Anyone know where to get an extended battery? Thanks.
I can't even find a place to buy a regular battery for the phone. I'm not sure if I would need one, but it would be nice to have. I'm in the habit of charging it the last hour I am at work so no matter what, I'll never run out of battery even if I go somewhere straight from work, but a spare battery is always a good thing to have.
I have a wild guess as to why not.
I noticed this phone battery has the "near field communication" labeling on the BATTERY. The other phone that I'm aware of having NFC, (the galaxy s2) does NOT have this wording on the battery.
Why did I notice this? I randomly read that there is an SD card manufacturer that is putting NFC chip's into their microSD cards, and even some ipod cases are getting NFC chips built into them as well.
I don't know too much about NFC, but with the labeling being on our battery, and not the S2, I kinda think our NFC chip is actually in the battery, and not the phone itself. If an NFC chip can be put into an SD card or case on a phone that never had NFC to begin with, I don't see why it couldn't be put into a battery, especially since one of the terminals might not even be for power, but just for an NFC connection.
That's my theory, I could be wrong!
you're probably right. This is how it is with the Galaxy Nexus, also built by Samsung. I hadn't noticed the label, but I also wasn't looking for it.
I'd be curious to find out what an "extended battery" for this phone would look like. I'd be all for it so long as it kept NFC and didn't bulge out of the back
I'd be interested to find one. Being on a stock rom and standard battery, my battery drops about 5% in five mins just checking Facebook. GPS drains it another percent per min it is in use. Half way thru the day my battery is dead. It really sucks having to carry around a charger. I'm also using juice defender and other tweaks I know to save battery
I'd bet you a waffle cone your screen brightness is set too high.
Forget most of those "battery defender" apps, especially if they are those stupid task killing applications.....a program being in active memory is not necessarily actually doing anything, which means it is not using your battery, and if it gets killed, if the OS needs it open for any reason, it having to be re-opened will just use cpu cycles anyway
I'd agree with most people that using the automatic brightness option is very annoying, it's really sensitive and it also tends to make the screen not be bright enough. Having said that, using any of the many available brightness widgets can be a very good thing.
The stock one is not so bad, personally I've been enjoying powerful control, http://goo.gl/2vZXl but I've had great battery life and easy readability if I use the brightness setting where it looks like a half moon.
If you're outdoors in the bright sun, you'll need the screen to be as bright as possible if you want to read it, but otherwise it's fine. The screen brightness is always the single biggest battery usage factor.
Personally I've always disabled the haptic feedback as I think it's annoying and I'm sure that using vibrating alerts is also a huge battery drain.
Cirkustanz said:
I'd bet you a waffle cone your screen brightness is set too high.
Forget most of those "battery defender" apps, especially if they are those stupid task killing applications.....a program being in active memory is not necessarily actually doing anything, which means it is not using your battery, and if it gets killed, if the OS needs it open for any reason, it having to be re-opened will just use cpu cycles anyway
I'd agree with most people that using the automatic brightness option is very annoying, it's really sensitive and it also tends to make the screen not be bright enough. Having said that, using any of the many available brightness widgets can be a very good thing.
The stock one is not so bad, personally I've been enjoying powerful control, http://goo.gl/2vZXl but I've had great battery life and easy readability if I use the brightness setting where it looks like a half moon.
If you're outdoors in the bright sun, you'll need the screen to be as bright as possible if you want to read it, but otherwise it's fine. The screen brightness is always the single biggest battery usage factor.
Personally I've always disabled the haptic feedback as I think it's annoying and I'm sure that using vibrating alerts is also a huge battery drain.
Click to expand...
Click to collapse
My screen brightness is at zero without automatic brightness on, and im not using haptic feedback. The phone battery is fine if its just sitting over night, but as soon as I turn on GPS to use maps for 5 mins or to check facebook the battery just drops a % every min. So i guess the phone is fine if Im not using it, but then whats the point?
You're exaggerating.
I've never had a phone battery drop 1% per minute.
Look man, I just spent 5 minutes playing music at max volume, while getting directions to 8 different places in google maps, sent two emails, downloaded a new app from the market, and received one text message.
Battery level after all this? Still at 100%. Does that mean I can do this an unlimited number of times? No, it does not.
Frankly, I don't believe you. I've used this phone, and my previous phone for playing movies at full screen brightness with the audio being played through bluetooth to my stereo headsets. Does it effect the battery status? You bet it does.
Two weeks ago when I last played a snes game on my phone I did so at full screen brightness over bluetooth to a ps3 controller. When I wasn't playing the game I was sending or receiving text messages and had vibrate on. I played super metroid from the very beginning to almost through the end of the game. When I play snes games on my phone I tend to use quick save and quick load and frame skipping very commonly, effectively letting me do things "perfectly" but this is a lot of saving and loading and running the game even faster than how it normally is. I started at 2, and the next thing I knew it was 6:00 and I was supposed to meet a friend for dinner at 6:30.
But for crying out loud you are saying you can drain your battery from 100% to zero in less than 2 hours.
I'm calling shenanigans. I don't think you could even do that intentionally, unless you sat there and forced the phone to vibrate the entire time.
Phone batteries don't last for days like they used to. Batteries have not changed too much in the last few years, but the things phones do, and the screens they do them on certainly has. Stop expecting your phone to last over the entire weekend even when you actually use it.
itsLYNDZ said:
I'd be interested to find one. Being on a stock rom and standard battery, my battery drops about 5% in five mins just checking Facebook. GPS drains it another percent per min it is in use. Half way thru the day my battery is dead. It really sucks having to carry around a charger. I'm also using juice defender and other tweaks I know to save battery
Click to expand...
Click to collapse
Something to keep in mind:
When this phone hits 100%, it STOPS CHARGING. Even plugged in, it will no longer be drawing power into your battery, yet it'll still be running on battery.
If you plug it in when you go to sleep, it finishes charging within 2 hours, then it goes 6 hours idling on battery power but it still says 100% until you disconnect it. Then, while you're using the phone it'll adjust as you use it until it gets to the right level. This is likely what you're seeing.
If I use my phone from the moment it finishes upping to 100%, I get great battery life. I get great battery life in general and have been happy with the phone.
Of course, this might be a totally different issue where you just got a bum battery. But it's something worth considering.
dr4stic said:
Something to keep in mind:
When this phone hits 100%, it STOPS CHARGING. Even plugged in, it will no longer be drawing power into your battery, yet it'll still be running on battery.
Click to expand...
Click to collapse
I don't believe this is true. I hate to constantly be a naysayer in this thread, but this didn't seem logical to me so when my battery went to full, (when the battery is full, unplug charger text showed in the notification bar) I kept it plugged in and set it to play a couple tv episodes on full brightness while I did laundry and made dinner.
Two hours later, I first looked at the battery status while the phone was still plugged in. As expected, it was at 100%.
I unplugged the charger, waited a couple minutes, and checked again.
Still at 100%, which completely makes sense because I've never had a phone that behaved as you've described.
I also would have noticed the battery dying very early, *every single day* because my habit for the last week or so has been to plug the phone in when I go to sleep. I have an app called syncme that pulls files off my computer such as music and video while I'm sleeping, and on average it transfers about 6 gigs of data this way, every single day.
I don't know if you've ever transferred 6 gigs of data on a phone via wifi, but yes, it's not exactly battery power friendly.
My phone's always been 100% battery when I leave for work, just like my last phone was where I also plugged it in at night.
Just saying!
So you guys know.. I have galaxy nexus and the blaze and the batteries are the same so you can order a battery fro the nexus and it will work with the blaze
Sent from my Galaxy Nexus using XDA
radiohead7778580 said:
So you guys know.. I have galaxy nexus and the blaze and the batteries are the same so you can order a battery fro the nexus and it will work with the blaze
Sent from my Galaxy Nexus using XDA
Click to expand...
Click to collapse
Just did an ebay search for Galaxy nexus.. You might need to clarify which model number as there are various Galaxy Nexus batteries listed per Nexus model on ebay...
Galaxy Nexus GSM I9250
Cirkustanz said:
I don't believe this is true. I hate to constantly be a naysayer in this thread, but this didn't seem logical to me so when my battery went to full, (when the battery is full, unplug charger text showed in the notification bar) I kept it plugged in and set it to play a couple tv episodes on full brightness while I did laundry and made dinner.
Click to expand...
Click to collapse
Actually he is pretty close to the way it operates. The way your phone gauges battery life is similar to your car with gas. When the meter reads 100%, it is really more like 98%. When the battery reaches true 100%, the phone will stop charging the battery (but will run off of USB power, not the battery). They do this to account for small variations in the many variables that affect a battery's performance (like temperature). Likewise, your phone will read 0% before the battery is truly completely drained (this is also to protect the battery - they don't like being charged to 100%, nor drained to 0%).
This could also greatly affect your previous test on battery performance. To get a more accurate result, let the phone drain to about 60%, then test the time to drop a percentage point.
What you are talking about is a suggestion that the battery meter doesn't necessarily update it's strength meter all of the time, and you even say that the phone runs off the plugged in power at this point.....
mdneilson said:
Actually he is pretty close to the way it operates. The way your phone gauges battery life is similar to your car with gas. When the meter reads 100%, it is really more like 98%. When the battery reaches true 100%, the phone will stop charging the battery (but will run off of USB power, not the battery). They do this to account for small variations in the many variables that affect a battery's performance (like temperature). Likewise, your phone will read 0% before the battery is truly completely drained (this is also to protect the battery - they don't like being charged to 100%, nor drained to 0%).
This could also greatly affect your previous test on battery performance. To get a more accurate result, let the phone drain to about 60%, then test the time to drop a percentage point.
Click to expand...
Click to collapse
This is what the person said.
When this phone hits 100%, it STOPS CHARGING. Even plugged in, it will no longer be drawing power into your battery, yet it'll still be running on battery.
Click to expand...
Click to collapse
His entire post is incorrect, and has nothing to do with what you are talking about either.
Cirkustanz said:
What you are talking about is a suggestion that the battery meter doesn't necessarily update it's strength meter all of the time, and you even say that the phone runs off the plugged in power at this point.....
This is what the person said.
His entire post is incorrect, and has nothing to do with what you are talking about either.
Click to expand...
Click to collapse
Before you discredit anyones post, you should understand how many battery chargers work, and the importance of them shutting off following a complete charge. Here is a quote regarding Li-ion battery maintenance :
Li-ion cannot absorb overcharge, and when fully charged the charge current must be cut off. A continuous trickle charge would cause plating of metallic lithium, and this could compromise safety. To minimize stress, keep the lithium-ion battery at the 4.20V/cell peak voltage as short a time as possible."
Many chargers have this feature built in to avoid any overheating and/or damage to the cell. I'm not saying this is the case because I have not tested whether the battery charging circuit in this particular phone, or it's charger operate, but I will say that this has been the case in MANY of it predecessors.
That being said, I think an extended battery would be a welcome addition to the options of this phone. Mine too only lasts a day at it's best. Perhaps not 1% a minute...but then again who knows?
Related
My Droid 2 global's battery life is not good,nearly 1 day for each full charge(i used room fission 2.4.3)Is there any way to improve the battery life
If you're getting a whole day out of one charge that's outstanding battery life.
Sent from my Droid 2 Global running Fission Rom
Too sad to hear that exacly i used about 20 hours.How about you?i heard that if use CDMA the battery life will better?
I've heard something of the like, but nothing conclusively. I've heard that underclocking the cpu can help (if you want to root your phone). So can using a rom like Fission, which doesn't have the stock Blur that, although somewhat nice, is a big drain on batteries. This would naturally be a pretty big change though. You can also get the extended battery for <$50 which I heard helps a bunch.
adridge said:
I've heard something of the like, but nothing conclusively. I've heard that underclocking the cpu can help (if you want to root your phone). So can using a rom like Fission, which doesn't have the stock Blur that, although somewhat nice, is a big drain on batteries. This would naturally be a pretty big change though. You can also get the extended battery for <$50 which I heard helps a bunch.
Click to expand...
Click to collapse
Yep,underclocking the cpu and use room Fission make the battery maintain more longer(i'm using gsm not cdma).In my country (VietNam) someone sells Droid's battery for only 10$,i'm thinking to get one
Just got my D2G, I put it on CDMA only and the battery still sucks. It went from 80% to 40% overnight and it was set for night time battery save mode.
eaglewwit said:
Just got my D2G, I put it on CDMA only and the battery still sucks. It went from 80% to 40% overnight and it was set for night time battery save mode.
Click to expand...
Click to collapse
Wow that's strange, I left my phone overnight not charging because it hit 100% before I went to bed, and 10 hrs later it was still at 90%, sitting idle my phone uses nearly no power. However I never used the battery save mode and I only just recently put it in only CDMA mode just to see if that makes life any better.
I've found that the biggest drain on the battery is having mobile data switched on in an area where the phone can't keep a clear lock on 3G and is constantly switching between 1x and 3G.
After switching to Fission, underclocking, keeping gps and wifi off unless I'm using them, turning the brightness down to 10% except when outside in the sun, and managing apps that sync background data, I can use the phone pretty heavily and get a full day (15-18 hours) out of my battery. Considering I put it in the media dock for use as my alarm clock every night, that amount of battery life is perfectly fine.
BTW, I use SetCPU for underclocking. I set the max speed to 1GHz with On Demand scaling. I also have profiles to scale down the speed to 600MHz when the battery gets low or when the screen is off (which helps with the background data stuff). At 600MHz it's still faster than my original Droid, thanks to the doubling of memory in the D2G.
So far Today after 5 hours of moderate use I went from 100 At 50 on the battery. Is this normal?
Update:
Phone on for 7 hours and the battery is down to 30%, something must be wrong, right?
eaglewwit said:
So far Today after 5 hours of moderate use I went from 100 At 50 on the battery. Is this normal?
Update:
Phone on for 7 hours and the battery is down to 30%, something must be wrong, right?
Click to expand...
Click to collapse
Check what's been using the battery. That might help pinpoint what's going on.
eaglewwit said:
So far Today after 5 hours of moderate use I went from 100 At 50 on the battery. Is this normal?
Update:
Phone on for 7 hours and the battery is down to 30%, something must be wrong, right?
Click to expand...
Click to collapse
I wouldn't call it very unusual TBH
900 am to 900pm and battery down to 30% with moderate usage. I hope there is someway to improve this. My iphone during the same time period with about the same usage and at least an hour playing bejewled only droped to 70%
zse45tgb said:
BTW, I use SetCPU for underclocking. I set the max speed to 1GHz with On Demand scaling. I also have profiles to scale down the speed to 600MHz when the battery gets low or when the screen is off (which helps with the background data stuff). At 600MHz it's still faster than my original Droid, thanks to the doubling of memory in the D2G.
Click to expand...
Click to collapse
zse45tgb,
Does SetCPU only require root and SU?? BTW I used SetCPU on my Eris and it was a lifesaver.
Haven't gone the Fission route just yet but loved ROMs on my Eris, such a battery saver. Really hope the dev's can make it happen.
Don't mean to sound like a twit here, but I used to have a huge problem with the battery life... when I was dicking around with it for hours at a time. Try only using it when you need to. Don't sit on facebook/maps/using it for pointless things for extended periods of time. I have found that just using it moderately has had the most dramatic impact on battery life. I can maintain complete functionality of my phone when I need it, and still have at least 50% battery by midnight. If you are using it that heavily, then maybe you should carry a charger around with you? Hope this helps.
Idk how you guys get such terrible batt life. i have mine OVERclocked to 1.35 ghz. i also have profiles to lower that as the batt goes down. I have everything that updates set to update every 30 mins, which is quite frequent. i dont mess with screen brightness, i let it auto adjust. I play games on occasion (SNESoid), facebook frequently, alot of texting and my battery lasts 18-20 hours every day, consistently. When you first got the phone you let it charge for 8 hours right away right? if not...theres your problem, and your battery will probably self destruct in a few months...give or take a few months lol.
Use The Following Settings to Help Maxmize Your Battery Life
I've been using the following settings on the Fission 2.4.3 Rom and I've noticed my battery life has increased at least 6-8 hours longer. I was considering returning my D2G before, but now it is definitely manageable.
Installing the SIM Card HotFix using the Fission Rom Manager
Adjusting my mobile networks to "CDMA / EvDo auto" in "Settings" -> "Wireless Networks" -> "Mobile Networks" -> "Network Mode"
Underclocking my CPU to 1Ghz using SetCpu
If you really want to save some more power combine these settings with Juice Defender. I've noticed a bit of lag here and there while using it, but that's the trade off for longer battery life.
I can confirm zse45tgb post about losing a lot of battery in an areas with poor 3g reception. When I'm at work my battery will drop much faster then when I'm at home where my 3g reception is great.
Props to AngDroid and the rest of Team Defuse.
Hope this helps someone else out there begin to enjoy their D2G.
botnryan said:
Idk how you guys get such terrible batt life. i have mine OVERclocked to 1.35 ghz. i also have profiles to lower that as the batt goes down. I have everything that updates set to update every 30 mins, which is quite frequent. i dont mess with screen brightness, i let it auto adjust. I play games on occasion (SNESoid), facebook frequently, alot of texting and my battery lasts 18-20 hours every day, consistently. When you first got the phone you let it charge for 8 hours right away right? if not...theres your problem, and your battery will probably self destruct in a few months...give or take a few months lol.
Click to expand...
Click to collapse
these are li polymer batterys...not nicad. lol. so they dont need "warming" up the first time... the first charge is the same as the rest. it should be charged in around 90mins tops. a li-pol battery isnt able to accept a trickle charge (would damage it) so leaving it on past 100% is uneccessary and potentially damaging. i wouldnt recommend ever leaving your battery on for 8hrs. as soon as its charged unplug it. if you leave it connected then the charger will switch off, you will then be using the battery, the battery will eventually drop to 90% and then the charger will turn back on. youll be continuously topping the battery from 90 up to 100 and back again. a waste of electricity and im sure it wont do the battery or charger any good.
theres also no need to fully discharge the battery.
a quote from http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries
"Preparing new lithium-ion for use
Unlike nickel and lead-based batteries, a new lithium-ion pack does not need cycling through charging and discharging. Priming will make little difference because the maximum capacity of lithium-ion is available right from the beginning. Neither does a full discharge improve the capacity of a faded pack. However, a full discharge/charge will reset the digital circuit of a 'smart' battery to improve the state-of-charge estimation"
ckfalls said:
zse45tgb,
Does SetCPU only require root and SU??
Click to expand...
Click to collapse
Yes, that's all. You can use it on the stock Moto rom.
anothadave said:
these are li polymer batterys...not nicad. lol. so they dont need "warming" up the first time... the first charge is the same as the rest. it should be charged in around 90mins tops. a li-pol battery isnt able to accept a trickle charge (would damage it) so leaving it on past 100% is uneccessary and potentially damaging. i wouldnt recommend ever leaving your battery on for 8hrs. as soon as its charged unplug it. if you leave it connected then the charger will switch off, you will then be using the battery, the battery will eventually drop to 90% and then the charger will turn back on. youll be continuously topping the battery from 90 up to 100 and back again. a waste of electricity and im sure it wont do the battery or charger any good.
theres also no need to fully discharge the battery.
a quote from http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries
"Preparing new lithium-ion for use
Unlike nickel and lead-based batteries, a new lithium-ion pack does not need cycling through charging and discharging. Priming will make little difference because the maximum capacity of lithium-ion is available right from the beginning. Neither does a full discharge improve the capacity of a faded pack. However, a full discharge/charge will reset the digital circuit of a 'smart' battery to improve the state-of-charge estimation"
Click to expand...
Click to collapse
well thats certainly odd since i bought 2 OEM replacement batteries and used one out of the box til it died without charging it and it now wont hold a charge. Just coincidence that the one i did that to was a lemon?
Extended Battery Comments
adridge said:
You can also get the extended battery for <$50 which I heard helps a bunch.
Click to expand...
Click to collapse
I purchased the BP7X extended battery from a local Verizon store for $37 with corporate discount. It makes a HUGE difference. With corporate e-mail, two POP accounts at 30-minute intervals, and about 2 hours of music playing, I had 40% left after 12 hours yesterday. I know some people want to see more than that left, but coming from a number of -gasp- Windows Mobile devices, this is pretty much what I'm used to.
T BP7X is 1820/1860mAh, vs. the stock BP6X at 1390/1420mAh. I've seen other batteries listed with as much as 3500mAh. I would think such a battery would get one throught the day with very heavy usage, but I don't want to think how large that battery door would have to be!
The first post at this link shows a comparion of a D2 with the normal battery door and the Moto/VZW extended door. As somebody posted somewhere, the extended door actually makes the device "feel" better in the hand.
https://supportforums.motorola.com/message/224663
Hi folks - this is the first thread I have started, hence requesting the non-noobs to go easy on me... (this forum is a scary-kind-of-cool)
I mustered up the courage to install Infused 1.5.0 on my stock... the instructions were superb and everything went great... really enjoying the improved speed and looks. But my battery life has degraded. It has been more than a week since I flashed my phone - and it is only getting worse. Now I have read a lot about how Infused is getting great battery life for some folks... and i have gone through those threads, trying to figure out what I am doing wrong. This is my typical usage profile
1) I put the phone on charging before I go to sleep... when I wake up (around 7 AM) it is fully charged.
2) I quickly check overnight messages, finish the daily ablutions, and 30 min later when I check the phone it is already at 95%.
3) By 10 AM, I have made a few long phone calls (no bluetooth) (totalling 60-90 minutes) - and the battery is down to 75%
4) At work I use a bluetooth A2DP headset - maybe 30-40 min of calls and by 12 I am at 50%.
5) More calls in the afternoon, intermitted mail checking and sometimes 30-40 minutes of music streaming on my bluetooth headset - and by 6 PM my phone is down to critical level 12-15%.
This is in now way the same experience that others are having with the Infused ROM and with the Infuse phone in general.
Other points:
6) I run Juice Defender... (don't know if it helps)
7) My screen brightness is just a few notches over 0%
8) My data is always on - except when I am using Wifi of course
9) I turn bluetooth off when I am not using it
So that's the story guys... and I would eternally grateful if the awesome folks out here can help me figure out what I am doing wrong... or there is some logic behind the sad battery life of what is otherwise the best phone that I have ever owned.
It depends how long Infused has been running on your system. After about 3 days I noticed my phone was adjusting to the ROM and the battery life improved significantly. Aside from that, try this trick. Drain your battery next to nothing and then charge all the way. Do this a couple of times. Not quite sure about the logistics but it seems to work. Another thing that has improved my battery life is to make sure I don't have background apps running. You can check this by going into apps > manage apps > and then running. Sometimes Media Hub will begin a background process and that eats up a whopping 8 MBs alone. Force close these pointless background apps and you should see an improvement there as well.
have you conditioned the battery and reset battery stats?
popesmasseuse said:
It depends how long Infused has been running on your system. After about 3 days I noticed my phone was adjusting to the ROM and the battery life improved significantly. Aside from that, try this trick. Drain your battery next to nothing and then charge all the way. Do this a couple of times. Not quite sure about the logistics but it seems to work. Another thing that has improved my battery life is to make sure I don't have background apps running. You can check this by going into apps > manage apps > and then running. Sometimes Media Hub will begin a background process and that eats up a whopping 8 MBs alone. Force close these pointless background apps and you should see an improvement there as well.
Click to expand...
Click to collapse
Thanks popesmasseuse (you really aren't are you?)... the ROM has been running now for a week... gets worse rather than better. I do typically wait for my battery to drain completely before I charge it... but when I do have to do it at 7 PM - then I can never charge it fully, before I have to start using it again. I wonder if the fact that my phone goes through "micro charges" is a reason for my declining battery life...
Will check the running apps... and see if closing them improves things... thanks!
Fact: Installing a ROM greatly improves battery life... Try it....
Turn of GPS and Bluetooth when not in use.
Same here I uninstalled media hub... period... just useless...
Phone calls are a pretty heavy battery drain. Sounds like you're in call for hours each day. Most people don't talk on the phone more than a few minutes a day. Poor signal will also significantly reduce your battery life... how many bars you usually have at work?
My battery life got better the longer I had the infused ROM. But personally I only talk on the phone maybe a total of an hour each day, but I am constantly using internet and youtube, and if I have spare time I'm using my Kindle app to read some books. I keep my GPS, sync, and wifi on all day long and my brightness all the way up (I just can't stand a dim screen lol) and by the time I got home today my battery was at 40%, which I am perfectly fine with.
gtg465x said:
Phone calls are a pretty heavy battery drain. Sounds like you're in call for hours each day. Most people don't talk on the phone more than a few minutes a day. Poor signal will also significantly reduce your battery life... how many bars you usually have at work?
Click to expand...
Click to collapse
Ah...the man himself.
Yes I talk a lot on the phone - nature of the job. 3 hours minimum in a day. Signal at home is terrible - 15% strength... that could be the reason why the battery runs dry after the morning routine. Any way to offset that?
At work signal is great. But in office I also tend to use my desk phone more...
hydrogenman said:
have you conditioned the battery and reset battery stats?
Click to expand...
Click to collapse
Err... no... Noob alert!!!
How does one do that?
http://forum.xda-developers.com/showpost.php?p=14912331&postcount=7
Read this post in another battery thread I am doing this right now to see how it performs afterwards.
Read the thread in my sig.
Never use task killers.
For me, battery life on phones gets good after about 2 weeks or so.
With light to medium use I can easily go for 2+ days.
Consider not streaming music through Bluetooth. Also don't auto sync stuff every 15 mins. If you can use Gmail they use Push notification. I'm on my phone all day literally and I make it home with some battery left. BTW connect to a Wi-Fi when ever possible, 3g data streaming will kill your battery quick.
Sent from my SAMSUNG-SGH-I997 using XDA Premium App
Blackberrynomore said:
http://forum.xda-developers.com/showpost.php?p=14912331&postcount=7
Read this post in another battery thread I am doing this right now to see how it performs afterwards.
Click to expand...
Click to collapse
has anyone tried this method?
It's a Lithium-Ion battery which means it does NOT respond to "conditioning".
"Reconditioning a battery involves completely discharging the energy from a battery then recharging the
battery. Li-Ion batteries do not require reconditioning to maintain good battery performance since Li-Ion
does not have a memory effect. It is necessary to complete drain and then recharge a Li-Ion battery in
order to determine its current capacity level, but that is not the same thing as reconditioning the battery. Li-
Ion batteries do not have a condition that needs to be reconditioned." lxe.com
andrawer said:
It's a Lithium-Ion battery which means it does NOT respond to "conditioning".
"Reconditioning a battery involves completely discharging the energy from a battery then recharging the
battery. Li-Ion batteries do not require reconditioning to maintain good battery performance since Li-Ion
does not have a memory effect. It is necessary to complete drain and then recharge a Li-Ion battery in
order to determine its current capacity level, but that is not the same thing as reconditioning the battery. Li-
Ion batteries do not have a condition that needs to be reconditioned." lxe.com
Click to expand...
Click to collapse
Keiht's tutorial is effectively a technique called "bump charging" for putting that last extra percent or two of charge into a battery. However - with Li-Ion batteries, charging like this will SEVERELY reduce their charge cycle lifetime.
The only thing that "calibration" should affect is how your device reports battery charge level, NOT actual power usage. You should get the same total battery life whether your device is "calibrated" or not, with the exception possibly of the device shutting off prematurely because it thinks the battery is lower than it really is.
Entropy512 said:
Keiht's tutorial is effectively a technique called "bump charging" for putting that last extra percent or two of charge into a battery. However - with Li-Ion batteries, charging like this will SEVERELY reduce their charge cycle lifetime.
The only thing that "calibration" should affect is how your device reports battery charge level, NOT actual power usage. You should get the same total battery life whether your device is "calibrated" or not, with the exception possibly of the device shutting off prematurely because it thinks the battery is lower than it really is.
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Click to collapse
I would have to agree with you. I followed his directions as i was having horrible battery issues after going to 1.5.0 and it seems to have helped the reporting as far as I can tell. I think the big problem and it is only a guess is how the phone is reporting the battery condition not actual battery left. In any event I am running JD and the longer I run with 1.5.0 the battery seems to be lasting a lot longer but I have ti disable most everything which hobbles the phones best features to get that battery life still searching for the perfect solution.
As stated above, I'm curious what the answers will be.
We obviously can't define "heavy use", but I think everybody gets the point
I'd like to ask the 7-8 guys how they do it?
Soniboy84 said:
I'd like to ask the 7-8 guys how they do it?
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I use auto brightness.
Also, when I got the TF I did the whole break-in thing. It was in the manual.
Now, if you want to get better life you can reset your lithium ion battery. Use it till its below 5%, maybe even go to 0%, then charge it to 100%.
Do this atleast twice back to back. You should see your life grow.
Also, never over charge it, and never leave it charging at night. Even though some people will tell you it 'stops' charging once it hits 100%, it actually goes to trickle, and trickle or not, its still over charging it.
denverseven said:
I use auto brightness.
Also, when I got the TF I did the whole break-in thing. It was in the manual.
Now, if you want to get better life you can reset your lithium ion battery. Use it till its below 5%, maybe even go to 0%, then charge it to 100%.
Do this atleast twice back to back. You should see your life grow.
Also, never over charge it, and never leave it charging at night. Even though some people will tell you it 'stops' charging once it hits 100%, it actually goes to trickle, and trickle or not, its still over charging it.
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Click to collapse
Thanks for the answer,
I unfortunately don't have the manual with me, but true, I just got the tab yesterday. So do you think in time it will improve? What is that break thing you mentioned?
Soniboy84 said:
Thanks for the answer,
I unfortunately don't have the manual with me, but true, I just got the tab yesterday. So do you think in time it will improve? What is that break thing you mentioned?
Click to expand...
Click to collapse
Mine has also got better only thing that kills the battery is playing Galaxy on fire 2 other than that i watched two 2 hour long movies and still had 40 % left
denverseven said:
I use auto brightness.
Also, when I got the TF I did the whole break-in thing. It was in the manual.
Now, if you want to get better life you can reset your lithium ion battery. Use it till its below 5%, maybe even go to 0%, then charge it to 100%.
Do this atleast twice back to back. You should see your life grow.
Also, never over charge it, and never leave it charging at night. Even though some people will tell you it 'stops' charging once it hits 100%, it actually goes to trickle, and trickle or not, its still over charging it.
Click to expand...
Click to collapse
Manual says "to prolong battery life fully charge the battery for up to 8 hours when using the Eee pad for the first time and whenever the battery is fully depleted" Often wonder where you get these post that say don't leave it charging for more than 2 hours.
Auto brightness is really dim on my old eyes
BTW I have a dock and get a lot more than 7 or 8 with it ...very close to the 15 or so they say ..it is according to what your doing...if your playing games, watching flash or movies your mileage will vary
Same here, I usually just watch movies, (occasionally getting distracted by some tower defense game), but apparently my overall usage is due to the screen brightness. I had it on autoadjust for a while in the beginning (lasted like 8 hours) but then I don't like (is there an adjust option for autoadjust? it'd be a lot better if it made it just 10% brighter than it usually sets it..) the autoadjust, so now I usually have it on like 60-100% brightness and I still get 6-7 hours on it. Then i just dock it for another couple of hours.
Hm... too bad I like bright screens
So maybe that's the reason mine only lasts 3-4 hours :S
We'll see later on, maybe it will improve!
Soniboy84 said:
Hm... too bad I like bright screens
So maybe that's the reason mine only lasts 3-4 hours :S
We'll see later on, maybe it will improve!
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Click to collapse
Wow. I have mine cranked and it lasts well over that. Closer to 6 with consistent video watching.
i mostly use mine to browse online and music etc,i get around 9 hours with auto brightness
*added*
i used systempanel to monitor when i sleep to check usage,its between 1~3 percent for the cpu, battery life stays flat lined. cpu activity averages 30% while device is at 100%. i use advance task killer and juice defender and disable connections and sync etc.
well one thing for sure, my mifi died before my transformer died, so i roughly say 6 hours ++. when in music, it saves a lot of battery.
DilloDroid said:
Often wonder where you get these post that say don't leave it charging for more than 2 hours.
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2 hours is silly. Mine takes at least 2.5 to charge to 100%. I'm not sure where you've read that, but don't believe it! lol.
Li-ion batteries are great because they are extremely flexible and charging them like 5 times a day isn't a bad thing like it would be with an older technology.
But they are still susceptible to overcharge issues because they generate heat when charging, and that heat changes the composition of the battery, which makes it last less and less over time. That's why li-ions hold roughly 50% of their charge after 1.5 years of use.
And that's why one shouldn't overcharge it.
about 6~7 on stock..just recently tried prime 1.7 so will check for any changes
Does Netflix count as heavy usage? if so then I get about 8 hours
I use mine to browse and to remote desktop to my PC. Sometimes i use gchat and other times play a game or two. I get around 7-8 hours from the eee pad only. With the docking i get much more.
I use auto brightness, and wireless off when screen is off. This way i can leave my tf up and running all night and is ready to be used at any time. The main power consumption are the screen and the wireless on my usage profile. Both together consume more that 70% of my battery.
Is it possible to switch off the wifi automatically when the screen goes off?
Yes, of course. Go to wifi-properties, then choose extended (on German: "Erweitert") at the top right and there you can choose your setting.
(I've got a german TF - there it is "WLAN-Einstellungen"->"Erweitert")
With auto-brightness and wlan-off on screen-off 9 hours is no problem.
Great Tablet
I run Clemsons V4 Final, no dock and have the screen timeout set at 30 minutes. I didnt pay attention to the recommended battery stuff in the manual. And usually leave mine on the charger all night to be sure I start the day at 100%. I use my TF all day for work, taking notes, surfing and so on. I generally get home with 40%, if I dont play Angry Birds. I have played just music for 8.5 hours continuous with a 15% drop in battery.
Not iPad performance but still a keeper.
I put 6 hours of HEAVY use, but I usually get a full day's usage out of it since I keep my pad tethered to my charger at my desk all day at work.
tried the break-in charging thing (drain to 0% then charge it for 8-9 hours). My battery life changed drastically. Did it only once but ill charge it like that again when it depletes to 0%. It running now on its 3rd day with minimal to moderate use (28% as I am writing this). Will post battery drain per hour once done with the 2nd charging
No Dock, 2 Mobile Data Application frozen via Titanium back up
According to some review, infinity should give 9.5 hours of play time with WIFI on. Different use results in different result for sure, but I feel like my battery life is less than that of Galaxy 10.1 and if I remember Xoom. Not matching up with iPad is understandable as no android tablet does as iPad does no multi-tasking and wifi turns off quickly after sleep. But worse than Xoom or 10.1 seems something potentially wrong with my unit.
Is there any official application that can test battery condition? In Mac, there is application called coconut battery which tells you how much of battery you can charge i.e. no battery is usually 100% of its maximal capacity and over time it loses capacity gradually but this application tells that. I wonder if there is similar for Android tablet.
By the way my usage is like reading book and comics, surfing net, not much of game. I'm in balance mode. I checked turn off WIFI while in sleep. I did 1GB+ file transfer over the WIFI. With this overall screen time of 5 hours and I only have 15% battery left. I probably won't make it to 6 hours..
Ehhh... as far as I can tell, the Prime (and consequently, the Infinity) should outrun any iPad as to battery life. What's your scree brightness?
I get like 6-7 browsing, 9-10 reading pdfs and much less gaming (balanced mode, brightness 30%). You can see some averages and estimates in the Battery HD app / widget.
---------- Post added at 01:23 AM ---------- Previous post was at 01:22 AM ----------
MartyHulskemper said:
Ehhh... as far as I can tell, the Prime (and consequently, the Infinity) should outrun any iPad as to battery life. What's your scree brightness?
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Outrun iPad?? Maybe with the dock. Sorry...
Outrun iPad?? Maybe with the dock. Sorry...[/QUOTE]
On the crApple forums, loads of people report a consistent 7 hours of use for the iPad3 (or the new iPad, or whatever the thing is called). The TF700 should eat it alive with the dock attached, whereas they'd come out about equal when going face to face 'barehanded'.
EDIT: nice test: http://www.tomshardware.com/reviews/galaxy-tab-android-tablet,3014-11.html of the OLD iPad2 vs. Transformer 101. Yes, agreed, it is old, but the iPad3 has double the power consumption and only 70% more battery capacity. You go figure.
MartyHulskemper said:
Outrun iPad?? Maybe with the dock. Sorry...
Click to expand...
Click to collapse
On the crApple forums, loads of people report a consistent 7 hours of use for the iPad3 (or the new iPad, or whatever the thing is called). The TF700 should eat it alive with the dock attached, whereas they'd come out about equal when going face to face 'barehanded'.
EDIT: nice test: http://www.tomshardware.com/reviews/galaxy-tab-android-tablet,3014-11.html of the OLD iPad2 vs. Transformer 101. Yes, agreed, it is old, but the iPad3 has double the power consumption and only 70% more battery capacity. You go figure. [/QUOTE]
I agree with the table as I owned Xoom, Galaxy 10.1, and currently have iPad 2 and Infinity. I don't know about New Ipad. But in my experience iPad 2 always give solid 10 hours or so but again that's probably not fair comparison against Infinity which uses HD screen. So I was going off of http://www.engadget.com/2012/06/25/asus-transformer-pad-infinity-tf700-review/, which shows Infinity having superior battery than the most of newer versions of Xoom 2, Galaxy 2 10.1 etc. I have no doubt with Docking station, Infinity's battery life would be unbeatable except by transformer prime.
But my concern was actually if my unit battery is semi-defective and not charging to full way.
I usually have my screen brightness turned all way down; whereas, above test is 50%... so I was surprised my result. Unless 1GB transfer consumed so much or overnight standby consumed a lot (despite turned off WIFI box checked..). Since we cannot really go off by battery screen on ICS with inifinity, which shows WIFI more than screen... I just have no good way to assess the condition of my battery...
HoushaSen said:
I agree with the table as I owned Xoom, Galaxy 10.1, and currently have iPad 2 and Infinity. I don't know about New Ipad. But in my experience iPad 2 always give solid 10 hours or so but again that's probably not fair comparison against Infinity which uses HD screen. So I was going off of http://www.engadget.com/2012/06/25/asus-transformer-pad-infinity-tf700-review/, which shows Infinity having superior battery than the most of newer versions of Xoom 2, Galaxy 2 10.1 etc. I have no doubt with Docking station, Infinity's battery life would be unbeatable except by transformer prime.
But my concern was actually if my unit battery is semi-defective and not charging to full way.
I usually have my screen brightness turned all way down; whereas, above test is 50%... so I was surprised my result. Unless 1GB transfer consumed so much or overnight standby consumed a lot (despite turned off WIFI box checked..). Since we cannot really go off by battery screen on ICS with inifinity, which shows WIFI more than screen... I just have no good way to assess the condition of my battery...
Click to expand...
Click to collapse
Are you sure that you Infinity is going into deep sleep? There are many cases where a "rogue" app will cause the tablet to never enter deep sleep, thereby draining the battery much faster in standby. You can check for deep sleep with CPU Spy...
Sent from my ASUS Transformer Pad TF700T using Tapatalk 2
I still need to do a scientific test but today at work my screen was on for 3.5 hours and the tablet was off the charger for 11.5 hours. My battery was down to 32%. My screen brightness is IPS off and fixed at around 90%. Looks lovely
I ran my xoom for 2 hours even and 2 hours off charger. During this time however I downloaded a bunch of apps, loaded up all the apps, ran weather bug looking at weather maps, and did some browsing. I was using it continuously to get the feel compared to my infinity.
Anyway after all that the xoom was around 77% batter remaining.
I know that when I tested my xoom soon after I got it I could get around 6.5 hours on the screen before it ran down. On standby it barely uses anything. I'm guessing I use it at work around 3-4 hours. Sometimes I'd forget to charge my xoom and the next day it would usually get me though most of the day... To maybe 1-2pm and I come in at 6:30 so thats almost my whole day.
So yes the battery is definitely less. Tomorrow I'm putting the screen brightness on auto. Thats how had the xoom so maybe it will be a better comparison. Certainly looking at battery usage the screen was using a lot of power. What looks REALLY odd however is that wifi is my number one battery usage.
That just doesn't look right does it? Now I do have it on wifi all day so in this case for 11.5 hours. But I don't on my phone wifi is like 3%... Maybe my tablet and problems are related to an issue with wifi?
Anyone else keep their wifi on notice a big power drain on wifi?
check to see if you have a battery leak with some app. turn gps off, dont use auto brightness lol. keep it down more like 65 % indoors you dont need more than that. use the app called juice defender and make sure you kill off anything your not using. google a list of top 10 thigns to do to android to make battery last longer
ethion said:
Maybe my tablet and problems are related to an issue with wifi?
Anyone else keep their wifi on notice a big power drain on wifi?
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Click to collapse
Yes - I do. My TF700, no dock, seemingly handles just about 4 - 5 hours of activity (not stand by but actual use, be it video, audio, browsing, etc), and when I look at the battery stats under settings - it shows that over 80% went into wi-fi.
I have heard that to make up for the weak Prime's reception ASUS overpowered Infinity wi-fi, so it sucks power out of the battery pretty fast.
I am also assuming that as usual, based on latest update, serial number, QA, etc, the behavior will be different for different tablets, some will see it and some will not.
Good news is that these things are fixable by a soft patch, so we shall see something released by ASUS if many people complain.
So I still have to do more testing, but I guess my tablet is not defective (at least in regards to the battery). i do get pretty much the same result as others replied me back here. After checking the ASUS main site, 14 hours with Dock was measured in Power Saving mode, 720p movie, WIFI on.
So key here was indeed power saving mode, which I was not using. i just switched to Power Saving mode and just looking at 10% drop mark, it seems to go ~50 minutes, which equates similar to what 9.5 hours one site suggested. Application (as far as what I use) runs fine and seems as smooth BUT main thing noticed here is refresh rate of the screen in power save mode seems much lower so when I go back to main screen, i can see some flickering.
But it's great to be able to boost battery life by couple hours and more.
With the device off - - after a full charge, my battery says 97 percent....NEVER 100%. With the charger plugged in, while using the device, I get a max 98 percent charge. Anyone having a similar experience? Does the device actually use 2% of
the battery when turning it on? I'm befuddled.
xRevilatioNx said:
With the device off - - after a full charge, my battery says 97 percent....NEVER 100%. With the charger plugged in, while using the device, I get a max 98 percent charge. Anyone having a similar experience? Does the device actually use 2% of
the battery when turning it on? I'm befuddled.
Click to expand...
Click to collapse
Do you usually drain the battery all way down after each use or close to it?
Got my tab yesterday. After charging I did some I would say normal usage, browsing, installing some apps, transfering data, watching video and a cam chat for about 2 hours on skype, standby over night.
I used balanced mode, auto brightness, external speaker on highest volume, sometimes superips (but not for long), always had the external sdcard mounted, always wifi on, gps on, autorotate on.
I had >14h without the dock, should have made a screenshot.
I will do a drain test when I charged the battery 4 or 5 times.
---------- Post added at 01:48 PM ---------- Previous post was at 01:46 PM ----------
xRevilatioNx said:
With the device off - - after a full charge, my battery says 97 percent....NEVER 100%. With the charger plugged in, while using the device, I get a max 98 percent charge. Anyone having a similar experience? Does the device actually use 2% of
the battery when turning it on? I'm befuddled.
Click to expand...
Click to collapse
Also when the device is charged up to 80% disable everything, wifi, gps and so on.
Then suspend the device and do not turn it on for at least 1 hour.
I do it that way and get 100%.
HoushaSen said:
Do you usually drain the battery all way down after each use or close to it?
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Click to collapse
Got my replacement yesterday. That was my first full charge. I allowed it to charge to 75% then turned it on (while still charging) and set it all up. I had the charger plugged in for 10 hours while playing around with it. Went to bed, turned it off and let it charge for another 4 hours. When I turned it off . I noticed it was only at a 97% charge.
I'm using it now to let it drain to zero. Then will do another full charge. I've only had it on for 90 minutes on balanced setting and the battery is already showing a 40% drain.
For those worried about the battery only being charged to 97-98%: it's normal, and a way to conserve your battery. Li-ion batteries don't like going to 100% full charge since it increases the temperature a lot and in the long term reduces their capacity. So the battery gets (very shortly) charged to 100% (or very close to it), then it will decrease slightly to high 90s and the charger will go into maintenance charging, keeping it close to 100% charge.
Some manufacturers "masquerade" this by setting the percentage to show 100% even if it really isn't. Keeps users from losing sleep over trivial things like that
The batteries don't like deep discharges either, so there's no use emptying them completely. Top them off whenever you can. Anywhere in between 40% and 80% is good.
TL;DR: Don't worry, the battery is fully charged even though it says 97 or 98%. Don't empty the battery completely.
Edit: Some useful information regarding Li-ion batteries here, http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries/
Thanks for this, but there was some discussion with these studies already. But probably it's right not to do anything extreme.
That being said, we probably have to admit that there is a reason to DISCHARGE and CHARGE FULLY a few times - so that all the apps/widgets that measure battery capacity, estimate life etc. could learn all they can by more (and more exact) data.
Einride said:
For those worried about the battery only being charged to 97-98%: it's normal, and a way to conserve your battery. Li-ion batteries don't like going to 100% full charge since it increases the temperature a lot and in the long term reduces their capacity. So the battery gets (very shortly) charged to 100% (or very close to it), then it will decrease slightly to high 90s and the charger will go into maintenance charging, keeping it close to 100% charge.
Some manufacturers "masquerade" this by setting the percentage to show 100% even if it really isn't. Keeps users from losing sleep over trivial things like that
The batteries don't like deep discharges either, so there's no use emptying them completely. Top them off whenever you can. Anywhere in between 40% and 80% is good.
TL;DR: Don't worry, the battery is fully charged even though it says 97 or 98%. Don't empty the battery completely.
Edit: Some useful information regarding Li-ion batteries here, http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries/
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Click to collapse
Thanks for the info! Good to know that you don't have have to do a complete battery drain, initially. Or ever for that matter.. :good:
I'm charging my tablet and I've noticed it never reaches full battery (100%). It hangs at 99% but then, if I unplug the cable, it shows 100%. 99% is shown again if I plug the cable back in. Also, when it's charging and the tablet is switched off, the bar never stops at full charge. The battery seems to run out faster too. Is there a way to recalibrate or to fix it? What has probably happened?
Sent from my GT-P3110 using XDA Premium HD app
Don't trust your battery display, its an liar. It cames strange, when your battery its discharging when its plugged in. So he must lie, to avoid massive failure message to the manufactures. I think with your battery its all ok.
You wake up, pulls the fully charged cell phone from the string and throws a quick glance in the e-mails. On the night was the smartphone loaded and the battery level indicator shows 100%. After a quick shower a customer wants to send an important file that you forgot the night before. Looking at the phone and determines that the battery is already down to 90%. A battery loss of 10% in 10 minutes? The phone must be broken!
A common criticism of today's smartphones is their short battery life compared to older phones. A few years ago it was quite possible that, after a week's holiday with still remaining battery life came back, if you forgot the charger (I do not happen more than once). In the newest phones on the market can however be lucky if you zurandekommt a weekend, without re-charging.
Basically, that's understandable. His time had phones a manageable list of functions: call and be called. Today one uses the device for e-mail, Web surfing, GPS navigation, photos, video games and a lot of other things. Earlier mobile phones had tiny displays, today they have gigantic screens with bright and vivid colors. All these features come at a price: a relatively high power consumption.
Interestingly, the underlying improvements in battery management problem of perception of the average user. Old cell phones put a pretty unelegantes charging behavior of the day: In general, you invited the battery up to the upper capacity limit and then switched to the mode "trickle charge" to ensure the highest level of battery charge. In this way they had in the short term always the best battery hurt, but the battery in the long run. The Battery University website that sets us apart precisely:
The period in which a battery at full charge should remain as short as possible, be kept. If high voltage will cause corrosion, especially at elevated temperatures.
And that is also the reason why "lose" many modern mobile phones up to 10% of their charge within a few minutes after they are sealed up from the charger. In truth, the batteries have been charged only for a brief moment to 100%. After that, the battery management has ensured that the unit discharges back to a level of about 90%. That the device was charged overnight, has no influence: The socket is only used to give a partial state of charge.
To investigate more closely, I Current widget installed on my HTC Droid Incredible. This app logs, is drawn as much electricity from the battery or the charger received. I have set the app so that it records every 10 seconds log data and data collected in this way a few days. Of course, depending on various factors (device hardware, firmware, kernel, etc), but the trends that I'm describing here to take on more and more mobile phones and are not limited to one device type or manufacturer.
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Xintorrim said:
I'm charging my tablet and I've noticed it never reaches full battery (100%). It hangs at 99% but then, if I unplug the cable, it shows 100%. 99% is shown again if I plug the cable back in. Also, when it's charging and the tablet is switched off, the bar never stops at full charge. The battery seems to run out faster too. Is there a way to recalibrate or to fix it? What has probably happened?
Sent from my GT-P3110 using XDA Premium HD app
Click to expand...
Click to collapse
I think your battery is all OK.
Modern batteries never load 100 %.
If you look at the battery charging current when state of charge is 99% ( for example with BMW app.) you will see that the charging current keeps at a higher level than 260mA.
This means that the ''leakage current'' of your battery is a little bit too high. This happen fairly frequently with Li-ion battery on all smarphones and tablets.
Do not warry, you will not loose any significant battery capacity if you stop the charging process at 99%.
You may see a typical current charging curve here: http://78michel.unblog.fr/samsung-galaxy-tab-2-10-1-tests/ ; the 100% limit was reached in this example.
I do not think that this ''high'' leakage current could be related to any battery failure.