First some history. Running Jaybob 2.3.4 June 4th. With the .35 kernal. But had the same problem running Aosp 2.3.4 also with the .29 kernal. Firerats 1.5.8 I think it is. Mtd 95 20.
Now the problem, Sometimes I will charge the phone over night and in the morning it will be at the same battery percentage as when I plugged it in and sometimes it will show 100% but then unplug it and it drops to the exact level as when I plugged it in instantly. Other nights it will charge full and stay there. Have had same results with different cables and chargers. So last night after installing June 4 Jaybobs I let it charge all night and this morning it read 100% so I went into recovery and wiped battery stats and rebooted. After reboot it read 74% the same as when I plugged it in the night before. So I let it charge for an hour and a half and when I checked it it was at 74%. I unplugged and rebooted and plugged in and now after an hour it is at 91%. That is where i am at. I plan to charge to 100 and wipe again. Any insights into this problem? Anyone seen this before?
Edit. After charging and wiping battery stats it is at 100 after unplugging. Will let die and recharge and see what happens.
I seem to have a similar problem. I usually turn off my phone every night and let it charge. First thing in the morning, it always reads around 82% instead of close to 100% like it should. This has been happening for the past couple of months now, on completely different Roms too. Like you, I also wiped my battery stats at 100% and it didn't help. Whats also weird, is last night, I left my phone on and it charged up to 100%, but the first ten minutes after I took it off the charger, it was down to 82% and 30 minutes later (after actually using it) it is at 80%. So pretty much it fell off of a cliff and landed at 82% and is now acting normal. I know this doesn't answer your question, but it assures you that you're not alone, and I'm searching for a solution too ;-)
tannerw_2010 said:
I seem to have a similar problem. I usually turn off my phone every night and let it charge. First thing in the morning, it always reads around 82% instead of close to 100% like it should. This has been happening for the past couple of months now, on completely different Roms too. Like you, I also wiped my battery stats at 100% and it didn't help. Whats also weird, is last night, I left my phone on and it charged up to 100%, but the first ten minutes after I took it off the charger, it was down to 82% and 30 minutes later (after actually using it) it is at 80%. So pretty much it fell off of a cliff and landed at 82% and is now acting normal. I know this doesn't answer your question, but it assures you that you're not alone, and I'm searching for a solution too ;-)
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Have you guys tried a New Battery?
Otherwise try presssing *#*#4636#*#* then select the Battery option, and take a look at the Health and other Info...
Might Help Determine the Problem?
Good-Luck!
*Sent on My*
Fast as its Ever Been....
"Sprint" Hero.... Running My, *ExEnHeroC* Rom, w/Kifno's Twist, Also The XDA-BLUE.apk!! "Page 10" of My Thread!!
http://forum.xda-developers.com/showthread.php?t=957867
http://www.megaupload.com/?d=WTMLMK6M
http://www.mediafire.com/?bb1axugm0bw7oro
http://m.youtube.com/index?desktop_uri=/&gl=US#/profile?user=PMGRANDS
i had the same issue a few months back. i fixed it by charging it from a computer usb port (it will charge slower, but from what i've read thats actually better for the battery). I let it get to 100% and left it connected for a while longer, then wiped my battery stats. from that point on it seemed to report the proper battery level.
I noticed that the ac charge adapter would charge it to 100% way too fast, from 12% to 100% in like 10 minutes if the phone was powered off. i knew that wasnt possible, so thats when i did the usb charge / battery stats wipe, and it seemed to fix it for me.
Problem was getting worse, did ruu and re rooted and seems to be fine. Will report tomorrow after more testing.
Sent from my HERO200 using XDA Premium App
Related
I don't know if I am the only one seeing this, but when I had Eclair, I had crap battery life, to the tune of 10 hours or so. (Granted this may not be crap for Nexus One but it is crap based off past phones I have had.) I installed FRF85B last night and discovered some weird glitches.
First off, when it was in my car dock, it wasn't charging yet the battery life kept dropping, I powered off the device, and powered it back on 10 minutes later (still in the dock) and no change stayed at 91%, still wouldn't charge. I then powered it off, took it out of the dock, plugged in the car charger cable directly and powered on my N1, when it turned on, it said I had 100% battery life. I then plugged it back into the car dock, and voila it started charging.
Secondly, originally when I had unplugged my N1 this morning I used it for about an hour at 5AM and it dropped 2% I plugged it back in to top it off expecting the same crap battery life from Eclair, yet so far, my phone has been fully topped off (from the car dock) for the past 40 minutes and I've made about 20 minutes of phone calls on it, yet it still is reporting 100%. So either Froyo can't properly report battery life, or it has the potential to have absurd battery life. Anyone else experiencing anything like this?
First off - you still didn't search this forum, so you're still thinking that an overcharging protection that doesn't allow you to charge unless you drop below 91%, is a quirk. It's not.
Second, wiping battery stats and making battery calibration procedure ONCE will give you a good starting point to measure something.
Jack_R1 said:
First off - you still didn't search this forum, so you're still thinking that an overcharging protection that doesn't allow you to charge unless you drop below 91%, is a quirk. It's not.
Second, wiping battery stats and making battery calibration procedure ONCE will give you a good starting point to measure something.
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The quirk isn't that it wouldn't let me charge that way, the issue was, my battery reported 91% yet when I rebooted the device with the charger directly plugged into it, it immediately showed 100%. So pretty much over the course of 30 seconds I gained 9% battery life.
I wiped my device to factory settings before upgrading to Froyo, and after as well, since my device is not rooted, my understanding is I cannot wipe my battery calibration log.
I did drain my battery fully after upgrading to froyo last night and did a full charge as well.
What you're describing looks like the statistics of the battery is "lying" a bit. I believe it can be thrown a bit off by trying to charge it when it's in 91-100% range, but I don't know the exact way it works, so I can't say much about it.
Indeed, if you're not rooted, wiping battery stats is not an option. Several times of full charge and long discharge (you don't need to go below 20%, to prevent harming the battery) are helpful in correcting the statistics.
If you get a chance to try, please repeat this again (having the phone at >90%, turning it off, plugging it into the charger and turning it back on). If it shows "Charged" again - it might be a bug worth reporting.
Jack_R1 said:
What you're describing looks like the statistics of the battery is "lying" a bit. I believe it can be thrown a bit off by trying to charge it when it's in 91-100% range, but I don't know the exact way it works, so I can't say much about it.
Indeed, if you're not rooted, wiping battery stats is not an option. Several times of full charge and long discharge (you don't need to go below 20%, to prevent harming the battery) are helpful in correcting the statistics.
If you get a chance to try, please repeat this again (having the phone at >90%, turning it off, plugging it into the charger and turning it back on). If it shows "Charged" again - it might be a bug worth reporting.
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I'll have to try it again tomorrow morning, first see if it happens under the same circumstances and go from there. One thing I do remember is the widget I was using "Battery Left" reported that at 91% I had 4100 mAh left in it, which was interesting, and when it went back to 100% it had 4120 mAh which makes me think the OS wasn't actually reading the voltage and thought it was just draining the battery instead.
EDIT: Just realised I had my wall charger with me, battery was at 90% figured I would try, real quick to attempt to replicate the problem, I was unable to, with a direct battery connection, but it could be due to a voltage issue or be related to why plugging it in directly to the car charger resolved the issue. My gut feeling is, it has to do with the dock itself and the pins it uses.
my battery often is charging and it hits 93% and immediately jumps right to 100%. it skips the last 7% or so. i think what is happening is you just finally experienced this issue, which many of us have already posted about in battery threads, but it just happens to coincide with froyo so you are thinking its new and related. the nexus ever once in a while battery meter just gets thrown off and will jump up to 100% because it really was full, just had to catch up the meter. you really should pay attention to the voltage more than percentage, using battery life widget. i know my battery is fully charged at 4.172 volts. and sometimes it hits that but still only shows 94%, so it adjusts itself in one fell swoop.
The issue is I did an extra full charge about an hour ago so I can make it till midnight and it went through all the numbers from 89-100 with no issue
Sent from my Nexus One using XDA App
Addendum: Also it seems to be voltage is not that good of a decider of how much my charge is. Before Froyo, until I dropped below 94% I was always above 4 Volts, now I drop below 4 Volts at 96%.
So this morning I was able to replicate the problem, only it was outside of the car dock, I was able to get this problem to reoccur with the wall charger. I unplugged it from power, used it a little bit and then topped it off for the day, it was at 96%. I saw the green light go on, and thought nothing of it, 20 minutes later I went back to it and it was still at 96% and showed that the battery was fully charged.
I checked the Battery Left widget and it was saying the battery was fully charged even though it said 96% left also. I did make a crappy video uploaded to youtube from my backflip to show as well what I am talking about.
AFAIK, The green LED will light when you're anywhere above 90%. It's not a function of charge being complete. Check it.
Also, if you plugged it in with 96% - this is the behavior to be expected, since the phone won't start charging unless it has below 90% to begin with, and it'll show "Charged" - because it's not charging (to prevent overcharge).
Again, fail to see any problem in what you're describing.
Jack_R1 said:
AFAIK, The green LED will light when you're anywhere above 90%. It's not a function of charge being complete. Check it.
Also, if you plugged it in with 96% - this is the behavior to be expected, since the phone won't start charging unless it has below 90% to begin with, and it'll show "Charged" - because it's not charging (to prevent overcharge).
Again, fail to see any problem in what you're describing.
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Yet my phone has always been able to charge when above 90% before froyo. This behavior is new to froyo for me at least.
Sent from my Nexus One using XDA App
It means that you've never paid attention to that until now. It's working this way since the phone was out (with stock Eclair) and if I'm not mistaken - it's not controlled by OS at all.
I did pay attention to such actually because of the fact that I had been getting piss poor battery life. This has never happened before. In the morning I would use the device a little then top it off because I noticed that works give better battery life.
Sent from my Nexus One using XDA App
Well, you had a buggy phone that has now corrected itself. Welcome to the way it was supposed to work from the beginning.
Topping off the battery at 90%+ contributes to battery degradation - heating from overcharging. So you were actually damaging your battery.
So I was running cognition 2.4.1 for a long time, and my battery life was awesome. It would barely go down at all if I didn't use it, and would make it through the day with about half to spare. On normal days I unplug at 630am and at 5pm it would be at ~70% (if i didn't really use it at all). Even if I did use it it would still last a long time.
I finally decided to flash a new/different rom and thats where my problems started. I flashed Assonance 5.0 and the battery life got worse (at 5pm i was at about 45%) so i just assumed it was the rom and that cognition was better on battery life. So my next flash was back to cognition (a newer version, b7 i think), which improved battery life, but it was barely noticeable, and was no where near what it used to be. Next I tried pheonix v1.5 and that was probably the worst yet, as my phone almost died by 5 oclock.
Finally I decided I would go back to cog 2.4.1 even though it was outdated. I figured this would solve all my problems. I was wrong as my battery life is absolutely terrible right now. At one point yesterday it drained 12 percent in 30 mins.
Something else also happened yesterday. As it was almost going to die i plugged it into my car charger for about 10 mins. It was at 15% when i put it on and 19 when i took it off. After that my battery life was almost normal again as it only drained 4 percent over the next 3 hours. Later on that night I charged it back up to 50 percent and about 10 mins after taking it off the charger it said it was at 5 percent. It stayed at 5 percent for the rest of the night and did not die ( about 4 hours).
Theres definitely a problem and I know it was to do with the battery reading. I think i just need to reset the battery stats.
FYI every time i flash a new rom i always flash back to stock jf6, make sure its 100% battery, wipe data and cache, etc etc etc. so im not sure why this is happening.
I also tried wiping stats through clockworkmod recovery, but i dont think it really does anything.
The proper way to wipe battery stats/recalibrate your battery:
Charge up to 100% with the phone on. Disconnect the charger and turn the phone off. Connect the charger; you're now in charge mode. Charge up to 100%, disconnect the charger and turn on the phone. As soon as the phone is on, turn it off. Connect the charger to put it into charge mode again, and charge up to 100% again. Some people also say that before starting this process it's a good idea to kill the battery completely.
That is how you bump charge, or recalibrate the battery. After bump charging is the best time to wipe battery stats.
I can't find batterystats.bin on the phone to delete it. Is the only way via terminal mode or Clockwork?
Speedmod K13C and Serendipity 5.12 on my i896
So, whenever I wake up in the morning, my battery is at 94%. Occasionally it might be a little lower, but mostly low 90's. So last night I turned the phone off and left it plugged in for 12 hours and the phone read 100% in charge mode (for lack of a better term). When I booted into Android, it says the phone was charging at 94%, but the battery icon in the top left said the phone was charged, and when I unplugged the cable, I only managed 94% on my battery.
I tried plugging the phone back in for 30 minutes, then wiping the battery stats, but this did no good either.
Any suggestions?
This is a known issue. Mine only goes to 98% after unplugging. As long as you can make it through the day don't worry about it! There really isn't a"fix"for it.
Sent from my Captivate with Serendipity 5.12 via XDA App
Run your battery dead, charge it up all the way to 100% with it ON, I guarantee it will go no lower than 96% when you unplug(whether u wipe battery stats or not)
Sent from my SAMSUNG-SGH-I897
its a feature of Lion battery used in our phones actually...
but this can also happen if u flash ur rom without battery fully charged...not a bug...at all
My battery never charges above ~76% when plugged in. After rebooting however, it is very much at 100% and lasts for a good amount of time. This is not necessarily a question, but I wonder if others are experiencing this too and if there is a fix? Read below.
I noticed that my battery life got very bad after installing custom roms. I also found out that this happened because I sometimes kept the phone plugged in while flashing, something that totally screws up the battery reading. So, I followed this guide to calibrate my battery and it worked.
Now, whenever the phone is plugged in it NEVER goes to 100% when charging. Maybe 80% if leaving it for a while (10 hours overnight). I'm worried about frying the battery. Is there a fix?
It is only a matter of presentation. It actually doesn't mean your batt is broken. Plug it and charge it overnight. Then discharge only for few percent and plug it back in. It should go to 100%.
Sent from my HTC Legend
Thanks, I'll give it a try.
What I'm concerned about is if the phone "thinks" the battery isn't recharged and keeps squeezing juice into it when in fact it is full (which a reboot will show)? That's not good for the battery. It should go into trickle charge after reaching 100%..
The process described in the desire forum is also known as formatting the battery. In fact most of battery manufacturers (lithium battery manufacturers) recommend doing this in a slightly different way:
Before first use:
1.) Before powering the device on, plug it in and let it charge until the LED is green (fully charged)
2.) Then take the battery out of the device and wait an hour (to make sure all the chemical processes in the battery are as idle as possible)
3.) Then plug it back in, while still off and let it charge untill green LED
4.) use the device....
You can practice this slightly modified with first step being:
Discharge the battery (by normal use)until only few percent are left (1 - 5 % are OK)
I've done these steps with my Mugen extended battery and I was getting around 4 - 5 days on Legend, now I'm getting 2 - 3 days on Desire S, but the ROM isn't very optimized yet, I believe it will be better in time...
Just one thing... Why is this in Development!?
No Idea.....
can mods move this?
BlaY0 said:
It is only a matter of presentation. It actually doesn't mean your batt is broken. Plug it and charge it overnight. Then discharge only for few percent and plug it back in. It should go to 100%.
Sent from my HTC Legend
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sz1a did this solve your problem? Have the same problem with every firmware i've tried....
peddalion said:
sz1a did this solve your problem? Have the same problem with every firmware i've tried....
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Definitely did not solve it but at least the battery performance is ok. It just stays at 78% for a few hours drops from there. Very weird but as long as the battery doesn't get broken I guess it's ok.
Do you have some 3rd party battery installed in your Legend? I have one 1,5 Ah in mine and it is acting the same way. It doesn't bother me too much coz it was cheap... it lasts 48 hrs with data always on and moderate usage. I noticed this that when I charge it overnight and it reaches 80%, unplugging it stays at 80% for several hrs and just after it starts dropping if I plug it again, meter reaches 100%. It's weird but as I said I can live with that
I've got exactly the same issue with stock 2.2 ROM. I've never rooted or CM my phone; I was wondering if CM would do it, but doesn't look like it.
android forums /htc-legend/265545-battery-doesnt-fully-charge.html
(sorry, I can't post links; maybe an admin can fix the link for me?
This seems to indicate it's a phone hardware fault and requires a new Legend to fix! My big worry is, as stated, that the charging light never goes green; therefore is pumping lots of power into a potentially full battery.
So I've never had a problem with my battery at all. I easily got 6h of screen on time and everything was great.
Recently my Nook started to randomly shut off at around 20-30 %. It "popped" and it was off. Didn't reboot either. Like the battery was dead.
I would have to charge it again to be able to power it on.
Also the stats seemed to be off. The lockscreen sometimes told me it's fully charged and whenever I unplugged my Nook it wasn't fully charged. The battery LED also sometimes flashes green/red during charging.
I only get around 2-3 h of SOT at the moment.
I tried reflashing a couple of times (with full wipes) but the problem occured again.
So my question is: Are my battery stats messed up? Does it just stop charging at a certain point because it thinks it's fully charged but it isn't in reality?
Any ideas (on how to fix this)?
JanSpatschek said:
So I've never had a problem with my battery at all. I easily got 6h of screen on time and everything was great.
Recently my Nook started to randomly shut off at around 20-30 %. It "popped" and it was off. Didn't reboot either. Like the battery was dead.
I would have to charge it again to be able to power it on.
Also the stats seemed to be off. The lockscreen sometimes told me it's fully charged and whenever I unplugged my Nook it wasn't fully charged. The battery LED also sometimes flashes green/red during charging.
I only get around 2-3 h of SOT at the moment.
I tried reflashing a couple of times (with full wipes) but the problem occured again.
So my question is: Are my battery stats messed up? Does it just stop charging at a certain point because it thinks it's fully charged but it isn't in reality?
Any ideas (on how to fix this)?
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Click to collapse
It's almost sure that you battery is degrading very fast. But its my advice to re-calibrate your battery. Set your screen brightness to max setting and leave it on until it shuts down. Now don't power it on. Leave it charging for around 2 and half hour.
Now install geekbench benchmark app and test your battery.
If you heard a pop noise, the battery probably delaminated/micro-exploded. (Li-Ion's tend to swell and fail from the heat of (over)charging.)
There's a company, newpower99.com, who has a YouTube video on replacing the battery in the HD+. The battery sold for $25 US last year, but now that our batteries are beginning to degrade, they're out of stock.
I found another site selling replacement batteries for $80. (portatronics.com)
I've noticed that my screen-on time has dropped from 6 hous to 5.5. Maybe the Nokia N1 will be available and rooted by the time I hit 3 hours.
JanSpatschek said:
So I've never had a problem with my battery at all. I easily got 6h of screen on time and everything was great.
Recently my Nook started to randomly shut off at around 20-30 %. It "popped" and it was off. Didn't reboot either. Like the battery was dead.
I would have to charge it again to be able to power it on.
Also the stats seemed to be off. The lockscreen sometimes told me it's fully charged and whenever I unplugged my Nook it wasn't fully charged. The battery LED also sometimes flashes green/red during charging.
I only get around 2-3 h of SOT at the moment.
I tried reflashing a couple of times (with full wipes) but the problem occured again.
So my question is: Are my battery stats messed up? Does it just stop charging at a certain point because it thinks it's fully charged but it isn't in reality?
Any ideas (on how to fix this)?
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Click to collapse
I'm having the same issues, and reading this reminded me of trying BatteryCalibration to reset the battery since my nook HD+ stock OS is rooted.
I had this problem several times before I installed CM. Usually, it happened when there was an update available, and when the Nook started to update, it factory reset itself.
Sent from my *unrooted* ZTE Zinger using the Tapatalk app.