How is your battery life - Samsung Galaxy W I8150

My galaxy w battery is dying before it reach one year usage! and it is swollen.
What about you?
If you doubt your battery is ok or not check whether it is swollen. This is detectable by feeling and viewing the inside/phone-side of the battery case. Also, when the battery is placed inside/phone-side down on a flat, smooth surface, it will rock and will sustain a spin motion. The case of a healthy battery is flat, and the battery will not a spin easily.
I think the battery quality is low. Isn't it? I've not seen any phone with this horrible battery life! My previous phone battery could last for more than 4 years!

not even a day , 15-16 hours and i had to charge it . I got the phone for 11 months and this is the situation . Using arco's cm 10 beta 1 btw .

Polithe1st said:
not even a day , 15-16 hours and i had to charge it . I got the phone for 11 months and this is the situation . Using arco's cm 10 beta 1 btw .
Click to expand...
Click to collapse
+1 , but with CM10.1 A2

if i used phone charging three times of day !! i think it's so bad !

i've change my battery... my old battery is almost 1 year. Now i'm using 2900mAh battery

My battery is good. Can lasts up to 18hours in daily usage with 3G always ON :thumbup:
Sent from my GT-I8150 using xda premium

adra.abi said:
My battery is good. Can lasts up to 18hours in daily usage with 3G always ON :thumbup:
Sent from my GT-I8150 using xda premium
Click to expand...
Click to collapse
what a lucky. if i recall correctly my brand new galw cant last 8 hours with data always on.. just about 6-8 hours.

coliv_aja said:
what a lucky. if i recall correctly my brand new galw cant last 8 hours with data always on.. just about 6-8 hours.
Click to expand...
Click to collapse
Try to undervoltaged your cpu, with custom ROM and kernel which support UV indeed.
Sent from my GT-I8150 using xda premium

adra.abi said:
Try to undervoltaged your cpu, with custom ROM and kernel which support UV indeed.
Sent from my GT-I8150 using xda premium
Click to expand...
Click to collapse
I think an updated custom kernel for CM10.1 A2 is really needed now. Sadly the devs are busy
I'm not getting any battery savings from Hurtsky's kernel.

frozonecom said:
I think an updated custom kernel for CM10.1 A2 is really needed now. Sadly the devs are busy
I'm not getting any battery savings from Hurtsky's kernel.
Click to expand...
Click to collapse
Yeah.. because of that I still sticked on CM9
Sent from my GT-I8150 using xda premium

mat1371 said:
My galaxy w battery is dying before it reach one year usage! and it is swollen.
What about you?
If you doubt your battery is ok or not check whether it is swollen. This is detectable by feeling and viewing the inside/phone-side of the battery case. Also, when the battery is placed inside/phone-side down on a flat, smooth surface, it will rock and will sustain a spin motion. The case of a healthy battery is flat, and the battery will not a spin easily.
I think the battery quality is low. Isn't it? I've not seen any phone with this horrible battery life! My previous phone battery could last for more than 4 years!
Click to expand...
Click to collapse
Same here. Samsung batteries suck big time in my opinion. I never had a Nokia battery fail outright in 20 years of using their phones, but my first Samsung phone battery lasted around 9 - 10 months and then started to fail - bulging, inconsistent performance, inaccurate battery level reported (even though battery health was reported as good)
On a new, calibrated battery I can get 30 - 40 hours from a charge under moderate use - when I get round to it I will be buying a spare battery for when this one dies (I do always buy genuine parts) as I have so little faith, and I am now a wiser man to how poor the quality is and what the signs of it starting to die are.
I notice that Sammy don't give 12 months warranty on the battery when you buy a new a phone, just on the handset itself.

My battery life just 3 hours whe I use to browse with 3g connection
Sent from my GT-I8150 using Tapatalk 2

Today I saw one of my friend who has a galaxy sII. I asked him about its battery. He was unsatisfied.
The phone itself has a good battery life but the life cycle of battery is too short. When the battery gets damaged battery saving tricks aren't effective.
Now my phone shut itself down even when the battery is above 50%. I'm going to change the battery but I wonder how much will be the life of the new one?
Isn't there any petition to force Samsung to be responsible for its batteries?

adra.abi said:
Yeah.. because of that I still sticked on CM9
Sent from my GT-I8150 using xda premium
Click to expand...
Click to collapse
cm10.1 is awesome, but cm9 delivers better battery life. i agree.

Stock Firmwire (my brothers phone) around 12 hours
Custom Rom CM9 around 14 hours
Batterylife around 1 year and 3 months

Go cm10 by sir arco and find batur kernel download uv version and then instal and u experience a good batery life )

still stay with arco cm9..good battery life..:laugh:

khairizal said:
still stay with arco cm9..good battery life..:laugh:
Click to expand...
Click to collapse
Me too. Still with CM9 RC2 because of 2.6.35 Kernel, wich is way more battery friendly than the new 3.x kernel. With Arcos stock 2.6.35 Kernel my battery lasts for 3-5 days and with my personal kernel even longer.
Reagarding battery life in general those new generation high density batteries do not last as long as the old low density batteries you were using in your old phones. Most of the high density batteries will last up to 1 year, but that´s it. However now you can get them for about $10, so it´s not such a big pain in replacing them once a year. The old low density batteries did cost twice or 3 times more when you had to replace them. Now they are cheap too, but a few years ago you had to spend much more for such a battery.

mat1371 said:
My galaxy w battery is dying before it reach one year usage! and it is swollen.
What about you?
If you doubt your battery is ok or not check whether it is swollen. This is detectable by feeling and viewing the inside/phone-side of the battery case. Also, when the battery is placed inside/phone-side down on a flat, smooth surface, it will rock and will sustain a spin motion. The case of a healthy battery is flat, and the battery will not a spin easily.
I think the battery quality is low. Isn't it? I've not seen any phone with this horrible battery life! My previous phone battery could last for more than 4 years!
Click to expand...
Click to collapse
10-11 month and it started to suddenly shuting down and had to buy new battery. :crying:
adra.abi said:
My battery is good. Can lasts up to 18hours in daily usage with 3G always ON :thumbup:
Sent from my GT-I8150 using xda premium
Click to expand...
Click to collapse
what rom and kernel do you use? teach me how to do it :crying:

guys you need to understand that our phone can withstand only about 4h SCREEN ON time

Related

Is this normal battery life for the first day of having the nexus?

I just got my nexus today and was wondering if this was good battery life for the first days use and when it will start getting better?
Sent from my Galaxy Nexus using xda premium
This is the screenshot.
Sent from my Galaxy Nexus using xda premium
Just about. I usually get 7hrs.
Sent from my Galaxy Nexus using XDA App
Thats a drastic drop! Id say about normal as well. Did you have a lot of apps that were re downloading from the time you first activated it. After a few days to a week when your done looking at your phone every 5 secs you'll start to see battery improvement haha.
Tonight will be my 3rd time charging it. WIll it get a lot better tomorrow?
ProTip: Put the phone down every once in a while and enjoy life.
That's normal if ur 4g on
Sent from my Galaxy Nexus using XDA App
It can take 4-5 charge cycles for the battery to really get worked in.
Also, check out the juice defender plus app. Doubled my battery life.
Sent from my Galaxy Nexus using XDA App
Lithium Ion cells do not get better in any way after a few charges.
In fact the capacity goes down a wee tiny little bit with each and every charge, so your first charge was the "best" one.
Stop playing around with the thing for 5 hours non stop and you will get decent runtime.
Best thing to do with a new device is to charge it up fully as soon as you can. Then run it down until you get the low battery warning. Then charge it back up.
Battery life will likely be pretty poor for the first week or so, then it will normalize.
Deep discharging (to 0%) is about the worst thing you can do to a LiIon battery, because it "hurts" it much more than several shallow discharges.
Also, like I said before, battery capacity won't in any way rise or "normalize" over the first week.
Battery life is poor the first days because you use your shiny new device all the time (i.e. more than later). It's like that for all of us.
My battery life sucked the first few days, It got better though. It really only seems to suck it down if it is hunting for a signal constantly.
Sent from my Galaxy Nexus using XDA App
If you are using your phone a laptop replacement and are surfing the web constantly, expect it to die like a laptop.
Sent from my Galaxy Nexus Revolution
You also need to try this manual battery calibration:
http://myhtcdesire.com/tutorials/how-to-improve-your-battery-life-calibration-tutorial
After I did this, saw the battery reading 99% and 98% more often rather than straight to 96% after charged.
Originally, it was suggested by HTC tech support. I did that once every six months or so ... And my battery level is now improved. Screenshots will follow in the next post.
Not bad?
Sync is off btw. And this includes using Maps 2%.
At least with my usage pattern, I am more or less satisfied.
I wish Google fixes the high Android OS Keep awake time!
Sent from my Galaxy Nexus using xda premium
cvbcbcmv said:
You need to remember the only thing relating to battery life is not just the battery, it's software as well, hence calibration. After about a week or so your phone gets a "feel" for your battery and gets more battery stats, so it's more accurate with it's readings. That is a proven fact, you need to think about all things.
Click to expand...
Click to collapse
It is quite easy to gauge a Lithium Ion battery. 4.20 V = full. 3.60 V = empty. Your phone can read the battery precise to 0.001 V. The curve isn't linear, but it's well known what voltage relates to the exact capacity left in the battery.
There's really no room to "feel" anything there, just simple math.
Smokeey said:
ProTip: Put the phone down every once in a while and enjoy life.
Click to expand...
Click to collapse
+1
I consistently get 15-18 hours of use out of mine with the extended battery.
But to the OP, if your screen is taking up 60% of your battery, it's always on, your battery is gonna die, it happens. Your battery doesn't get "better" with time. It seems that way because you aren't glued to the device 24/7.
Mine was god awful when I first got it but after a week or so it got much, much better.
I have the GSM version though.
60% screen time gawt damn! Did you talk to anyone that day?
falconeight said:
60% screen time gawt damn! Did you talk to anyone that day?
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Click to collapse
Google need to run classes on how to read the battery consumption pages. 61% screen means that the screen used 61% of the total battery used, not that the screen was on 61% of the time.
Sent from my Galaxy Nexus using Tapatalk

Something we keep forgetting Re: battery life

I've become obsessed with the poor battery life on my new Galaxy Nexus and I've been pouring over forums, videos and blogs to find out why it's so bad.
I keep hearing about people getting 8 hours, 11 hours, 14 hours before their phone dies, but this is not actual use time, it's idle time (I.e "I left the phone off the charger overnight and..."). WHY does the manufacturer rate this phone as having a 15 day standby life... FIFTEEN DAYS!!!!
Something is terribly wrong here. If I can't use the browser for more than an hour without the battery getting critical, then what's the point of a "super phone "? It seems useless. I don't even want to install games on this device, because I know I'll get frustrated by it chewing through the battery as I play.
I purchased this phone with a high priority on the HD video recording capabilities, but will I actually be able to film stuff while out and have enough juice in case I need to make a call? Something tells me I won't.
Maybe I'm just expecting too much or maybe manufacturers should stop making these phones so "super" and focus on the fact that these are portable devices which need to last at least the day. God forbid you went for a hike and had an emergency, only to find your phone dead after eight hours!
Rant over
My battery is currently at 60% after 13 hours and and 1:35 screen time.
I have absolutely no complaints about the battery. In fact I would say its the best out of any phone I've owned.
Sent from my Galaxy Nexus using xda premium
I feel you bud! The first 10-12% drops super fast then it seems to get a little better?
Sent from my Galaxy Nexus using xda premium
Cool story bro... For anyone who is planning to go on a hike in the near future, BRING A SPARE BATTERY OR GET A WALKIE TALKIE!!!
Mitchmoney said:
Cool story bro... For anyone who is planning to go on a hike in the near future, BRING A SPARE BATTERY OR GET A WALKIE TALKIE!!!
Click to expand...
Click to collapse
Not to mention that you shouldn't rely on a cellphone for calls out in the middle of the woods...
Mitchmoney said:
Cool story bro... For anyone who is planning to go on a hike in the near future, BRING A SPARE BATTERY OR GET A WALKIE TALKIE!!!
Click to expand...
Click to collapse
Good idea! Hahhahahaha
Sent from my Galaxy Nexus using Tapatalk
did u check out the 2100 mAh extended battery, it's working wonders for me
mike216 said:
I feel you bud! The first 10-12% drops super fast then it seems to get a little better?
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
That's because when you pull your phone off the charger and it says it's @100%, it's lying. It's somewhere in between 95-99%. The first 10% is spent figuring out where you're really at.
I think op said it best himself. Maybe you're just expecting too much. Battery life is freaking awesome for a phone with a 4.65 inch oled screen. Reminds me of my trusty nokia e71 back in the day.
Sent from my Nexus in Texas.
KWKSLVR said:
That's because when you pull your phone off the charger and it says it's @100%, it's lying. It's somewhere in between 95-99%. The first 10% is spent figuring out where you're really at.
Click to expand...
Click to collapse
If your battery is properly calibrated, the first 5% is iffy. Just figured out how to properly calibrate less than two weeks ago and it doesn't include any software, like batterycalibration or resetting battery stats in cwm.
Sent from my Nexus in Texas.
Mitchmoney said:
Cool story bro... For anyone who is planning to go on a hike in the near future, BRING A SPARE BATTERY OR GET A WALKIE TALKIE!!!
Click to expand...
Click to collapse
You can kindly replace "hike" with "family outing", "work", "movies", night club", "sporting event", "errands", etc... having a spare battery or charger (or a second communication device!) on you all the time should NOT be the solution to poor design (either hardware or software or both).
Sent from my Transformer TF101 using Tapatalk
Lot's of misinformation in this thread.
A new Lithium-Ion battery (LiCoO2) is always 100% fully charged at 4.20 V (+- 0.05 V). This maximum voltage lowers with age and use of the cell. Both voltage and battery age can be precisely measured by your phone and translated into the battery % display. It's not a linear graph but it's not really rocket science either.
There is no calibration of LiIon cells, it's neither necessary nor possible, they work at 100% efficiency right from the start.
EP2008 said:
You can kindly replace "hike" with "family outing", "work", "movies", night club", "sporting event", "errands", etc... having a spare battery or charger (or a second communication device!) on you all the time should NOT be the solution to poor design (either hardware or software or both).
Sent from my Transformer TF101 using Tapatalk
Click to expand...
Click to collapse
You going on some intense 12 hour night club runs?
El Daddy said:
My battery is currently at 60% after 13 hours and and 1:35 screen time.
I have absolutely no complaints about the battery. In fact I would say its the best out of any phone I've owned.
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
i'm at 24% after 12.5h, 1:45h screen time (inverted theme browser and some brief facebook/twitter time...). This, to me is not acceptable. If I was using google maps + gps, how long until the battery died? 30 minutes? Less?? I'm not watching video, making calls, downloading torrents, using the camera or anything else that would cause this kind of drain, but it seems to be "normal" for a lot of users on this and other forums.
Sent from my Transformer TF101 using Tapatalk
Have to agree with most and say battery life is by far the best compared to all other Android phones I've owned. As for standby time, this is tested without a sim card, apps, etc. So 15 days sounds reasonable without touching it and without the phone doing anything in the background.
I disagree.
The battery life of this phone is fantastic, more than what I expected. It is better than the Nexus S that I have.
I am using extended battery 2000mAh for GSM version.
Battery drain during night is about 1%-2% for about 8 hours. No kidding, I was surprised with that this morning. Probably because the new 4.0.2. Before, it was half percent an hour.
My current record for battery life was 61 hours with 4 hours screen on time. See the attached screenshot.
Again, this is based on my usage pattern.
Sent from my Galaxy Nexus using xda premium
Battery life is amazing to me too, My average usage a day at work is 8-9 hours music, 45-60mins 3g web browsing, ~1h 40 mins screen on time.
On my Desire HD (Yea I know, hopeless battery life) the battery would die around 7-8 hours in with that usage. On my Galaxy Nexus I get home with 50% left.
One thing I found that helped battery life out a TON, is swiping facebook off the recent apps menu when you're done with it. Also have a similar high drain problem with joystiq/engadget apps.
Running AKOP17 with francokernel12 for anyone wondering.
I think you need to specify CDMA or GSM. It seems pretty common for GSM to get around 4 hours screen time before the battery goes. CDMA: 2.5 hours or so with moderate-heavy use.
I really hope someone on Verizon will post that they get 4 hours screen on time (no wifi) and what they did to get it.
Battery is good here too. Android OS is the eater. 4.0.3 and a good kernel fixes that.
The phone is capable of good battery but the new OS is still buggy.
LTE EX Galaxy Nexus - AOSP KANG
Asus Transformer - 3.2.1 OC/UV
Franco Kernel with a core powered down on screen offm 325 / 1200 clock.
Exiting / logging off google talk
Entering camera and force closing it one time after each reboot
LTE off
Nets me 1% drain per hour on 3g with nothing going on. That is excellent battery life. Loging out of Gtalk netted me approximately 2% an hour and the camera close trick netted me a crap ton. Prior to that I was getting almost 8% per hour loss doing nothing.

Is ExtendedBatterie Worth it? and which is best?

Hi all,
i have a I9100, but the battery life is really bad, ihave to charge it up about 3 times a day.
i was wondering if getting one of thoses extended batteries (the ones which go in the phone, not the ones you plug in to the phone) is worth it?
and if they are, which one do you guys recomend?
Cheers Corey
fishingfon said:
Hi all,
i have a I9100, but the battery life is really bad, ihave to charge it up about 3 times a day.
i was wondering if getting one of thoses extended batteries (the ones which go in the phone, not the ones you plug in to the phone) is worth it?
and if they are, which one do you guys recomend?
Cheers Corey
Click to expand...
Click to collapse
You will get ~20% more juice with genuine battery. If you are charging your phone 3 times per day I don't think it's worth it.
P.S. What are you doing with your phone?
fishingfon said:
Hi all,
i have a I9100, but the battery life is really bad, ihave to charge it up about 3 times a day.
i was wondering if getting one of thoses extended batteries (the ones which go in the phone, not the ones you plug in to the phone) is worth it?
and if they are, which one do you guys recomend?
Cheers Corey
Click to expand...
Click to collapse
Wow 3 times per day? What`s your screen on time when you have to recharge? Maybe some Wakelocks?
However, a new battery the 2000 mah from Samsung can add some juice for about 2 more hours. At least for me it`s the case. With the normal battery I had about 16 h of juice, with the new one I can go with 18 h but of course depends on usage.
Hi, i get about 5 hours battery with about 3 hours screen time before I have to recharge, and is the any larger battery's then the 2000mh one?
Cheers
Corey
Sent from my GT-I9100 using xda premium
fishingfon said:
Hi, i get about 5 hours battery with about 3 hours screen time before I have to recharge, and is the any larger battery's then the 2000mh one?
Cheers
Corey
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
I think that there is something wrong, 5 hours is pretty bad. Instal Betterbatterystats and look if you have wakelocks.
Ok if you watch HD videos all the time while your screen is on or you play games very often then 5 hours is understandable.
There are batteries that provide over 2000 mah but they are not Samsung certified and could damage your phone and they are significantly bigger.
Do you use any rom or any modified kernel?
So you are on your phone 6-9 hours every day How is that even possible?
You really should read some other threads before actuly posting a question about the same thing that has been repeated 100 times.
Its on the first page as well...
Sent from my GT-I9100 using xda premium
Hi,
I use cm9 and siyah kernel, with the profile set to battery, the second cpu core disabled, and lots of other mods to make the battery last longer, but it won't get me fast 5 or six hours.
Is the battery life in the screens normal?.
And u did Google it first, but I couldn't find an answer
Thanks heaps
Cheers
Corey
Sent from my GT-I9100 using xda premium
fishingfon said:
Hi,
I use cm9 and siyah kernel, with the profile set to battery, the second cpu core disabled, and lots of other mods to make the battery last longer, but it won't get me fast 5 or six hours.
Is the battery life in the screens normal?.
And u did Google it first, but I couldn't find an answer
Thanks heaps
Cheers
Corey
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
If you are using mobile data all the time, that is normal... You use your phone a lot! Genuine 2000 mah battery would give you another hour of use
Go to general section, you will find many configs (UC/UV) fot better battery life.
fishingfon said:
Hi,
I use cm9 and siyah kernel, with the profile set to battery, the second cpu core disabled, and lots of other mods to make the battery last longer, but it won't get me fast 5 or six hours.
Is the battery life in the screens normal?.
And u did Google it first, but I couldn't find an answer
Thanks heaps
Cheers
Corey
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
Dude,if you're not using airplane mode ,then the problem with your battery is bad network signal.On your screenshots i can see that most of the time you have no network.When you have no signal ,the phone works to find it,thus eating the battery.
Hi, i only have airplane mode turned off for about an hour, and where it says the us no network signal is because the phone is in airplane mode
Sent from my GT-I9100 using xda premium
5h is really short. What r u doing? Playing all the time? I world consider to restock to ICS to check if changes you made could actually degradated power efficiency.
And for sure dont mess with CPU cores - by disabling second core you loose 50% processing power and gain very little teorethical battery juice. Android needs to work longer and harder to perform tasks.
Sent from my GT-I9100 using xda app-developers app
Yes worth every penny, I'm using the 3500 its being very helpful for almost a year
Send from my 2.3.3 GT-I9100 premium xda
fishingfon said:
Hi all,
i have a I9100, but the battery life is really bad, ihave to charge it up about 3 times a day.
Click to expand...
Click to collapse
I think your battery is faulty... try out a new one.
Declan79 said:
Yes worth every penny, I'm using the 3500 its being very helpful for almost a year
Click to expand...
Click to collapse
I got the same... but it makes the phone look like a "boat"... and it's very heavy indeed...
fishingfon said:
Hi,
I use cm9 and siyah kernel, with the profile set to battery, the second cpu core disabled, and lots of other mods to make the battery last longer, but it won't get me fast 5 or six hours.
Is the battery life in the screens normal?.
And u did Google it first, but I couldn't find an answer
Thanks heaps
Cheers
Corey
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
Its kinda logical your battery don't last very long.... I mean your phone never sleeps. Its almost awake all the time!
I advise u to try betterbatterystats to find out what is keeping your phone awake all the time.....
And u probely don't wanna hear this but if u can't find anything wit BBS then try a fresh install , don't install apps or do any tweaking, and keep away from changing any kernel settings..
Sent from my GT-I9100 using xda app-developers app
I think the original samsung extended battery is very good. My sgs2 without juice defender have a 16h standby with exchange push mails.
spookhc said:
Dude,if you're not using airplane mode ,then the problem with your battery is bad network signal.On your screenshots i can see that most of the time you have no network.When you have no signal ,the phone works to find it,thus eating the battery.
Click to expand...
Click to collapse
Based on his screen shoot he's in airplane made 90% of the time... His mobile sign would be red if there was no cellular connection.
On the side note regarding the battery it might be that you might need a new battery try the 2000mah one it gives me 5hrs of screen time with around 20hrs of total use on AOKP. If not there are plenty of 3000mah batteries available that can boots your battery life tremendously and increase the bulk of your phone, and you decide. Btw based on what you said 9 hrs of sitting in front of your phone is not normal in one day. You don't even need bb to see what's causing the wake locks.... It's clearly the user the screen time on is consistent with the wake locks.
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
yep 6 hours with screen all the time on and wifi its normal.
Salatschlachter said:
I think your battery is faulty... try out a new one.
I got the same... but it makes the phone look like a "boat"... and it's very heavy indeed...
Click to expand...
Click to collapse
i'm using this bumper when 3500mah attached (1st photo from the right)
help to time t charge

Charging from 40%??

I am only able to use up to 60% of the battery everyday. If i dont charge it overnight, it doesnt last the next day. So the question is, it is okay to charge it up from 40% every night? I used to put my DesireHD overnight on the charher and it didnt give any problems but it was almost out of juice after that much time.
So can i put my note2 for charging from 40% overnight everynight?
Thanks in advance.
Shamps..
Sent from my GT-N7100 using xda app-developers app
Shouldn't cause too many problems but it is important to run the battery completely flat occasionally - this prolongs the life of the battery - charging from 40% all the time will shorten the lifespan of your battery but not immediately - I virtually never charge from fully flat on any of my devices and still have yet to see drastic battery life reduction, besides if the battery does eventually start to fail new ones are cheap and thankfully very easy to replace ;0)
EmergencyMedic said:
Shouldn't cause too many problems but it is important to run the battery completely flat occasionally - this prolongs the life of the battery - charging from 40% all the time will shorten the lifespan of your battery but not immediately - I virtually never charge from fully flat on any of my devices and still have yet to see drastic battery life reduction, besides if the battery does eventually start to fail new ones are cheap and thankfully very easy to replace ;0)
Click to expand...
Click to collapse
Wait a second...did you just said that it's good to drain your battery till completely flat...but then, you have never done this to any of your phones???
Sent from my GT-N7100 using xda premium
I believe it's better to not fully drain the battery before charging as frequent full discharges will shorten the life if Li-Ion batteries.
The only reason to do a full discharge maybe once a month is to calibrate the phone software (not to calibrate the battery per se, as it doesn't work with Li Ion).
So it is better to not let the battery drain fully before you charge it on a daily basis.
DMax99 said:
Wait a second...did you just said that it's good to drain your battery till completely flat...but then, you have never done this to any of your phones???
Sent from my GT-N7100 using xda premium
Click to expand...
Click to collapse
Yeah that's exactly what I said - what's right and what I do don't have to be the same thing - it's like teaching kids - do what I say, not what I do lol.
What I am stating is what battery manufacturers recommend, but I'm also stating that, despite not following the recommendations, I've never had a problem with battery life (in modern phones/gadgets) despite not following the manufacturers recommendations
Hello
chking mails drains my battery on S3
does anyone else have heavy Internet usage ?
& does the Note 2 last them all day
waiting for the Power case for Nite 2
No memory effect on theses batterys charge it when ever
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ilordvader said:
Hello
chking mails drains my battery on S3
does anyone else have heavy Internet usage ?
& does the Note 2 last them all day
waiting for the Power case for Nite 2
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My note 2 lasts all day! I play heavy graphic games, wifi on all day, mails, messaging and much more.
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[Q] The WORST battery life for 3800 mah battery

i have the extended battery of 3800 mah. but im still having bad battery life. ive tried all the basic things to fix this problem. (sync off, location off, 4g off, etc) i even put on airplane mode but i can only reach up to about 2 hours on screen time. my bro has a note 3 with a 3100mah battery. why can he last the whole day and i cant even last 5 hours on battery? i even tried using titanium backup to remove google now launcher and google search as this also eats up battery. what else options can i use. (i used wakelock detector and app permissions to stop wakes) thanks.
What rom are you using and which kernel? Also what settings do you use? Any overclock?
Sent from my Galaxy Nexus using XDA Free mobile app
Thanks for the speedy reply! Currently I'm at resurrection remix 5.1.1 (latest) using fancy kernel r50. CPU over clocked at 1.3 (not a big difference) and govoner is ondomandplus. Scheduler is sioplus. And read ahead buffer size 1024. That photo is the amount of time my battery dropped a percent.... Sometimes I catch it slippin. And it drop 2 percent. Then when I lock my screen for about 30minutes it goes up 2%. And yes. I wiped battery stats. But still to no avail. GPU clocked at 512 BTW. I have the multi core power saving on too. Set to 2. I use greenify to sleep apps also. Any ideas?
Sent from my Galaxy Nexus using XDA Free mobile app
The thing with extended batteries is very often their actual capacities are far less than what they quoted. I suggest you try getting hold of the official extended battery (I can't remember the actual mAh maybe 2100) as with it my phone could last from 2.5 - 3 hours of on screen time, depending on the ROM and kernel.
jkleo said:
The thing with extended batteries is very often their actual capacities are far less than what they quoted. I suggest you try getting hold of the official extended battery (I can't remember the actual mAh maybe 2100) as with it my phone could last from 2.5 - 3 hours of on screen time, depending on the ROM and kernel.
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What ROM and kernel are you using ?
MonstaSaleens said:
What ROM and kernel are you using ?
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Was using CM11 M releases until the theme engine bug introduced in the recent M6 build. So I have been trying out different ROMs and SlimKat has been the most stable. The SlimKat stock kernel is good enough otherwise Fancy Kernel is a stable and better choice.
Here are screenshots of a day of quite heavy usage while connected to the WiFi with the latest stable SlimKat Build 5 with its own kernel, using the Galaxy Nexus official extended battery that is 2000mAh. 2 hours 45 mins with 30% left to go.
By the way I rebooted the phone twice to change the LCD density as shown in the graph.
I manage to get 3 hr sot and 1 day uptime with vanir and its stock kernel. Maybe the gpu @512 mhz and the "power hungry" io scheduler are killing it. Try some tweaking. A diffrent governor and tunables. Try Nephilims settings.
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I'll turn my phone off at 45% at night and wake up and it'll be dead so you guys all have better battery life than me. I'm on fork my life (omni) without any kernels
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jkleo said:
The thing with extended batteries is very often their actual capacities are far less than what they quoted. I suggest you try getting hold of the official extended battery (I can't remember the actual mAh maybe 2100) as with it my phone could last from 2.5 - 3 hours of on screen time, depending on the ROM and kernel.
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It was $10 on eBay is that legit? XD and I managed to get 3 hours screen on time with this battery before. Now I can't. And this battery doesn't have a company name ?
mrgnex said:
I manage to get 3 hr sot and 1 day uptime with vanir and its stock kernel. Maybe the gpu @512 mhz and the "power hungry" io scheduler are killing it. Try some tweaking. A diffrent governor and tunables. Try Nephilims settings.
Sent from my Galaxy Nexus using XDA Free mobile app
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Vanir has always been so bad with battery life for me. Stock battery and extended. Dies in 1 hour for stock battery. And dies in about 2-3 hours with extended. Very little sot. About 20 min
MonstaSaleens said:
It was $10 on eBay is that legit? XD and I managed to get 3 hours screen on time with this battery before. Now I can't. And this battery doesn't have a company name ?
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Wow I don't think it's very legit. It could be just above 2000mAh in real life and then couldn't hold as much charge after a while that's why the battery drained so fast. Not to mention the risks of using dodgy batteries [emoji46]
I think I bought mine from a Korean eBay seller for at least $30 or more. The battery is also NFC-enabled and comes with a back that added a bit of thickness so most gel cases could fit.
---------- Post added at 01:53 AM ---------- Previous post was at 01:49 AM ----------
One other thing to note is that even with genuine batteries they will start to lose charge or can't hold charge like it used to after 2-3 years. That's why I think phones with removable batteries are better especially if you plan to use them for up to 5 years. You can just get a new battery after 2-3 years
jkleo said:
Wow I don't think it's very legit. It could be just above 2000mAh in real life and then couldn't hold as much charge after a while that's why the battery drained so fast. Not to mention the risks of using dodgy batteries [emoji46]
I think I bought mine from a Korean eBay seller for at least $30 or more. The battery is also NFC-enabled and comes with a back that added a bit of thickness so most gel cases could fit.
---------- Post added at 01:53 AM ---------- Previous post was at 01:49 AM ----------
One other thing to note is that even with genuine batteries they will start to lose charge or can't hold charge like it used to after 2-3 years. That's why I think phones with removable batteries are better especially if you plan to use them for up to 5 years. You can just get a new battery after 2-3 years
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I'm not really worried about this that much. Because I will be having an upgrade in august. So I guess I'll keep this battery I have. But I am getting decent battery right now with pacman ROM with stock kernel. With some init.d battery tweaks built into the ROM. And using app opps
MonstaSaleens said:
I'm not really worried about this that much. Because I will be having an upgrade in august. So I guess I'll keep this battery I have. But I am getting decent battery right now with pacman ROM with stock kernel. With some init.d battery tweaks built into the ROM. And using app opps
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That's good. Just hold on till August then! [emoji106]

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