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Hi every one,
As far i know, there is a BUG on every official ROM for European GSM Touch Pro2.
When your battery get full charged and keeping it plugged to the wallcharger, then your Pro2 start taking the power from your battery and NOT from the charger.
This can be checked by yourself and you will see that even with it connected, the battery in running down charge, till you unplug it and plug it again after some minutes/seconds.
Yeah, I have noticed it as well. Anyone have a solution?
Not a bug. LiPoly's do not like being trickle charged, therefore the charger turns off.
I have not verified it on the TP2 but I suspect that if you let it sit long enough the battery level would drop to some level and the charger would charge it back to 100%.
This is a rather good new if it can manage battery loads cycles...
khaytsus said:
Not a bug. LiPoly's do not like being trickle charged, therefore the charger turns off.
I have not verified it on the TP2 but I suspect that if you let it sit long enough the battery level would drop to some level and the charger would charge it back to 100%.
Click to expand...
Click to collapse
It oughta turn the charger off and run the device from the mains, though, not from the battery. Is it doing that?
godefroi said:
It oughta turn the charger off and run the device from the mains, though, not from the battery. Is it doing that?
Click to expand...
Click to collapse
No it is NOT doing that, so to me it is a BUG.
just thought i would add this
for some reason on saturday i charged my phone via usb/pc and it lasted less than 24 hrs
so on sunday i drained it and charged it vis the plug
its still going noe
72 hrs 23 mins in stanby 30 mins talk and 4 hrs 7 mins use since 17.43 on 18/10/09
is never been this good so i thought it may be the new rom
http://www.batteryuniversity.com/partone-21.htm
Lithium-ion
(Li-ion)
Do charge the battery often. The battery lasts longer with partial rather than full discharges.
Do not use if pack gets hot during charge. Check also charger.
Charge methods: Constant voltage to 4.20V/cell (typical). No trickle-charge when full. Li-ion may remain in the charger (no memory). Battery must remain cool. No fast-charge possible.
Rapid charge = 3h
also i have read some where on xda that once it reaches 100% it'll stop charging
godefroi said:
It oughta turn the charger off and run the device from the mains, though, not from the battery. Is it doing that?
Click to expand...
Click to collapse
You know of any other modern phone that runs off the mains without the battery? None of my last three phones would without the battery.
khaytsus said:
You know of any other modern phone that runs off the mains without the battery? None of my last three phones would without the battery.
Click to expand...
Click to collapse
My Kaiser will. It turns off when you pull the battery, but you can turn it right back on.
Every one is talking about battery and it's components but no one speaks about that with charger pluged in, it should supply power and by pass the battery once it is fully charged like others models do.
sounds like you all need to do warranty exchanges for that lol
Tallpap said:
sounds like you all need to do warranty exchanges for that lol
Click to expand...
Click to collapse
No, what we need is that HTC do what we paid for.
User22 said:
Every one is talking about battery and it's components but no one speaks about that with charger pluged in, it should supply power and by pass the battery once it is fully charged like others models do.
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=571606 some people here probably would help
xnifex said:
it's true, once the TP2 hits 100% it stops charging the battery & the usage time will kick in.
Click to expand...
Click to collapse
and on this thread http://forum.xda-developers.com/showthread.php?t=573037&page=4 which a guy says
mattdoyal said:
Just tried my TP2 without the battery and plugged, didn't power on. Why would they take away the ability to power on while plugged in but with the battery removed?? This was and would be a great troubleshooting step. Hey HTC, start building our phones with this option!!
Click to expand...
Click to collapse
i hope this helps
Have in mind that once the battery is fully charged, it never go to charge again till you unplug the cable of your wall/car charger... so what will hapen then???
hello anyone know about the issue with the battery ok when i charge my euro tp2 all night and when i go to start>settings>all settings>system>power i then click on the infomation tab and under last full charge i get "not applicable" and get 0 hours and 0minute for the rest
im running the offical htc 6.5 rom
To me this sounds CRAZY. So people are saying that when the device is fully charged it starts to use its battery, thats just crazy... So basically charging it overnight leaves you with "almost" full battery in the morning...
I havent noticed anything out of the ordinary, and every morning when I come and take my device from the charger the charging light is green (opposed to the orange when started charging) and the battery shows to be 100% full.
I will check this again in the morning as I havent really paid 10000% attention to it, but I think I would have noticed the weird behaviour…
noticed this since day 1. my dash didnt do this. i did notice that a soft reset will resume the charge.
This is normal behavior for battery powered devices.
When it's plugged in, the charge circuit charges the battery.
The device itself always runs off the battery when it's available, this is why some devices won't power on without the battery installed, and many devices won't power on with a failed battery installed.
Laptops do the same thing, though they can switch to AC only without losing their state.
It's a holdover I think from when electronics couldn't switch between power sources fast enough to not lose anything (I remember the original game boy would reset no matter what if you tried to switch between batt and AC). It's possible that cell phones can't make this transition since there isn't really extra space to stuff in the bits that allow this (some large-ish caps).
I've also heard that this reduces wear on the electronics, because the voltage is more reliable, but I've never seen that documented.
kay7 said:
The device itself always runs off the battery when it's available, this is why some devices won't power on without the battery installed, and many devices won't power on with a failed battery installed.
Laptops do the same thing, though they can switch to AC only without losing their state.
Click to expand...
Click to collapse
I don't think this is true for (modern) laptops. All the macbooks and thinkpads that I've owned had a feature that if you plug it in while the battery is above X% (usually around 96) it will not charge. It even gives a message saying "Not Charging" in the battery status. The battery percentage then stays constant no matter how long I use the laptop, so it is not DIScharging either. Therefore it must be running from AC. If it can do that, I doubt they would have it run off the battery as soon as it is charged to 100% on a full charge cycle. I think any time AC is plugged in, a modern laptop will run from AC rather than battery, regardless of whether it is currently charging the battery. However, that's just my theory from personal observations.
I noticed something about the battery meter.
If you power on your phone when the charger is plugged in, the battery meter shows a higher value.
If you power on your phone when no charger is connected, the battery meter shows a lower value.
And these values stay for as long as your phone is not rebooted. My guess is, the value without charger plugged in (lower value) is more accurate.
So, if you want to make your battery meter more accurate, try this:
- Disconnect your phone from the charger
- Power off the phone
- Power on the phone again (phone must be disconnected from charger)
- After phone has booted into Android, plug the phone into USB/charger to charge it again
If you could try this out and see if the observation is always true, then maybe we should make this procedure standard to get a more accurate battery meter reading.
So this may have caused the fact that my phone keeps telling me, while charging, the battery is fully charged however it says 95% as soons as its unplugged
Power off the phone and connect charger while it's off, wait for the 100% sign on the fully green battery, then unplug the cord and connect it again, you can do this a couple of times. And resetting the battery stats should also help in some way.
opica said:
Power off the phone and connect charger while it's off, wait for the 100% sign on the fully green battery, then unplug the cord and connect it again, you can do this a couple of times. And resetting the battery stats should also help in some way.
Click to expand...
Click to collapse
What I'm suggesting is a bit different.
Power off phone.
Power on phone again, without plugging anything in.
After phone has booted, plug in charger.
EDIT: I notice this difference in battery meter reading tends to happen only with the *real* charger, and not when connect to a USB port on a PC.
That is right hardcore. This also refers to post-flashing boot.
I always disconnect device as soon as flashing procedure completes.
hardcore said:
I noticed something about the battery meter.
If you power on your phone when the USB charger/cable is plugged in, the battery meter shows a higher value.
If you power on your phone when no USB charger/cable is connected, the battery meter shows a lower value.
And these values stay for as long as your phone is not rebooted. My guess is, the value without USB plugged in (lower value) is more accurate.
Click to expand...
Click to collapse
Hey,
Heres whats happening:
Lithium-ion batteries dont like it when you charge them while full. It wears them down. So to preserve batterylife it charges untill full, then stops charging completely. When it droppes down to far, it'll charge again for a bit. The phone will show full, in reality it'll be a little less. When you unplug it will drop down quickly to a more precise value. Bump-charging (disconnect, reconnect charger) works, however you are wearing the batterylife down. Could be you dont care, so it'll be youre own choice.
Older phones do not do this. They charge till full, then trickle power continuesly so it'll always be full when disconnected.
Hope this helps.
weirder said:
Hey,
Heres whats happening:
Lithium-ion batteries dont like it when you charge them while full. It wears them down. So to preserve batterylife it charges untill full, then stops charging completely. When it droppes down to far, it'll charge again for a bit. The phone will show full, in reality it'll be a little less. When you unplug it will drop down quickly to a more precise value. Bump-charging (disconnect, reconnect charger) works, however you are wearing the batterylife down. Could be you dont care, so it'll be youre own choice.
Older phones do not do this. They charge till full, then trickle power continuesly so it'll always be full when disconnected.
Hope this helps.
Click to expand...
Click to collapse
I'm not talking about the usual Li-ion full-charge effects. Also it may not be true that other phones don't do this. For sure, many laptops do this - after the battery charges to 100%, they won't charge the battery until it decreases to a certain level, say 95%.
I'm referring to the difference in battery meter reading if u boot the phone while connected to the wall charger, vs booting the phone when it's disconnected from the charger.
What you say is right, I am used to power OFF my phone & charge it at night, & when I get up, switch it ON while still plugged in. I must make it a point to remove the cable before I switch ON.
I noticed this many months ago and it persists even after flashing many different firmwares. It actually comes in handy some times. For instance when my battery is running low and i need to step out i simply plug in the charger, power off then power back on. Phone instantly jumps 30% or so. But generally i tend to power on without the charger attached so as not to stuff up the battery stats.
Sent from my GT-I9000 using XDA App
Anyway this behavior is not correct.
Samsung changed recently battery drivers in JPX sources and the problem is still persistent. I suspect it might be related to wrong battery voltage measuring point (hardware design flaw? although most problems with sgs are/were software related) or result misinterpretation.
Or their Q/A team is so clueless that they didnt notice that.
hardcore said:
EDIT: I notice this difference in battery meter reading tends to happen only with the *real* charger, and not when connect to a USB port on a PC.
Click to expand...
Click to collapse
I just tested this. 5% battery. Reboot with usb plugged in. 50%battery. The battery also seems to drain really fast after the reboot.
I am plugged in using original usb cable in a usb on the front panel of my pc...
Edit: im still plugged in and it's going down... i boot with usb at 50% leave it in and while charging the battery goes down... i left it in and now it's going 49...48...47 while charging... wtf lol
Sent from my GT-I9000 using XDA App
Lightarrow said:
I just tested this. 5% battery. Reboot with usb plugged in. 50%battery. The battery also seems to drain really fast after the reboot.
I am plugged in using original usb cable in a usb on the front panel of my pc...
Edit: im still plugged in and it's going down... i boot with usb at 50% leave it in and while charging the battery goes down... i left it in and now it's going 49...48...47 while charging... wtf lol
Sent from my GT-I9000 using XDA App
Click to expand...
Click to collapse
My guess is this is because the actual level of the battery is 5%, and 'cause it's plugged in it's saying 50% for some strange reason. So really you're charging from 5% up to 50% (and eventually more, but that aside), and I think the phone is averaging between your actual battery level and the 50% every time you go up 1%? Just my guess.
johanaikema said:
My guess is this is because the actual level of the battery is 5%, and cause it's plugged in it's saying 50% for some strange reason. So really you're charging from 5% up to 50% (and eventually more, but that aside), and I think the phone is averaging between you're actual battery level and the 50% every time you go up 1%? Just my guess.
Click to expand...
Click to collapse
Yeay that is what im thinking too weird stuff.
@hardcore : just tried your suggestion. I shut down with the cable plugged in. Remove it. Reboot. But my battery is still at 47... ill try to go into cwm to see if that triggers something. Or maybe remove the battery and insert it again...
Sent from my GT-I9000 using XDA App
Ok. I tried this : removed my battery, waited 5 seconds, reput my battery, reboot all with charger unplugged. Battery went from 47 to 52. So this had no effect.
Then i shut down the phone, used 3br to get into recovery (cwm) did nothing except select reboot phone now and the phone rebooted, now 12% battery.
Btw using all tweaks in your kernel except tun.
Weird stuff...
Sent from my GT-I9000 using XDA App
noticed this months back too but didnt think much about it.
i just figured the software is reading the higher voltage during charge and reporting it wrong during boot.
*could be wrong
EDIT: and the diff is quite big, increase of 20-30%
hardcore said:
What I'm suggesting is a bit different.
Power off phone.
Power on phone again, without plugging anything in.
After phone has booted, plug in charger.
EDIT: I notice this difference in battery meter reading tends to happen only with the *real* charger, and not when connect to a USB port on a PC.
Click to expand...
Click to collapse
what @weirder post is the true fact about the lithium ion charge process. your charging method is called bump charging. but that way of charging the juice wear off the battery life sooner than normal charging..
I've been checking out the battery meter source code, and I think the battery level is calculated *only* from the battery voltage. Which is quite inaccurate, compared to laptop batteries which keep track of the charge, etc.
hardcore said:
I've been checking out the battery meter source code, and I think the battery level is calculated *only* from the battery voltage. Which is quite inaccurate, compared to laptop batteries which keep track of the charge, etc.
Click to expand...
Click to collapse
This could be improved by using its temperature. Since the SoC is a function of temperature, charge history, and current evolution over the time.
[[]]
I tried the bump charging till the meter says 100% and right after unplugging from the charger the meter reads 98%. I let the battery drain up to 96% and connected my phone into a usb port of my PC and when the meter say its 100% charged, i disconnected the phone from the usb port and wallah...it stays at 100% charged and it has been at 100% even after 15 minutes...
I really don't recommend bump charging. You risk damaging your battery by overcharging. Or worse, making it blow up due to overcharging! I know it sounds paranoid but you never know...
For anyone using Android 4.0, specifically running it as stock on this device, do you experience the same battery drain issues commonly seen in Gingerbread? You know the one where the process Android OS uses an ungodly amount of battery life through suspend and events/0?
been playing around with the phone for the past 8 hours from a full charge, nothing unusual about the battery
tomorrow with normal usage after the full charge i'll get a better view about it
h9290 said:
been playing around with the phone for the past 8 hours from a full charge, nothing unusual about the battery
tomorrow with normal usage after the full charge i'll get a better view about it
Click to expand...
Click to collapse
Does it take long to charge the battery? Like the nexus s. If its a slow charging phone like the nexus s then im not buying.
didn't think that fully charging it toke that much
i usually leave the phone charge when i go to sleep
removed from a 100% charge at 9:15am GMT
I own Nexus S too and experience the same, slow charging ... using the charger from Samsung (default).
So, I changed the charger and I use the one that came with the HTC Desire
And it is much faster, like 3 hours to go fully charged compared to more than 5 hours.
So, there you go, change your charger!
sheek360 said:
Does it take long to charge the battery? Like the nexus s. If its a slow charging phone like the nexus s then im not buying.
Click to expand...
Click to collapse
I can usually get my nexus S to a full charge in an hour or two, depending on how empty I let it get. It's fast enough that if I've forgot to charge & need to go out a 20 minute blast will get me through the evening.
No idea who made the charger.. I've got a house full of the damned things these days
So what about life time?
Just check your chargers mA output, the higher the nr, the faster the charge. A computer USB port outputs 500mA wich gives a rather slow charge normal mA on chargers is around 700mA -> 1A. Keep in mind though that higher mA resulting in a faster charge puts more stress on your battery and it WILL get hotter, to high numbers can even damage your battery so be carefull and monitor your batterys temp when trying a new charger!
Sent from my X10i using xda premium
7:30 and the battery is on 58%
been using it since 9:15 off charge. browsing/gps/wifi and browsing
h9290 said:
didn't think that fully charging it toke that much
i usually leave the phone charge when i go to sleep
removed from a 100% charge at 9:15am GMT
Click to expand...
Click to collapse
h9290 said:
7:30 and the battery is on 58%
been using it since 9:15 off charge. browsing/gps/wifi and browsing
Click to expand...
Click to collapse
Wow! That sounds really really good tbh! Makes me really happy to hear :-D
Sent from my X10i using xda premium
Slightly off topic, but regarding charging...
Does charging via a "weaker" USB port damage the battery? For example, at work, the only USB port available is an old iMac keyboard USB port, and it's "weaker" in the sense that when I connect it to my phone, the computer tells me "A USB device needs more power.... "
I understand this might charge the battery slower, but does it cause any damage to it, short or long term?
onthecouchagain said:
Slightly off topic, but regarding charging...
Does charging via a "weaker" USB port damage the battery? For example, at work, the only USB port available is an old iMac keyboard USB port, and it's "weaker" in the sense that when I connect it to my phone, the computer tells me "A USB device needs more power.... "
I understand this might charge the battery slower, but does it cause any damage to it, short or long term?
Click to expand...
Click to collapse
As far as i know USB before 2.0 needed external power supply, meaning your device should not be able to charge from this type of USB. But to answer your question, no, you can not damage an electric device by undervoltage or lower Amps.
Sent from my X10i using xda premium
Hope to get the GN soon.
Like to see and test how the charging is with different chargers.
Have seen slow charging ( also better hold out ) with different chargers.
My best charging is stil with the original desire ( charges quick and battery holds longer ).
Galaxy S plus is slow, wildefire also slow...
Hi, after three times full cycle charge(one through the socket on the wall and two via usb). I found my galaxy nexus battery could only be charged up to 99%, even there is a "complete" showed on the locked screen.
So do i need to reset my phone xia bootloader or anybody know how to solve that? Many thanks!!!!!!
Sent from my Galaxy Nexus using XDA App
flyhighln said:
Hi, after three times full cycle charge(one through the socket on the wall and two via usb). I found my galaxy nexus battery could only be charged up to 99%, even there is a "complete" showed on the locked screen.
So do i need to reset my phone xia bootloader or anybody know how to solve that? Many thanks!!!!!!
Sent from my Galaxy Nexus using XDA App
Click to expand...
Click to collapse
Known, this is for battery protection.For example sgs2 showed 100% but it is not actually 100%.Galaxy Nexus shows the correct level.Dont worry
Mine only goes up to 97%! Very annoying.
Sent from my Galaxy Nexus using Tapatalk
98% here! Although I've gotten used to it now.
RTContent said:
98% here! Although I've gotten used to it now.
Click to expand...
Click to collapse
Have you guys tried to turn off your phone and then let it charge once it is full turn it back on? I noticied that was the only way
I was about to post here to ask about this, as I've noticed it as well. Good to hear it's normal, but I'm curious how it protects the battery.
This is standard charging behaviour and happens on the Nexus S too (which is currently my phone). There were similar questions on the Nexus S general forum about this behaviour too.
It is for increasing battery life. You should not charge it to maximum or discharge it completely. It's a well known fact about Li-Ion batteries...
afilopou said:
Known, this is for battery protection.For example sgs2 showed 100% but it is not actually 100%.Galaxy Nexus shows the correct level.Dont worry
Click to expand...
Click to collapse
Thanks mate~ I am new on Android, so just curious about this....
I have this issue too. I have noticed that if I unplug it and plug it back in, it will charge to 100%. I had assumed it was because I was using the Samsung 700ma charger. Guess not.
I have noticed my Galaxy Tab 7 does the same thing, but it will show 100% until I unplug it then it will go down immediately to a lower level, I plug it back in and let charge and it goes to 100%.
I have guessed that what is happening is that once it charges to 100%, it stops charging and starts using battery, thus the decrease. I have not watched it to try to catch it as soon at it done charging to see if this is the case as I always charge overnight.
I would guess that if I let it get low enough, it would start charging again. I know my laptop will not charge the battery unless it is 90% or less to prevent top offs that shorten battery life.
ankitb4u said:
Have you guys tried to turn off your phone and then let it charge once it is full turn it back on? I noticied that was the only way
Click to expand...
Click to collapse
will try this tonight！
robinsmy1 said:
I have this issue too. I have noticed that if I unplug it and plug it back in, it will charge to 100%. I had assumed it was because I was using the Samsung 700ma charger. Guess not.
I have noticed my Galaxy Tab 7 does the same thing, but it will show 100% until I unplug it then it will go down immediately to a lower level, I plug it back in and let charge and it goes to 100%.
I have guessed that what is happening is that once it charges to 100%, it stops charging and starts using battery, thus the decrease. I have not watched it to try to catch it as soon at it done charging to see if this is the case as I always charge overnight.
I would guess that if I let it get low enough, it would start charging again. I know my laptop will not charge the battery unless it is 90% or less to prevent top offs that shorten battery life.
Click to expand...
Click to collapse
the way you used is exactly what my friend told me to do. He has the same issue, and if he unplug the charger when a 'complete' showed on the locked screen and replug it, you could get a 100%!!
Same problem here but I dont care.
I had this problem. My GN would only charge to 98% so I left it on charge for nearly 8 hours and it eventually got to 100% I carried out a battery calibration using this app from the market and its been perfect ever since I've even noticed an increase in battery life
https://market.android.com/details?id=com.nema.batterycalibration
Sent from my Galaxy Nexus using xda premium
flyhighln said:
the way you used is exactly what my friend told me to do. He has the same issue, and if he unplug the charger when a 'complete' showed on the locked screen and replug it, you could get a 100%!!
Click to expand...
Click to collapse
Your not supposed to do this. Charging to 100% and/or letting it drop to 0% decreases battery life in the long run. This applies to all LI-ION batteries, in your laptop, or anything else.
You people that complain about 96-99% just need to get over it. It's like that for a reason. Don't go chasing mods the charge it to 100%, or ways to trick it into saying 100%, just accept that when it says charged it is.
edit: Sorry if I come off as an 8==D. Just tired of seeing posts like this (the nexus S does the same thing. Its by design for a reason.)
My galaxy nexus charges all the way to 100%. But when i leave it charging overnight, when i wake up its on 97%. I think its a built in safety feature to prevent the phone from charging when left plugged in for an extended period.
Sent from my Galaxy Nexus using Tapatalk
Oh good to know this is intentional.
How is my phone losing battery while charging ? It's insanely hot too.
CM10 stable - Jelly Bean - SGS3 - Bell
NOTHING is running. I have been closing all apps.
Did you try rebooting it?
Tony_YYZ said:
Did you try rebooting it?
Click to expand...
Click to collapse
yes
Have you tried another cord, I had an issue like this and a new cord fixed it. Also are you charging through a computer or wall socket or both?
nsmith4 said:
Have you tried another cord, I had an issue like this and a new cord fixed it. Also are you charging through a computer or wall socket or both?
Click to expand...
Click to collapse
USB to PC
I would try another cord and/or a different pc if possible.
Also check the battery stats to see if a certain app takes up a lot of battery (it may restart the app as soon as you kill it).
If none of that works I would wipe and re-install the rom or another rom for testing purposes.
And if it occurs on multiple roms/kernals it maybe hardware/battery related.
i believe you shouldn't charge it with a PC usually. i could be wrong though.
Funkadelick said:
yes
Click to expand...
Click to collapse
Try using a wall charger
slicetwo said:
i believe you shouldn't charge it with a PC usually. i could be wrong though.
Click to expand...
Click to collapse
Nothing wrong with charging via a PC. It'll just charge a lot slower.
Tony_YYZ said:
Nothing wrong with charging via a PC. It'll just charge a lot slower.
Click to expand...
Click to collapse
Not necessarily - in my experience it depends on how much power your computer's USB ports are capable of providing, and even that can vary depending on what controller is powering what ports and the like. I normally charge my phone from my computer and it takes roughly the same time as using the wall charger, though I've noticed that it doesn't seem to charge as quickly on at least one or two other computers I've had the phone plugged into.
USB usually has 500mA, where as the charger supplied by Samsung has 1000mA. It -will- charge faster with the supplied charger.
Ecip said:
USB usually has 500mA, where as the charger supplied by Samsung has 1000mA. It -will- charge faster with the supplied charger.
Click to expand...
Click to collapse
That is still sufficient power to run the phone without the battery. So at worse, the battery stays at the same percentage. It's not normal for the battery to drop while the phone is plugged in.
Sent from my SGH-I747M using xda app-developers app
smelenchuk said:
Not necessarily - in my experience it depends on how much power your computer's USB ports are capable of providing, and even that can vary depending on what controller is powering what ports and the like. I normally charge my phone from my computer and it takes roughly the same time as using the wall charger, though I've noticed that it doesn't seem to charge as quickly on at least one or two other computers I've had the phone plugged into.
Click to expand...
Click to collapse
Higher powered USB ports are far and few inbetween. Usually higher end PC's/controllers will accommodate this. Most PC's though only push about 500mA via the USB ports.
Funkadelick said:
How is my phone losing battery while charging ? It's insanely hot too.
CM10 stable - Jelly Bean - SGS3 - Bell
NOTHING is running. I have been closing all apps.
Click to expand...
Click to collapse
once in while my phone will bug out like that, even if you turn it on and off. only way to really fix it is a battery pull.
I have found that if I am doing anything on it (screen on, gaming, Internet, etc.) and connected to my laptop, it often will not have enough power on the subject to compensate for what I am using and will only slow the speed the battery decreases.
That's crazy. Try a factory install. Another possible point of contention, lock frequencies and stop all overclocking. On custom Roms is your clock/governor settings set in the rom OR an app? If you have both set to boot they could be conflicting and constantly switching clock speed and governor settings.
Another thing to do. Charge to 100%. Go into recovery and delete your battery stats
yeah.. that's happened with me while pc usb charging. i was running maps, playing music, and texting at the same time with the screen constantly on. at first it was a slow drain.. then if i turn the screen off it would charge.. just too many things at once. but governor, voltages, schedulers do play a factor.
I don't think you guys realize. I don't have a single app running. At lunch time today I basically had 95% charge on my phone -- and it was connected to my computer.
In about 5 hours the ONLY thing I did was send a few txts. Sent maybe 20 txts in 5 hours. The ENTIRE time my phone was plugged in.
My phone is now at 84% and it's super hot. Opening battery to see what's up? doesn't show anything using any battery juice.
This phone fuking sucks.
Funkadelick said:
I don't think you guys realize. I don't have a single app running. At lunch time today I basically had 95% charge on my phone -- and it was connected to my computer.
In about 5 hours the ONLY thing I did was send a few txts. Sent maybe 20 txts in 5 hours. The ENTIRE time my phone was plugged in.
My phone is now at 84% and it's super hot. Opening battery to see what's up? doesn't show anything using any battery juice.
This phone fuking sucks.
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This only happens while charging via PC?
What is it that's getting hot, the very bottom of the phone or the battery?
Have you tried going to retail store with this problem and see if they swap out the battery for you? Might just be a faulty battery.
Have you tried different PC's and/or different usb cables?
Sent from my SGH-I747 using xda premium
Faulty cable
Funkadelick said:
How is my phone losing battery while charging ? It's insanely hot too.
CM10 stable - Jelly Bean - SGS3 - Bell
NOTHING is running. I have been closing all apps.
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I just had the same problem with my brand new stock Galaxy S4.
I bought the new 2amp Genuine Samsung car charger and on the 1st use with my phone turned off it took 3 hours to charge 49 % battery and when i turned the phone on it would say it was charging but the battery was going down.
Faulty cable. Used the car charger with cable provided with phone, all fine. But the Galaxy S4 with auto brightness even with the genuine wall charger if you are playing games it takes ages ti charge and sometimes won't even charge and loose battery.
Just use the genuine charger and try not to use the phone while charging.