battery help!? - Samsung Galaxy Nexus

hello people!,
So my battery takes about 9 hours to get up to 90% from just 30%?
and decreases rapidly!? WHY!?
I am rooted with a custom rom and my cpu is set about 1ghz which is less than stock!?
is there a way to fix this!? as all battery calibrations require you to charge up to 100% first and i cant!? :L
HELP!?
Please and thank you

Buy a new battery.
Sent from my Galaxy Nexus

Or get a new charger . the decreases rapidly is normal lol well for me it is
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i let my battery run out then charged it.... runs like a treat now!

Yeah that's what I've always had to do. Doesn't hurt to do it maybe once every month or two.
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Related

Please help me with my Nexus

How do I get this phone to hold a charge for a day? Right now I get about 6 hours of battery life if I am lucky on decent use.
It is rooted on a black ice rom, running that Franco kernel. Is there something that I am not doing? Do I have to overclock it or?
I seriously almost traded it it for an iPhone just because of the battery issue. Like, it drives me insane and it takes away my freedom lol
Any help would be great
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if you're only getting 6 hours, then you're a heavy user. Not much you can do about that, except use your phone less or charge it more.
Run stock for a while...
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I'm on sprint and out of the box it was bad bad battery life. I'm sticking with it though hoping someone comes up with a way to get better life out of it.
Use an app like CPUSpy to see if your CPU is ever going into Deep Sleep mode, and an app like BetterBatteryStats to figure out why not. You can also look at Settings > Battery to see what's using up your battery. Tapping the graph at the top may give you more details.
I really am not a heavy user.
So switch it back to stock?
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Usage varies man .. i have decent battery life so far with Franco 185 linaro with AOKP linaro rom. I keep the governor set to conservative . And I do overclock as much as I can ...might even be better if I didn't do that . But I get around 10- 14 hours on that setup . I text a good bit and twitter occasionally but spend most of my time on flud news reader. If you stream music all day or Netflix or something then you aren't going to get great battery life .
Make sure your screen brightness isn't high when you don't need it to be ..since the screen is generally what uses the most battery .
My best battery was with lean kernel and slim rom 4 ...but since I went to this new linaro I will forfeit a little battery for fluidity.
The key is just to experiment. There are lots of combos out there and they all work differently for us. There isn't exactly a one stop solution . Just tinker and you will find the light
Ps: I have the 2200 extended battery from Verizon . It is a necessity if you wanna get normal usage. They are listed at forty bucks or something through Verizon ...but if you go to the store they sell them for 20.
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Best solution would be to get an extended battery to last you the whole day or an extra cheap one to swap with at the middle of the day
What is your screen on time?
Verizon user?
Sent from my Cyanogenmodded GNex
Ohleo said:
So switch it back to stock?
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Click to expand...
Click to collapse
Yes, do this before blaming the phone. Also pay attention to the apps you install and see if any of them are causing the problem. Stock roms are usually less buggy than custom roms.
You would also get more help with your Question in the actual Q&A section.
Thread Moved
FNM
Sent from my SPH-D700 using xda premium
Yes I am on Verizon
And how do I check my on screen time?
And I just noticed that my brightness was half way lol.
And that battery idea is good. I will just get an extra one and keep it in my wallet.
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mwalt2 said:
Yes, do this before blaming the phone. Also pay attention to the apps you install and see if any of them are causing the problem. Stock roms are usually less buggy than custom roms.
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Click to collapse
Oh I am not blaming the phone. I love this phone lol, I just want better battery life. I came in here to get help and I have received it
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turn off LTE unless you really need it.
Ohleo said:
Yes I am on Verizon
And how do I check my on screen time?
And I just noticed that my brightness was half way lol.
And that battery idea is good. I will just get an extra one and keep it in my wallet.
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
*ahem*
codesplice said:
Use an app like CPUSpy to see if your CPU is ever going into Deep Sleep mode, and an app like BetterBatteryStats to figure out why not. You can also look at Settings > Battery to see what's using up your battery. Tapping the graph at the top may give you more details.
Click to expand...
Click to collapse
Thanks everyone
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Fully charged @ 96% all of the sudden?

So for whatever reason my phone now says it's fully charged @ 96% instead of 100%.
Anyone know why that would happen? Thanks up front for your input..
Sent from my Galaxy Nexus using xda app-developers app
Sounds like a BLX script kicking in (BatteryLifeXtender) to give your battery the longest physical run time. Are you using a custom kernel of any sort?
I believe that it's normal for your phone to get charged to 100% and dropping some before it starts charging again.
Swiftkey'ed on my CM9 Galaxy Nexus
Hava you flashed a kernel?
Flashing some kinds of kernel may change it,WIPE and reflash a stock kernel will repair.A fake battery may also be the reason,test the phone with a new battery to see whether the old battery is fake
Franco kernel, stock battery so I don't know?
I haven't changed anything recently except I updated the Franco nightly to 196..
It just recently started being fully charged @ 96% in the past couple days. I've had my G Nex for almost a month now. Running Gummy and Franco Kernel from the gate?
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DSinfinite said:
Franco kernel, stock battery so I don't know?
I haven't changed anything recently except I updated the Franco nightly to 196..
It just recently started being fully charged @ 96% in the past couple days. I've had my G Nex for almost a month now. Running Gummy and Franco Kernel from the gate?
Sent from my Galaxy Nexus using xda app-developers app
Click to expand...
Click to collapse
Franco has blx in his kernels, its normal don't worry. Its to help your battery keep its strength. All is good
Sent from my Galaxy Nexus using Tapatalk 2
http://forum.xda-developers.com/showpost.php?p=27824175&postcount=20542
Herman76 said:
I believe that it's normal for your phone to get charged to 100% and dropping some before it starts charging again.
Swiftkey'ed on my CM9 Galaxy Nexus
Click to expand...
Click to collapse
Please reiterate? Because it never started doing this until a couple days ago.
Thanks
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DSinfinite said:
Please reiterate? Because it never started doing this until a couple days ago.
Thanks
Sent from my Galaxy Nexus using xda app-developers app
Click to expand...
Click to collapse
I think what he's saying is that even stock kernels charge to 100% then even while plugged in will stop charging and drop to about 96 and continue charging again even though the lock screen still says charged. This prevents overcharging. But as the other post says Franco kernel has a script that says the battery is full at 96%. You can change that with his app.
Sent from my Galaxy Nexus using xda app-developers app
That's how phones and laptops charge, actually. They usually stop at some predetermined level under 100%... my laptop stops at 80%, most Android phones stop around 96%. The manufacturer often displays this percentage as 100% to prevent user confusion, a lot of custom rom/kernel devs force the battery reading to be accurate though.
The reason behind the battery not charging all the way to 100% is going to either extreme, 100% or 0%, shortens the overall life of Lithium Ion batteries.
TL;DR: Don't worry about it.
Theshawty said:
Sounds like a BLX script kicking in (BatteryLifeXtender) to give your battery the longest physical run time. Are you using a custom kernel of any sort?
Click to expand...
Click to collapse
This.

Fantastic battery life on 4.2

Battery life is very good compared to the previous releases. I ran for forty minutes with Bluetooth turned on while listening to tune in radio and using endomondo app. Google now turned on. I lost fifteen percent compared to losing 35% with similar usage. Very satisfied.
What do you think?
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Sent from my Galaxy Nexus using xda premium
Why would you make a thread linking to a post you made in another thread?
Bit unnecessary. To answer the question it's too early for me to thoroughly test battery life.
Bump
Sent from my Galaxy Nexus using xda premium
thats not fantastic at all...
I would wait for at least 2 complete battery cycles to make a thread like this.
ssvijay said:
I would wait for at least 2 complete battery cycles to make a thread like this.
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Click to collapse
Ditto. My phone ran like a champ on a freshly flashed ROM. Then my phone realized it was born as a Verizon-Nexus mutt and had a psychological breakdown to the point of 1.75 hours of on-screen time the day after.
Twas a sad day
I'm reading my work email over the exchange service account. After upgrde to 4.2 the exchange service process eats my whole battery so I can't tell about any improvement.
True
Sent from my Galaxy Nexus using xda premium
When it comes to battery life (in general, though especially true with this newest release), it's crazy how many divergent opinions you get. Some people claim to get amazing battery life (exactly what quantifies for amazing?) and some people claim the battery life is crap. This is just to remind you that unless you have a good way of measuring battery life, your measurements can be plus/minus hour(s). Someone who just leaves their phone on a black screen with no wi-fi and cell may get 10 hours of screen-on time. Someone who is watching videos with cell/wi-fi might only get 2 hours of screen-on time.
In the future, I can make two recommendations:
Always report a complete cycle (from 100% to close to 0%). This is because the battery does not discharge at a constant rate.
Always report screen on time
Average for GNexus in previous builds was 2-4 hours. I've no idea about the plus/minus, but they tend not to be under 2 and over 4 with moderate usage. I think an average of 3-3.5 hours is what most people are happy to report.
And that is really sad because my old atrix used to get over 8 hours on Wi-Fi with over twelve hours of standby time. I wish they would make this phone but with a smaller screen size. The technology used on this phone is not battery efficient at all.
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modgadgets said:
True
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Click to collapse
This tells us nothing....u don't show ur screen on time and uve been charging off and on..
Battery life in sleep mode is worse for me. I am losing 3% an hour with the screen off, I used to lose only 3% total overnight with the screen off not per hour. I tested this over the last 4 hours only waking the tablet up long enough to check the battery level and it has gone down by 3% each time. Nothing has changed with any apps or setting since I upgraded from 4.1.2 to 4.2. I got concerned when I noticed this morning that my battery was over 15% less then when I went to sleep. Anyone else notice this?
This is very good battery by my standards.
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Soldier 2.0 said:
This is very good battery by my standards.
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Click to collapse
Not great by mine....and I have an LTE GNex
This is my battery life stats after using 4.2 for 2 days... Is it good?
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The screen on time is good but not much of an improvement. Also it appears you had WiFi off for most of the time.
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Last shot before my battery dies...
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re
50% left 23h 11m on baterry. wifi and location on all the time and 10% wasted on need for speed most wanted also. brightnes at 80% aprox. im very pleased with the baterry really maybe becouse the phone is relatively brand new and the battery still very fresh allways charging with care after discharge not on and off the charger all the time
yeah using the 4.2 factory image with trinity a4 and getting great battery life

[Q] Charging Overnight

Hello!
I just bought my note ii and the phone its awesome! I just wanna ask if there is a problem charging the phone overnight?
Thanks in advance!
No. It will be fine. That what I do all the time when battery hits 1%
Sent from my SGH-I747 using xda app-developers app
No problem. I charge every night regardless of percentage.
Although if it's like 90 or higher i just leave it til next day.
I like to make sure i have a full battery each day instead of charging as little as possible like other people
Sent from my GT-N7100 using xda premium

Note 2 charging in only one hour !

A friend of mine told me that his Note 2 GT N7100 is charging from 20% to loo % in only one hour.
the Battery usage is Normal as it withstand 10 hours with heavy usage.
He bought it a month ago.
Is this normal or he should go back to the reseller?
He is using original charger by the way.
thanks for your help.
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Iso Man said:
A friend of mine told me that his Note 2 GT N7100 is charging from 20% to loo % in only one hour.
the Battery usage is Normal as it withstand 10 hours with heavy usage.
He bought it a month ago.
Is this normal or he should go back to the reseller?
He is using original charger by the way.
thanks for your help.
Sent from my GT-N7100 using xda premium
Click to expand...
Click to collapse
Firstly install Galaxy Current widget and check the current that is getting transferred how much Volts, Make sure you try this with the Wall out let as well as USB from your pc and make a note of it and let XDA know here and we will suggest if there is any problem or not.
also mention if its complete Stock or Rooted and What Mods are implemented ?
Ok I'll do this first and let u know.
Thanks a lot.
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i have to charge my note2 for 4 - 5 hours.
Is it normal? i want to charge faster. What should i do?ยด
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Average normal charging time from 0 to 100percent is 2hours, regardless of the rom, from an AC wall charger. And about 4hours from a USB connected to the computer. 1hour is very unusual, I would suggest doing a full system wipe and reinstall the rom. If the charger is delivering above normal current then it may damage the battery in the long run.
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