What I mean is, I'll use my phone all day and get down to like 60%. Then I plug it in for 30min or an hr with mixed use, and take the phone off the charger again (car charger) to use some more. Let's say the battery is now at 84% after being on the charger. I don't use the phone much after this charge and go to bed with about an 80% charge with the GSM radio on all night. I wake up about 6:30AM and check the battery level in the systems folder and battery status and it shows, 80%. About 10mins later, I get a notification for a task reminder. I go to dismiss it and look at battery status. The battery level is now 89%!? So now I don't know if it's actually at 89% or if it's really lower and giving a false reading. Very frustrating. Previously I had issues with the battery being drained when in flight mode on another ROM though. Just wondering if anyone else is having similar issues or if it's my battery or device.
BTW I'm now using Premium 2.0 w/o cube.
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Hi all,
I've been having issues with my phone lasting nowhere as long as my girlfriends identical one,
I installed Quick System Info on both phones, Killed all tasks.. Not only is my display duller than hers on the lowest setting using the power control widget but the voltage on my battery is 3737mV while hers is 4071mV..
Is this cause for concern?
Update, forgot to mention, this is from a full charge on both handsets.
Sounds like your battery is fu#ked!
There seems to be an issue with the way android reports the battery voltage. If I leave my phone on the charger until the light goes green and the indicator says 100%, the voltage will often report between 4.146v - 4.156v.
Upon unplugging the phone would drop to 99% and 4.125v almost immediately.
I noticed the other day that after leaving the battery on the charger overnight the voltage was reporting as 4.206v and I was able to use the phone for over 15min before it dropped to 99% from 100%.
Minimum voltage before your phone powers off is around 3.6v - 3.650v. So 3.737 is pretty close to the cut-off point. The OS is may report 100% charge but your battery is not holding charge.
I had a battery on a different device that was like this. The battery had collapsed. I could charge it for 24hrs and it would not make a difference. Within 30min of use or 1 phone call it would die.
Does your battery have any bugles, bumps or protrusions? This is often a sign of a collapsed battery.
Edit: Don't write when you're tired, silly things come out of your fingers! Soz!
have you tried to swap batteries between the two phones. That will exclude either your phone or the battery from being faulty.
Yes, after scratching my head for a few days I did eventualy come up with the genius idea of putting the battery from the other phone into my phone!! and after charging it up, set it down for an hour and then checked and the battery was on 98% !!
So it looks like there is something wrong with my battery, This morning I woke up and my phone had been charging for 7 hours and was fully charged, I looked at the battery meter and it said 100%, I turned the phone off then back on and checked again.. 90% ???? WTF ??? just from turning the phone off and on?
This morning after I got ready I took my phone off the charger (it had been charging all night and was at 100%) and walked upstairs. About 10 minutes later I turned on the phone and it was at 67% and going down. I had flashed a new rom yesterday and as quick as I could I did during the drain I did a NAND restore. Could this have been actual battery drain or is there something wrong with my phone/stats. Could my phone have stopped charging at 50% and then just said it was 100%? What should I do? Is there anyway to avoid this from happening again?! I cant go to work with a battery at 50%! lol
-.- Searching is your friend.
The Evo has never trickle charged properly. Trickle charging is when you hit 100% battery while charging and the phone will continue to keep the battery charging and maintain this 100%. So 100% > 99% > 100%.
The problem is the Evo doesn't do this. Once it hits 100%, it switches to battery. It will run off the battery till it hits about 90% and then charge again. Some even say it will NEVER charge again after it hits 100%. So when you unplug it in the morning, you end up dropping extremely fast from 100% to 90%.
There are kernels in the development section that fix this issue but there are people who say it will break your phone or burn your battery out faster over time. When trickle charging, your phone will get hot as its constantly draining and charging. That can lead to a burned out battery as time goes on or a damaged phone. I personally have three batteries. I still tried to use this and noticed a drastic improvement but my phone was also pretty warm when I picked it up in the morning. Its up to you.
Also you might want to see if you have your 4G radio on. That is probably the only thing I can think of that would drain it that fast. Either that or your GPS is on and theres an app running thats using the GPS receiver.
i'd say a 30% drain in 10 minutes is unnatural. it wouldnt be myns rls4 that you flashed, would it? this is experianced by some as a "first day side effect". just fully drain and fully charge the battery a few times and you will be fine.
It could be that it just needs a couple drains and I don't want to quickly point the finger at an app that you are using. A lot of times if I actually charge my phone it will be on 92% when I wake up. 67% is a stretch unless that was 10 minutes of a game or YouTube..but still. Drain the battery a few times and see what happens.
i was thinking maybe its some kind of battery stats problem? Could that have caused it?
I was wondering how i would set up my phone. Reset batt stats, longer charge times or something on how to get the best out of the extended 3500 battery. Also any hints or advice?
i have the same one and i just cleared the stats after charging the battery till full.
Sorry bad post delete please. This message just this one lol.
How do I know its full. ? Just over charge it with it on or off?. That's what u wanted to know. And does the percentage become accurate after doing this?. As I understand right now it should only register at 1500 right until the batvstats are chnage and then registers as 3500. And should display % based on that
Sent from my PC36100 using XDA App
i let mine charge until the green light was on, then unplugged and waited for the light to go out and re plugged did that a couple times until light is orange and charged till it was green again. havent had any problems.(knock on wood)
Do you know how long it took for that process? im getting it green now and will do the rest tonight with it being off. I am hoping that it registers the full battery capacity.
I've had very good luck with a $7 Chinese 3500mah from Amazon. I reset my stats through my battery widget but not until weeks after I had the battery. I don't think I was rooted when I first bought it.
The first day I got it I installed it and it showed 66%. I ran it down to 0% which took a pretty long time. Supposedly that's important, several cycles of complete discharge.
I have this docking station that is absolutely worthless as a docking station, but pretty awesome as an external battery charger. I use that to charge it, and sometimes charge it while its in the phone with the stock wall charger. The phone recognizes the %'s pretty close. At first it would drop to 80ish% pretty fast and then be really long between 50-80. Now it seems pretty steady all the way through.
Hmm I never thought to run down a Li-Ion battery due to it not actually having a memory.. Well i got it fully charged and I will see how long it takes to run down.
So I am waiting on how things will go for it lol. Thanks for the help guys. If anyone else has anything else feel free to chip in.
Get the battery monitor widget int he market, go into the settings and make sure you set it for the maH that your battery is, and then try the guide in my signature.
I have had my extended battery for some time now. I don't have BMW and have no history out my battery on my phone. All I did was put the extended battery in, played with the phone like crazy, killed the battery all the way, kept the phone off and charged it until 1 hour after the LED turned green. No issues.
Sent from my PC36100 using XDA App
hxxp://i.imgur.com/uZEc4.png
I'm in the middle of a record setting run right now. This is very unusual. Usually I get 16-24 hours. My battery and EVO seem to have a mind of their own. But when it works it works good. I still struggle with intermittent 'android system' battery problems.
Every night I charge my DHD while I sleep so it makes it through the day. The phone is always in aeroplane mode, screen off, wifi off etc.
Last night after copying files to and from my computer, with my DHD connected to my computer via USB I found it fully charged. I figured there was no point plugging it in overnight if it's only at 100%. So I unplugged it, put it on aeroplane mode locked the screen and left it overnight.
This Morning I expected a maximum of 5% drop in battery overnight but was shocked to fine 47% had trickled away overnight. I checked the battery usage in 'About Phone'. Very little was listed, things like Display with a time on of 4min, Android OS is listed with a CPU load time of 44s and 5.21KB of data sent. All of these are very small drains but at the top of the list is 'Phone Idle' which just states its been idle for 8hr and 33min.
So Why did my phone drain so much power overnight? These are the only things listed in battery use and none of them seem enough to drain almost half my battery.
I can comfirm overnight I'm sure aeroplane mode was ON, because I had to turn it off this morning.
Wi-Fi was OFF because I rarely use my phone for internet at home on my Wi-Fi, my tablet is for that.
The screen was OFF because battery usage only says 4 Minutes that it was on.
Anyone have any idea what's draining.
Try Battery Monitor Widget and look how many mA/h it drains when in idle. It should be about 1-10mA
Sent out of my Free-Candy-Van. Your kids are safe in there. Trust me.
Flussen said:
Try Battery Monitor Widget and look how many mA/h it drains when in idle. It should be about 1-10mA
Sent out of my Free-Candy-Van. Your kids are safe in there. Trust me.
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After 1 hour of leaving it with the battery monitor with the widget on my home screen, it shows 13mA. Is this acceptable? Mobile network was on but not sending any data, the screen was off the entire time.
I will monitor overnight to see what the drain is like then.
Sounds quite okay. Don't forget to add the widget to the homescreen. Then you can check the history in the app so you can see how much it drained over night.
Sent out of my Free-Candy-Van. Your kids are safe in there. Trust me.
Left my phone is same conditions last night, only drained 7%, weird. Battery Monitor measures throughout the night 1-5mA drain. Seems normal. Just weird that it drained so much one night and hardly any another night.
Had the same problem mines was a faulty battery had htc replace it for free, they didnt ask for the old one back...
My doze doesn't seem to be activating at night. Moto display turned off. I'm losing about 10% while sleeping which seems like a lot considering my s8 plus lost about half that with always on display on...
I'm also losing about 7% per hour and getting about 3hrs screen time per charge. I noticed a decrease in efficiency possibly after buying and using the Incipio wireless charging battery moto mod.
You can't judge battery drain from 100-90% once it goes below 88% that is when you get true readings. If you unplug your phone at the high 90's the charging algorithm could have had it at 92% and over those hours it just equalized itself.
I.E. I had my phone at 99% charge on the charger for an hour or two while using. The phone will still show 99% but the battery isn't getting a trickle to stay at 99% it will not get power and drop to roughly 91-93% depending on kernel then charge back up to help battery longevity but the system will still show 99% to not make the average user freak out over their battery level dropping while charged. There was a in depth post about this years ago on this site. Too lazy to search and post, but it is a simple search.
Edit: here you go, found it. It's a great read.
https://forum.xda-developers.com/showthread.php?t=871051
It is a good read but not really what I am talking about. I never leave my phone on my charger at night. I charge to 100% before I go to sleep and sometimes I use for hour or two before bed. So the drain I am experiencing can't really be related to a false reading due to changing currents after a long time on the charger. Sometimes it's down to 70-80% by time I go to sleep and I am still losing that amount in drain. Dozing doesn't appear in my charts at all at night so it appears the phone is never truly dozing... But hey, I'm not a genius about all this, I just know it's not dozing and my cycles in gsam suck for an 835 processor phone even taking into account the smaller battery.
My buddy just made a good point... If I am sleeping with the battery mod connected, even if it's not "charging" maybe the connection makes the phone"think" it's charging and not doze? I'll have to test that tonight.
Chrisy8s said:
My buddy just made a good point... If I am sleeping with the battery mod connected, even if it's not "charging" maybe the connection makes the phone"think" it's charging and not doze? I'll have to test that tonight.
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Click to collapse
That makes sense and I was just going off the image showing 100-92 drain. I wouldn't have a mod on if you're not using it, it can cause drain.