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Have you guys noticed any issue with the charging speed of this phone?
Last night when I went to sleep, 8PM (i know early), the battery was at 9 or 10 percent. I plugged it into the charger and all that. So this morning I go to remove the charger to check e-mail and what have you. 94%.... Come on, its 4:30 AM so that is eight and a half hours and not 100%?
Is this in the experience of anyone else? (Also do not let stock battery meter fool you, it doesn't show accurate measurement of the battery.) If not, what are you guys doing? Or is there anything I can do?
Honestly, 8 hours to charge your phone does not seem right. Something is wrong with your battery. The vibrant does take a long time to fully charge, but never 8+ hours. It usually takes mine a good 3-4 hours when my battery is dead.
I highly recommend download the application juice defender. Research and learn how to use it. It will save you tons of battery.
I'm currently on my 38th hour since the last time I unplugged my phone and I still have 8% battery. Btw, I've been using my phone for phone calls, texting, and playing games.
First of all thanks for the JuiceDefender tip, that looks very promising.
But do you turn your phone off at night to charge? Because I just turned my phone off like 20-25 minutes ago and it popped it all the way to 100% just as I was typing this response.
Any other suggestions, tips, or concerns from anyone, please share.
zaduma said:
First of all thanks for the JuiceDefender tip, that looks very promising.
But do you turn your phone off at night to charge? Because I just turned my phone off like 20-25 minutes ago and it popped it all the way to 100% just as I was typing this response.
Any other suggestions, tips, or concerns from anyone, please share.
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Click to collapse
No, I leave my phone on. Usually with Wifi too.
Also, I have a simple wallpaper that is mainly black (it has some blue designs, but the wallpaper is mostly black). Having a black wallpaper saves battery as well because the color black consumes the least of amount of energy from our screens.
Well my homescreen is pretty black. Black mesh background, black icons (bettercut). Black bar mod. Just got done configuring juicedefender, even bought the pro version. Figure if it doesn't work out I can simply return within 24h. And, I will know within 24 if it is helping the draining.
Leaving Wifi/Bluetooth/etc on will suck your battery down. Turn it on only when you need it. This is true of all smart phones.
My Vibrant will charge to full in a couple of hours from dead. I get 10+ hours on a charge even with heavy use but I almost never use Wifi or BT so YMMV. I definitely get better battery life from the Vibrant than the old G1.
Curious if you could pay attention some time when your awake... my phone rarely charges past 98%. Wondering if your phone is charging up to 94% quickly, and then hovering or if it's actually taking 8 hours to get to that point?
Maybe you should get a replacement.
I can plug my phone in around 10pm and at 6am my battery sometimes says 98-99%, but normally is good to go shortly afterwards. I do turn my phone off at night and those that need me do have my home number too unless I'm traveling.
As well I normal usage is 6am-10pm or so and I have typically 40-60% left on the battery depending on the usage. Yes I do check the About Phone and not relying on the wacked out battery meter.
I don't leave wifi, gps or 3g on all the time simply because I don't need them. Id rather squeeze the battery than have something on that isn't being used anyways. Having that quick settings drop down in the Notification bar rocks.
I have the same issue. It always takes about 4.5 -6 hours to 'fully' charge my Vibrant from <10% regardless of whether the phone is on or off. Then after unplugging the charger, the battery info states that the battery is charged to 96%. My belief is that there are firmware issues with at least some TMO Vibrant phones. I'm also dubious of the USB charger. I've ordered a regular charger and I'll see if my suspicion surrounding the USB charging system is founded. Maybe...
zaduma said:
Have you guys noticed any issue with the charging speed of this phone?
Last night when I went to sleep, 8PM (i know early), the battery was at 9 or 10 percent. I plugged it into the charger and all that. So this morning I go to remove the charger to check e-mail and what have you. 94%.... Come on, its 4:30 AM so that is eight and a half hours and not 100%?
Is this in the experience of anyone else? (Also do not let stock battery meter fool you, it doesn't show accurate measurement of the battery.) If not, what are you guys doing? Or is there anything I can do?
Click to expand...
Click to collapse
Mine takes about 3 hours to charge but I normally get about 13 hours a day on it with normal to serious use. I haven't had a problem with battery life since I purchased it but I have been trying new battery saving techniques to see how long I could make it last.
Currently using a mostly black background. Wifi only when I'm in the house. Brightness all the way up. Synching two email accounts and Facebook all day. Definitely getting the most out of the battery that I could expect.
Sent from my awesome Vibrant using XDA App
zaduma said:
(Also do not let stock battery meter fool you, it doesn't show accurate measurement of the battery.) If not, what are you guys doing? Or is there anything I can do?
Click to expand...
Click to collapse
Well mine takes a while but not that long. I'm going to try out the juiceDefender that was mentioned but the other thing I would recommend is the accurate battery mods that can be found in the Themes and apps section. You can flash with clock work and it's a great way to know what your battery is actually at so you can see how much you're using for various things.
Make sure your charger or USB port has high current output. There are some out there with only a few hundred milliamps. The phone will take nearly one amp and should charge in a few hours.
Excellent point. For me, I'm using the supplied Samsung USB to 110v adapter and I'm getting 4.5-6 hour charge times.
dattaway said:
Make sure your charger or USB port has high current output. There are some out there with only a few hundred milliamps. The phone will take nearly one amp and should charge in a few hours.
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Click to collapse
rjscott2005 said:
Excellent point. For me, I'm using the supplied Samsung USB to 110v adapter and I'm getting 4.5-6 hour charge times.
Click to expand...
Click to collapse
Also the USB cable is important too. 1 amp over a long, skinny 5 volt cable can drop the voltage. If the charging chip sees a lower voltage, it will think the USB port is at capacity.
I love this phone but I must be honest.. this phone is worst as the Motorola cliq battery wise. it's terrible. I had 100 percent battery life at 8am and at 10:50am I had 23 percent battery left............ no matter what I was doing.. even if I had the screen on full blast *i had it on the lowest* it still shouldn't be almost dead in 3 hours .... smh!
stepinmyworld said:
I love this phone but I must be honest.. this phone is worst as the Motorola cliq battery wise. it's terrible. I had 100 percent battery life at 8am and at 10:50am I had 23 percent battery left............ no matter what I was doing.. even if I had the screen on full blast *i had it on the lowest* it still shouldn't be almost dead in 3 hours .... smh!
Click to expand...
Click to collapse
One poorly written application running in the background could be causing the CPU to wake up constantly. Yet I can talk for hours and the battery will still be nearly full.
I know for sure one of the latest versions of Facebook ate batteries like crazy. I ended up installing an older version and my battery life returned.
Update on the issue. I was using juice defender but it wasn't doing anything for me as far as I could tell. I have since turned off vibrate on touch, and noises coming on during clicking. I am using a usb hub with two vibrants on it. I'll plug it into the wall tonight and see how that goes.
I have been turning off my wifi when not using it. A little better I suppose. While typing this I went from 49 to 46 percent and I am a fast typer. No wifi bluetooth gps.
Sent from my Rooted Lag Fixed Samsung Vibrant using XDA App
Yes the battery drains pretty fast, and it does take about 3 hours to charge... my main problem is... at night when I plug in to charge, couple hours later I get woken up by a beep and popup window telling me charging is done and to unplug...
anyone know how to turn that off?
When my phone is fully charged or has 70 or 60% remaining battery it seems to drain as normal, around 2-5% over a 10 hour or so period...
However, I've noticed once the battery decreases below 50% it drains FAST, why?
Anyone else noticed this? Test it for yourselves, monitor the TIME it takes to decrease from 100 to 50% and then from 50% to 0.
Yesterday I forgot my phone in the car whilst going to work. It was turned on however it was sitting all day in the car.
Once I returned from work I was shocked to find the phone would not turn on.
At first I thought there was a problem or some kind of fault. Once I plugged in the charger it started to charge, the battery cut and the phone automatically turned off!
I remember the phone had around 48% battery remaining, no wifi or 3g or data turned on. It was simply idling...
So the question is HOW can the battery drain from 48% to 0% over a 10 hour period without being used???
Should my battery of been ANYTHING over 50% it would only lose a few percent...
Same thing for me. (Samsung Galaxy Note N7000 - stock Android 2.3.6)
Battery slowly decreases from 100% to ~50% and then ~2x faster.
I charged the note on my computer and then switched to the charger (at ~60% of charge).
I'm no expert of battery charging etc. but just remembered my iPhone 3GS discharging faster when charged on the computer than with the charger.
If it's the same for the note, some cells could discharge faster because charged on the computer.
Can someone confirm this (or not) ?
How did you charge your phone ?
boubou2k said:
Same thing for me. (Samsung Galaxy Note N7000 - stock Android 2.3.6)
Battery slowly decreases from 100% to ~50% and then ~2x faster.
I charged the note on my computer and then switched to the charger (at ~60% of charge).
I'm no expert of battery charging etc. but just remembered my iPhone 3GS discharging faster when charged on the computer than with the charger.
If it's the same for the note, some cells could discharge faster because charged on the computer.
Can someone confirm this (or not) ?
How did you charge your phone ?
Click to expand...
Click to collapse
Same thing happnd with me, and charging my phone thru electric charger..
So it seems this behaviour happens to several other Note users, why?
It's a problem knowing that having around 50% left in your battery will struggle to make it through the day with little to no use...
Have you people set the wifi to turn of while the screen is off? This is unnoticeable in the daily use, but increase the batterytime massively. The setting for this is hidden, you have to push menubutton while in the wifi-settings.
Here I thought I was only imagining things about the battery life dropping faster once it has reached 49% or less.
EarlZ said:
Here I thought I was only imagining things about the battery life dropping faster once it has reached 49% or less.
Click to expand...
Click to collapse
Haha, nice to know I'm not the ONLY one facing this bug...
I can only hope Ice Cream Sandwich solves this battery drain issue.
Hmm, i think i have the same problem, but i'm not sure. Will get back to this thread when i've investigated a little bit.
This may be a typical samsung issue.
I remember when i had the spica , the battery percentage lining in kernel was totally wrong. I think its done on purpose so you would feel like you have more battery life. 75 % of the battery drains slow. And the rest 25 super fast. Can be fixed within kernel.
Sent from my LG-P990 using Tapatalk
I believe its just a placebo effect. Battery usage always depends on so many factors its a pain to even consider starting looking for the issue.
Being on stock KK5 not rooted, i cannot report the same. I only see "fast battery drain" at the last 4-5%. If you feel its an issue, could you post the firmware version you are on and the battery stats graph just for reference?
Placebo or not its something I can definitely feel on my Galaxy Note.
EarlZ said:
Placebo or not its something I can definitely feel on my Galaxy Note.
Click to expand...
Click to collapse
When you get the chance, could you post the battery stats graph please? what we should see is a (lets say) 30 degrees angle and at about halfway it gets steeper.
I know its quite hard to demonstrate the issue, but if you lets say use wifi to browse the first 50% in text only sites and then visit youtube for the last 50%, it won't help the test.
A nice way to test it would be to charge it to 100%, then load up a long movie and repeat playing it till the battery is 2-3%. Then post the results.
roxxy said:
Have you people set the wifi to turn of while the screen is off? This is unnoticeable in the daily use, but increase the batterytime massively. The setting for this is hidden, you have to push menubutton while in the wifi-settings.
Click to expand...
Click to collapse
When the Wifi is disconnected, the 3G scanning will get on. Isn't that defeating the purpose?
Sent from my GT-N7000 using Tapatalk
Hey there!
I would suggest to load the battery 100%, plug it out, go into recovery and wipe battery stats.
I have to admit that I don´t know exactly what this workaround does, but I read about it in another forum...and it worked for me, my battery status is much more accurate now!
JulyDerek said:
When the Wifi is disconnected, the 3G scanning will get on. Isn't that defeating the purpose?
Sent from my GT-N7000 using Tapatalk
Click to expand...
Click to collapse
Wifi will continue to scan for wlans near it every second or so
Sent from my GT-N7000 using Tapatalk
I'm back. I've had the Diagnosis app running for the past hour, and i got some interesting results.
---Wiping battery stats does not help---, a full charge automatically causes battery stats reset.
I full charged mine with the electric charger after fully discharging it without turning it on.
This time i didn't notice any change in discharge speed between 100%-50% and 50%-0%.
Last time I charged the phone it was not fully discharged. Charged it from 30% to 50% then 50% to 75% on the computer, and 75% to 100% using electric charger.
It's just a supposition, but maybe doing several partial charges while using the phone makes the battery % information inaccurate (wrong battery stats?).
[Edit]In this case, wiping battery stats should show accurate battery %. [/Edit]
I had a similar problem, and I think it is to do with some incorrect scaling or measurement.
I was down to 28%, and it seemed to be draining fast even though I was not using it. I rebooted (I love how quick that is after my Arc was so slow). On restart it was at 17% ! The usage graph just did an instant drop.
I also had another occasion where it remained at 100% for 2 1/5 hours of use.
I assume some calibration issues caused the meter to read the battery wrong. I am turning off on the w/e overnight (when I do not need the alarm) to see if a slow (180 mA) charge while off will help. I may even get a decent alarm clock so I can turn the phone off at nights and charge. I spend too much time in the morning checking my email and reading news!
What is more consistent on mine is that when the battery drops to 9% or less the loss is like 1% per ~10-15% and this is with wifi/3g off, phone locked.
I'm back again. I've had some serious battery drain the last couple of days, but i noticed that Auto Sync was enabled. Once i deactivated it it got much better. Pulled the phone from the charger 9 hours ago and i'm at 90% battery left. I've sent some SMS, a few calls and that's about it, but it doesn't drain while it's in standby now, so i'm happy with it.
I checked my battery monitor widget today am noticed something very strange. It showed me 40% charged when I was sure it was only 35% charged before I went bed! WTF did it charge itself? As you can see from the screenshots the phone was not on charge and was awake for most of the night which has never happened before. I have not installed any new apps in the last few days I have never seen this before on any of my android phones over the years. After 1 month of using the note this is the first glitch i've noticed (if it is a glitch). I am on stock LA4.
Anyone have any ideas as to why this happened?
I'm not complaining ( wish it happened every night!) just curious.
I have noticed the same strange thing with ICS.
did you try pinching your arm?
/Jeriz
It is probably/maybe your battery stats that was not exactly "right" and might "recalibrate" your battery stats to the true value.
The simplest answer is always the true one: It is having trouble reading your battery right. Happens with mine too sometimes.
LOL I had the same thing happened to me.
First day with my note. And so far I am loving it.(despite colour rendering issues , and a very lagging stock keyboard)
Sent from my GT-N7000 using xda premium
Maybe the phones are evolving and learning to use the sensor on the Front to charge itself lol
Sent from my Galaxy Note
This has happened to me several times already since the Galaxy S days.. sometimes after a reboot the battery looses 50% and slowly charges back up its quite funny and strange, never happened to my note though.
What do you think happens if some of the services is not needed anymore and stopes relaying,the battery % estimation will go up.
georgios73 said:
I checked my battery monitor widget today am noticed something very strange. It showed me 40% charged when I was sure it was only 35% charged before I went bed! WTF did it charge itself? As you can see from the screenshots the phone was not on charge and was awake for most of the night which has never happened before. I have not installed any new apps in the last few days I have never seen this before on any of my android phones over the years. After 1 month of using the note this is the first glitch i've noticed (if it is a glitch). I am on stock LA4.
Anyone have any ideas as to why this happened?
I'm not complaining ( wish it happened every night!) just curious.
Click to expand...
Click to collapse
Mine charged itself too.
Went from 30% to 50% when I was out.
I thought it has some solar panel hidden beneath.
hagba said:
What do you think happens if some of the services is not needed anymore and stopes relaying,the battery % estimation will go up.
Click to expand...
Click to collapse
Wtf are you talking about? That's not any kind of estimate of lifetime, that's a report on amount of energy left. And in this case, specifically, a bug in it's reading.
Livewings said:
Mine charged itself too.
Went from 30% to 50% when I was out.
I thought it has some solar panel hidden beneath.
Click to expand...
Click to collapse
That one a good idea. Smartphone company should consider to put it in every phone in future..lol
Sent from my GT-N7000 using XDA App
When I saw this thread, I immediately opened my battery stats only to see this:
lulz
Viamonte said:
Wtf are you talking about? That's not any kind of estimate of lifetime, that's a report on amount of energy left. And in this case, specifically, a bug in it's reading.
Click to expand...
Click to collapse
You need to review your facts make a bit more research, the report is based on the fact that how many apps and services are you using,say if the wifi is on, it will show you certain %, however if you turn it off will report you that it has increased, depending on the running apps and services how much battery is left, my laptop does it all the time,unless you are living in pre Smart Battery Meter era.
I have to agree that if the % relies on the voltage (as I am sure it must do to some extent, but I am only guessing), stopping heavy services will allow the voltage to increase and the app may see that as a gain.
Alternatively we have discovered Samsung's secret OTA charging method! This explains why some phones have terrible battery life, they are being sucked dry by nearby 'Vampire Notes'!
Now, if we could just work out how we could charge all Notes by sucking iPhones dry ....
turshija said:
When I saw this thread, I immediately opened my battery stats only to see this:
lulz
Click to expand...
Click to collapse
Mega wtf. :O
Sent from my GT-N7000 using xda premium
Battery is trolling
The Galaxy Note battery is a three terminals battery. So I think that the % state of charge of this battery is directly calculated from its output voltage.
The voltage decrease as the charge decrease, so it is possible to evaluate the residual charge in the battery.This is not a very precise method but it is quite simple to implement.
After a high current drain there is what is called a ''voltage recovery'', the battery voltage increase slowly a little bit as the current is stopped. So you may think that the battery get back energy, but unfortunately it is only an artifact.
Yesterday I showed you all how my battery indicated that it had charged itself.
So guess what folks today when I checked the complete opposite happened!!
Again as you can see it went from 48% just before I went to sleep only to wake up to a dead phone (switched off). Upon rebooting it showed only 9% !!
Now I can cope with it going up but going down is not good.
Hope its not a hardware problem and just a faulty battery.
lets see what happens tomorrow maybe it will explode!
I'm an EE (election engineering) student. Michel_7 is right. Lithium ion batteries experience a voltage sag during high current draws. Afterwards there is some rebound, both as the battery cools if over temp, and with a period of lower activity. This is in part due to the fact that batteries have internal resistance, and as they supply power, they also dissipate some internally. This is of squared proportion to the current drawn. IE current^2 * resistance. Battery resistance constant, so the more power the phone uses, the more the battery does. This is what heats up the battery.
Sent from my GT-N7000 using xda premium
Ok so I can't figure this out. My battery is kind of "retarded" for lack of a better word.
I can charge it up to 100%, reset battery stats (even if I don't the same will happen)... then let it drain. It will drain insanely fast... I mean from 100 to dead in maybe an hour sometimes...
Then I go ahead and plug it into the charger... for just 15 seconds... when I take it off the charger and turn it back on it'll have another 50% battery life, sometimes more sometimes less....
It's almost as if the battery isn't reading correctly and then the phone can't detect how much battery is left so won't let me turn it on unless I plug it in really quick...
Tried another battery and that one does the same thing.... What in gods name could be going on...
and yes.. I searched... before I hear the hit the search 2000x times.
Here is the instructions from the ExROM thread, they worked perfect for me:
Code:
--> For battery life: I think that you have to calibrate your battery.
- Run the device down until it turns itself off.
- Turn it back on and wait for it to turn itself off again.
- Remove the battery for 10 seconds.
- Replace the battery, but leave the device off.
- Charge the device until full and then for another hour.
- Enter recovery and go to advanced -> wipe battery status. Apply it.
- Run the device’s battery down until it turns itself off.
- Turn the device on and charge for at least 8 hours.
- Unplug the device, turn off, then charge for another hour.
- Unplug the device, turn on, wait 2 minutes.
- Turn off again and charge for another hour.
- Restart and use as normal.
I shall try those but who knows...
I've literally been turning the phone on, it dies the minute it hits the lock screen. Plug it in now for just 3 seconds until it says VIBRANT, it will load up shut down.. have down this about 30 times...
I'm lost on how the phone has enough juice to boot and shi*.... it's driving me nuts doing this over and over and over.. oh wait just turned on again and it's at 5%. This is stupid....
lol i will post back after I try these instructions I guess....
You MUST calibrate your battery every time you see a weird behaviour or install a new kernel. You wrote that you tried another battery, so we can exclude a premature death of the battery.
are you able to get into RECOVERY mode and stay there without it rebooting? Or even Download mode?
yo i dont understand.. didnt a google employee go out and make a public statement that batterystats.bin has NOTHING to do with battery calibration, its only used to keep the data from the settings>battery use graph throughout reboots? In the same statement, i think i remember she told aandroid users NOT to let their batteries die and charge em full cause that will damage the batt.
Sent from a cell tower to the XDA server to you.
I made a nice detailed post about this a while back, it took a google employee for people here to believe.
https://en.wikipedia.org/wiki/Memory_effect
(Keep in mind, this applies to NiCad... but the effects are the same)
Bad news bro, your battery is bad. If you full discharge/recharge all the time, it will just hasten its death. Deep cycle charging when the battery is that far gone doesn't really have the same effect.
Try coaxing it back to life by recharging it to 100% then hitting the charger again at 75% a few times. This will increase the capacitance of the battery if there is hope of life. If it doesn't improve, its life is almost over.
younix258 said:
yo i dont understand.. didnt a google employee go out and make a public statement that batterystats.bin has NOTHING to do with battery calibration, its only used to keep the data from the settings>battery use graph throughout reboots? In the same statement, i think i remember she told aandroid users NOT to let their batteries die and charge em full cause that will damage the batt.
Sent from a cell tower to the XDA server to you.
Click to expand...
Click to collapse
Correct. According to her Calibrating does pretty much nothing except make you THINK your battery is better/worse/same.
Haxel said:
I made a nice detailed post about this a while back, it took a google employee for people here to believe.
https://en.wikipedia.org/wiki/Memory_effect
(Keep in mind, this applies to NiCad... but the effects are the same)
Bad news bro, your battery is bad. If you full discharge/recharge all the time, it will just hasten its death. Deep cycle charging when the battery is that far gone doesn't really have the same effect.
Try coaxing it back to life by recharging it to 100% then hitting the charger again at 75% a few times. This will increase the capacitance of the battery if there is hope of life. If it doesn't improve, its life is almost over.
Click to expand...
Click to collapse
thanks for the interesting read, i love reading things that the mind thinks as something for a weird reason.. Placebo effect etc.
Putting your battery down to an absolute 0% will do nothing but hurt your battery. This would have worked if we were still in the 80s and 90s, but these are Li-on batteries, they work differently and it actually hurts them.
Ok so I have RESTORED the battery...
Here is what was going on after further looking. I downloaded a battery stat/drain program to see what exactly was going on...
Under a load the battery mV will change drastically, then once it settles down the mV will actually rise making the % rise...
So I completely killed the battery, I mean dead.. Restarted the phone, plug it in for just a second.. I took it to the point that I killed the SOB battery.
I then charged it up, and while charging I would use the battery drain program. the mV would change drastically and I did this every 10%.
So far so good, the phone has been on for 4 hours now and i've only drained 8%... I will see how it continues.
I've also been resetting my battery stats not because I believe it relates the phone to the actual battery % but the % would fluctuate on the phone, and I thought the phone was saying "batterys dead don't turn on" kind of thing...
Ok. Again.
Here is a more in-detail article with a quick google.
http://www.atomicmods.com/Categories/QandA-Batteries.aspx
How long will these batteries last?
Lithium-based batteries have a lifetime of 2-3 years. The clock starts ticking as soon as the battery comes off the manufacturing line. The capacity loss manifests itself in increased internal resistance caused by oxidation. Eventually, the cell resistance will reach a point where the pack can no longer deliver the stored energy; although the battery may still contain ample charge. Increasing internal resistance is common to cobalt-based lithium-ion. The speed by which lithium-ion ages is governed by storage temperature and state-of-charge. Figure 1 illustrates the capacity loss as a function of these two parameters.
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Click to collapse
Although, there has been arguments for years about Li-ion "memory". Li-ions are not afflicted with the "memory" issues of other chemical types. What they are afflicted with is the inability to hold a consistent current under stress/load with age/oxidation (aging effect of the Li-ion batteries). This is where your battery sits. On the precipice of death. You may get another year or two out of it (if you're lucky.. really more like a few months) with a few correct charging cycles, but that is it.
Bringing a Li-ion to near 0 and back does not help the battery, it is 100% a placebo effect with short term gains at best. A common cause of your particular problem...
Lithium-ion batteries are often exposed to unfavorable temperatures, and these include leaving a cell phone in the hot sun or operating a laptop on the power grid. Elevated temperature and allowing the battery to sit at the maximum charge voltage for expended periods of time explains the shorter than expected battery life. Elevated temperature and excessive overcharge also stresses lead and nickel-based batteries. All batteries must have the ability to relax after charged, even when kept on float or trickle charge.
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Click to collapse
http://batteryuniversity.com/learn/article/how_to_store_batteries
I'm giving random googling as I know it's difficult to believe a random person on the internet. No two type of manufactured batteries are created/engineered the same, but I'm basing my statements of chemical composition and the basic fundamentals of the Li-ion battery tech.
younix258 said:
yo i dont understand.. didnt a google employee go out and make a public statement that batterystats.bin has NOTHING to do with battery calibration, its only used to keep the data from the settings>battery use graph throughout reboots? In the same statement, i think i remember she told aandroid users NOT to let their batteries die and charge em full cause that will damage the batt.
Sent from a cell tower to the XDA server to you.
Click to expand...
Click to collapse
+1
Sent from my SGH-T959 using XDA
Most of these battery calibration techniques sound like a practical joke.
the only way you'll truly get a perfect idea of what your battery life is going to be is to drop the phone in the toilet.
Sent from my SAMSUNG-SGH-T989 using XDA
I work 8 hour shifts and my 6P on Pure Nexus lasts through the shift with ~30% when I get home.
I was listening to music through Bluetooth and when I turned off my headset around 5 hours into my shift, my phone shut off and wouldn't turn on. I was in and out of the freezer, so I thought it was the cold. I got home, turned it on and plugged it in and saw it had 32% left.
An 1h30m of charging and it only charged 7% which is really unusual and is the first time.
I have AccuBattery Pro and it is saying it's going to take 10 more hours to fully charge using fast charge. Android lockscreen says "Charging rapidly. 12 hours until full."
Also in AccuBattery, although my design capacity for the battery is 3450 mah, it normally says estimated capacity is 2200, but is now saying I have over 5000 mah in capacity.
When unplugged, it has a screen on discharge rate of 50-70%/h when the average is 23%/h.
Is the battery dying? I thought it would gradually decrease in capacity and not suddenly change overnight.
When my battery bug hit..it just hit. No warning signs or anything. I was crapping out anywhere from 60%-10% and everywhere in between. I bit the bullet and RMAed for a new battery (they gave me a new screen too for whatever reason) Before i sent it in my Accubattery stats were saying i was at 75% capacity and now ive been at 100% capacity since i got it back and i can happily go from 100%-0% like its supposed to.
Although your situation does sound unique its almost certain you'll need a battery replacement.. or try a new ROM and see if it keeps happening.
Wickidmasshole said:
When my battery bug hit..it just hit. No warning signs or anything. I was crapping out anywhere from 60%-10% and everywhere in between. I bit the bullet and RMAed for a new battery (they gave me a new screen too for whatever reason) Before i sent it in my Accubattery stats were saying i was at 75% capacity and now ive been at 100% capacity since i got it back and i can happily go from 100%-0% like its supposed to.
Although your situation does sound unique its almost certain you'll need a battery replacement.. or try a new ROM and see if it keeps happening.
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Unfortunately, I got my phone from Rogers around November 2015. I don't even know what they can do about it. It's been averaging about 14%/h charging which is about 1/3 the speed. I've been using the same ROM for several weeks with no issues and haven't installed anything new lately other than app updates. I can try upgrading Pure Nexus, but it seems like they have a power menu bug at the moment.
Do you think your charger could be broken?
Wickidmasshole said:
Do you think your charger could be broken?
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My wife has a 6P also. I was trying her charger and it's the same thing. I've rebooted twice. It's still draining at least about twice the normal average when disconnected.
So it's roughly draining at about twice the normal speed without doing anything and charging at a third the normal speed.
I seriously can't afford to replace it. I regret choosing a phone without replaceable batteries and will not do that again, which means no Pixel phones. At least I still have my Galaxy Note 3 which still works.
if i were you id backup the entire phone (or whatever is importannt to you) to my computer and download the J factory image and do a fresh clean flash and pray that it clears out whatever is going on. Sucks to start fresh, but worth a shot
Wickidmasshole said:
if i were you id backup the entire phone (or whatever is importannt to you) to my computer and download the J factory image and do a fresh clean flash and pray that it clears out whatever is going on. Sucks to start fresh, but worth a shot
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I use FolderSync to backup my phone nightly to my NAS server.
The slow charging speed may be due to high cpu temperature. It was hovering around 40° for whatever reason. I set it down on a cold granite window sill and the temperature dropped to 35° and was charging at twice the speed, but still slower (1000mah vs 1550mah from before). I've been holding it for a while and the temperature is again going back up with charge speed slowing. Again, I've never had this happen before.
Thanks again, I'll probably restore the phone and bring it to Rogers later this week to see what they say.