibration problem caused exactly by you wiping your battery stats, you need to leave them alone and after each flash do a full empty to full charge cycle so the stats can provide proper calibration statistics, I have never wiped battery stats in 2 years of owning my phone
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I've always been wondering: is it possible to "damage" the battery or lose some of it's juice by doing wipe battery stats to many times?
solved
calum96 said:
http://forum.xda-developers.com/showthread.php?p=28544220
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ooooh thanks that worked for me:laugh:
battery quick use up
my battery up to 1850 map... y the battery still quick use up while i ady is ICS...

Instant Battery Charge Glitch

I plugged in my phone for 20 seconds and I went to check for email notifications and to my amazement it's fully charged.
This is now another possibility in battery issues. I know I'm using a faulty device (that's why I ordered a RMA) but this is kinda odd so I thought I'd share it with you guys.
Let's hope this instant charge sticks lol. I went from 7% to 100% in 20 seconds.
Sent from my Nexus 4 using xda app-developers app
AW: Instant Battery Charge Glitch
Had that also one or two times. If you leave it plugged in it goes back to the correct percentage after some minutes.
Likewise a minor software glitch that will get fixed soon, nothing to worry.
Sent from my Nexus 4 using xda app-developers app
Your phone is just that awesome... I wish my phone was that cool
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Good for example you need to go somewhere and you forget to charge it. Just plug it in for 20 sec and bam it's fully charged and problem solved.
sent from my Desire HD while waiting for my Nexus 4.
AW: Instant Battery Charge Glitch
This happens when you plug in the phone and the wall charger has no voltage, e.g. because you use a switch that is off. If you switch it on, the glitch occurs and the phone is instantly charged. Of course that's not really the case, though. Rebooting solves this most of the time.
Sent from my Nexus 4 using xda app-developers app
The Galaxy Nexus had none of these issues. I just hope that Google fixes this soon.
AW: Instant Battery Charge Glitch
wilsonlam97 said:
The Galaxy Nexus had none of these issues. I just hope that Google fixes this soon.
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this is a non-issue as it is charging fine when left. no disadvantages except when you really believe it is fully charged in a second.
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my phones done this 2 times.
abufaka said:
this is a non-issue as it is charging fine when left. no disadvantages except when you really believe it is fully charged in a second.
Sent from my Nexus 4 using xda app-developers app
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Nope. It doesn't let me continue to charge until I restart the phone (for me at least).
My phone did this last night. I noticed it right away, so I just unplugged the cable and plugged it back in and bam it went back to charging its merry little heart out
wilsonlam97 said:
I plugged in my phone for 20 seconds and I went to check for email notifications and to my amazement it's fully charged.
This is now another possibility in battery issues. I know I'm using a faulty device (that's why I ordered a RMA) but this is kinda odd so I thought I'd share it with you guys.
Let's hope this instant charge sticks lol. I went from 7% to 100% in 20 seconds.
Sent from my Nexus 4 using xda app-developers app
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I am also experiencing this issue with a Nexus 4 (few weeks old) running Andriod 4.2.2.
Anyone know if this issue is fixed in upcoming release?
Just happened on my Nexus with Nokia 1.2mAh charger and latest CM10.1 nightly, reboot solved it though
düdldihüü said:
This happens when you plug in the phone and the wall charger has no voltage, e.g. because you use a switch that is off. If you switch it on, the glitch occurs and the phone is instantly charged. Of course that's not really the case, though. Rebooting solves this most of the time.
Sent from my Nexus 4 using xda app-developers app
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I think this is correct. I've had this happen 3 times in 6 months and it's only happened when I plug the phone into the charger right after plugging the charger into the wall.
I've since tried to leave the charger plugged in about 10-20 seconds before attaching the phone and it hasn't happened since (~3 months)
FormerSlacker said:
I think this is correct. I've had this happen 3 times in 6 months and it's only happened when I plug the phone into the charger right after plugging the charger into the wall.
I've since tried to leave the charger plugged in about 10-20 seconds before attaching the phone and it hasn't happened since (~3 months)
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Thanks, will try this approach.
i hope someday "20sec charging" will be a feature for every smartphone
Happened to me one night but when i unplugged my phone in the morning, it went down to 40% :/ so evidently it didnt continue charging after glitching. Battery usage pane confirmed this.
Sent from my GT-N8013 using xda app-developers app
I usually charge my phone during nights.. Sometimes on the morning my battery is down to 80%, it stopped charging at 100% and I assume didn't charge any longer and the phone was draining the battery, has anyone else the same problem?
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Same thing happened again this morning, so annoying
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algebraic Celemes
Blocoholi said:
Same thing happened again this morning, so annoying
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For me 80% only in standby is too much. I always get Fully charged when I charge it at night.
pip0 said:
For me 80% only in standby is too much. I always get Fully charged when I charge it at night.
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Well the thing is I didn't unplug the phone from the charger..
Sent from my Nexus 10 using Tapatalk HD

Weird battery drain?

I put my phone on the charger last night at 1%, went to sleep. Woke up this morning and it was off. Turned it on while it was still on the charger and it was at 6% Notice on the far right of the screenshot it got fully charged then died on charger.
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Also sometimes my phone likes to turn off by itself. Have to hold down volume down+power then let go of volume for it to come on.
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Check for corrosion and gunk in your charging port and connector. If none found try a different charger. The picture you submitted shows a quite odd report. Also could try wiping battery stats... but I think you might need an unlocked phone for that.
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I have a similar problem. It just started recently. I had 19% and then I dropped to 1%. I charged it and had to reboot my phone for something when it was 14% and when it turned back on, it was at 3%.
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Has anyone tried another charger that has higher amp output, I use iPhone @ 1.5 amp charger and works great, also AHD phones need minimum .750 amp chager.
Has anyone tried also to re-calibrate battery?
HD-man said:
Has anyone tried another charger that has higher amp output, I use iPhone @ 1.5 amp charger and works great, also AHD phones need minimum .750 amp chager.
Has anyone tried also to re-calibrate battery?
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I have. I had this issue just once, but after that, my battery life its been worse. I feel like I have a 20% of unused battery or something. I have calibrated it multiple times with no luck.
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Charging. ?

Can I charge my phone with 2 amp charger ?
Will it damage the battery ?
And last question
Will it increase the charging speed ?
VanshKhanna said:
Can I charge my phone with 2 amp charger ?
Will it damage the battery ?
And last question
Will it increase the charging speed ?
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Click to collapse
Charged my phone with 2amp battery for more than a week... My battery is still working fine... Only thing I noticed is, I felt a small electric shock when I kept the phone to my ear... This did not happen in original charger that are in box...
Sent from my XT1068 using XDA Free mobile app
How much time does it take to charge ?
VanshKhanna said:
How much time does it take to charge ?
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Haven't checked the complete time to charge. But it much much faster than the stock charger...
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vinaybaboo said:
Charged my phone with 2amp battery for more than a week... My battery is still working fine... Only thing I noticed is, I felt a small electric shock when I kept the phone to my ear... This did not happen in original charger that are in box...
Sent from my XT1068 using XDA Free mobile app
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There is no charger in the box... Just a USB cable! Using my old Samsung charger! Works fine.
vinaybaboo said:
I felt a small electric shock when I kept the phone to my ear... This did not happen in original charger that are in box...
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You should never attend a call while charging and you should never touch your phone to you ear while charging
Many people died within last 2 years because of this...
And you should attend phone calls with left ear as it takes less radiations than the right ear
VanshKhanna said:
You should never attend a call while charging and you should never touch your phone to you ear while charging
Many people died within last 2 years because of this...
And you should attend phone calls with left ear as it takes less radiations than the right ear
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Thanks for the concern, bhai!!! :thumbup:
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VanshKhanna said:
Can I charge my phone with 2 amp charger ?
Will it damage the battery ?
And last question
Will it increase the charging speed ?
Click to expand...
Click to collapse
Yes it will increase charging speed.
But the battery life cycle will be affected,
So my recommendation is not to charge with any other charger.
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When I'm far from home I carry my Samsung charger, as it gives away 1Amp. But when I'm home I always use my Moto's.
This way, I don't overuse the Sam's charger and keep things ballanced.
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