Battery life - Nexus 7 Q&A, Help & Troubleshooting

Hello I got this nexus 4 days ago and read it battery life suppose to be around 10 hour but I know it will be less. I'm getting about five. Curious what's everyone else is getting. Please post your battery life here.
Sent from my Nexus 7 using xda premium

I am described as a power user. I could engage in some heavy browsing and gaming and having the screen on all day and then let the tablet sit overnight off the charger, but I'd have to charge it late noon the next day. I usually land in the 1 day 2-8 hours range according to system battery stats. If you believe your battery sucks, roll back to 4.1.2 and your life will be phenomenal!

I'm not sure what tricks those users with 10hrs SOT have done, but I never managed to get more than about 6-7 hrs SOT. I thinks those highest results have been done with wifi off, brightness at lowest level and sounds off etc...
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Related

Battery life not that great?

Hi guys, I didn't see a thread about battery life, so I thought I'd start one to see how other people's battery life was.
I have an unrooted nexus 7 and after using it a few weeks I finally decided to see how long the battery would last before dying. I wasn't very impressed.
My battery lasted 3 days and 12 hours with 5 hours of screen on time. I didn't use it heavily or anything. Light browsing, a little bit of reading, almost no videos, no music, screen brightness at "low" setting and I even have the wifi turned off when the device is asleep! That seems pretty underwhelming to me. I am syncing 3 gmail accounts though, so maybe that is it. I'm just suprised by the 5 hours of screen time. I thought this thing was supposed to do 9 or 10 hours (that's what some of the reviews like Engadget said). No?
What is your battery life like? Is this normal?
So you got over 3 days of battery life? That seems pretty good... im a little confused when you say 9 to10 hours at the end of your post though.
.:: Nexus 7 :: ParanoidAndroid :: JB ::.
I am able to only get 6 hours off my Nexus 7. I play 1 hour of games and the rest is browsing. Sometimes I watch videos, but even without, I can't seem to get more than 6 hours on low brightness.
To people are are getting 8-10 hours, did you let your battery drop to nearly dead? I have never let mine drop below 25% except for one time. Some people reported their N7 died at 20% so I let mine reach that percentage.
alexthearmo said:
Hi guys, I didn't see a thread about battery life, so I thought I'd start one to see how other people's battery life was.
Click to expand...
Click to collapse
Lol, obviously not looking hard enough
Plenty of threads about battery life, gotta love that search box!
Sent from my Nexus 7
Lol 3.5 days with 5 hours of battery life is pretty good. The 8-9 hour estimate doesn't account for 3.5 days worth of idle drain. You can get 10 hours if you use it for 10 straight.
Sent from my Nexus 7 using xda premium
Metallice said:
Lol 3.5 days with 5 hours of battery life is pretty good. The 8-9 hour estimate doesn't account for 3.5 days worth of idle drain. You can get 10 hours if you use it for 10 straight.
Sent from my Nexus 7 using xda premium
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+1, I too was disappointed to see that I was getting "only" 5-6 hours screen time with my 2-3 days usage.
So I dug a little deeper and found that all the 9-10 hour battery life reports was the device being used constantly over around a day.
I guess the idle time and sleep walking the device does kind of effects the battery life. Same with my phone, the beast Incredible S, in 1 day I can get 4-4.5 hours screen time, but if I stretch it over 2 days it only gives me 3 1/2
So I agree about the idle thing
Luminosité at 10%...
it's a 7" anyway(smaller battery to fit in)... can't ask for more.

Standby Times?

Hey everyone,
Standby time is probably one of the most important features in a ROM/Kernel combination and its idle time is important to me.
This is due to the fact I work most days, until evening and by the time I get home, I have a couple of hours to kill.
Which is usually food, wash and chill.
On stock, I was averaging about 2 days, with 2.5% drain an hour, on standby.
I flashed PA 2.54 and Faux kernel and HOLYCRAP am I impressed,
0.8% drain an hour on idle.
Just out of curiosity, is this a good average?
Are their better kernels for battery time than Faux, as I was going to try Motley but Faux has impressed.
What do you guys aim for in Idle time?
Thanks,
Wilks3y
Wilks3y said:
Hey everyone,
Standby time is probably one of the most important features in a ROM/Kernel combination and its idle time is important to me.
This is due to the fact I work most days, until evening and by the time I get home, I have a couple of hours to kill.
Which is usually food, wash and chill.
On stock, I was averaging about 2 days, with 2.5% drain an hour, on standby.
I flashed PA 2.54 and Faux kernel and HOLYCRAP am I impressed,
0.8% drain an hour on idle.
Just out of curiosity, is this a good average?
Are their better kernels for battery time than Faux, as I was going to try Motley but Faux has impressed.
What do you guys aim for in Idle time?
Thanks,
Wilks3y
Click to expand...
Click to collapse
Wifi off I can go 8+ hours and it still registers 100%. When my N7 is asleep, the battery usage graph is absolutely flat.
I haven't let it sit around for days at a time, but when I'm busy or doing other things, flat.
khaytsus said:
Wifi off I can go 8+ hours and it still registers 100%. When my N7 is asleep, the battery usage graph is absolutely flat.
I haven't let it sit around for days at a time, but when I'm busy or doing other things, flat.
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Click to collapse
Are you using 4.2.1? I just came from 4.1 and 4.2 needs serious improvements.
Sent from my Rooted Gameboy
osmosizzz said:
Are you using 4.2.1? I just came from 4.1 and 4.2 needs serious improvements.
Sent from my Rooted Gameboy
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Click to collapse
I'm using completely stock unrooted 4.2.1 and can say no, when it comes to standby battery there's basically no room for improvement. I don't have anything syncing in background (that's what my G'nex is for) and don't lose any battery during idle. I can leave it setting for several hours (as in more than 6) at a time and when I check it the most battery loss I've ever seen is 2%. And that's when the battery is below 50% already, if I start at 100 it won't move for 9+ hours of standby.
Sent from my Nexus 7 using xda premium
95Z28 said:
I'm using completely stock unrooted 4.2.1 and can say no, when it comes to standby battery there's basically no room for improvement. I don't have anything syncing in background (that's what my G'nex is for) and don't lose any battery during idle. I can leave it setting for several hours (as in more than 6) at a time and when I check it the most battery loss I've ever seen is 2%. And that's when the battery is below 50% already, if I start at 100 it won't move for 9+ hours of standby.
Sent from my Nexus 7 using xda premium
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Click to collapse
Im on PA 2.54, which is 4.1 based.
I would love to know how you guys are getting no loss through idle time?
Care to explain some tips?
thanks
I have mine on airplane mode and i come back after work on a fully charged tablet and it's down to 82 percent.
Sent from my EVO using xda app-developers app
Have to say the idle time is pretty stellar for me. I use the N7 for a monitor on my stedicam suit. Even with full day of monitoring once she goes to sleep I can almost anticipate 1% drop an hour.
Best settings are the airplane with 30% brightness.
When I'm rocking and rolling full brightness with monitoring HD through otg USB power is still reliable.
Sent from my Nexus 7 using XDA Premium HD app

Nexus 4 Battery Life

Hey Guys,
A bunch of people are complaining about the battery life on Nexus 4. I've been waited for a couple days since I got the device, to have enough confident about the battery before I make any post here. Yes, the phone battery drain pretty fast on the first few cycles. After a bunch more charges later, let me tell this, the battery life did get significantly better. It lasted about 10-15 hr depends on the load of the usage.
Here is my typical day, off the charge at 100% in the morning, listen to a few songs, checking emails, and messages while getting ready for school. About an 30mn to 1hr of internet browser and youtube videos while on the bus. By 1-2pm the battery drop the about 70-80%. I put the phone in silent mood til i'm done with all my classes. On the way back home on the bus, I listened to a bunch of music, web browsing, maybe a few phone calls, texts or games.
Compare to my old phone, Samsung Galaxy S2 T989, im impressed with the Nexus 4 battery life. My Galaxy S2 battery always die on the bus coming back home. What I'm trying to get at: if you're a light to medium user like me, then get this phone. I was hesitate at first because I always have bad experience with android battery life. But Google seem to get its OS right with this nexus device, mainly because the battery drain minimum while in sleeping mood.
Can you post your Nexus 4 battery performance screenshot if you have been using the phone for more than a few days ?
Is there supposed to be a question being asked? Or a statement as this is in the Q&A forum.
I agree with you on many points. People need to wait at least 5 to 7 days for the battery charge to fully kick in. The first days mean absolutely nothing as it is still being aligned plus the user is still installing apps and setting up their phone.
There are some notable problems in the default kernel that uses more battery Usage than normal too.
Sent from my Nexus 4 using xda premium
From full battery to this overnight + breakfast usage. Rasbean + Matr1x v3.0. Never seen anything like it. Coming from the GN, this phone is a different dimension altogether. On any aspect..
Had phone for 5 days. Drained phone to 10% then fully charged. Moderate to light use made it through a day.
Stock rooted + Franco Kernel.
Sent from my Nexus 4 using xda app-developers app
Had phone for 5 days. Drained phone to 10% then fully charged. Moderate to light use made it through a day.
Stock rooted + Franco Kernel.
Sent from my Nexus 4 using xda app-developers app
can someone post how the battery drain is wihr stock kernel with normal using phone ?
what do you think?
Getting this i am on stock kernel and stock rom
is it low?
rhut_tiger said:
Getting this i am on stock kernel and stock rom
is it low?
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Click to collapse
Depends on how much screen time you got, which you didn't show us.
The trick is to be careful about using mobile data when signal is bad, I switch to WiFi when home to avoid unnecessary battery drain.
Sent from my Nexus 4 using xda app-developers app
What is this obsession for battery life, it lasts me well through the day with moderate/heavy use. I charge it at night (if needed) and unless you are homeleless this shouldn`t be a problem. It`s a great phone and i enjoy using it.
gee2012 said:
What is this obsession for battery life, it lasts me well through the day with moderate/heavy use. I charge it at night (if needed) and unless you are homeleless this shouldn`t be a problem. It`s a great phone and i enjoy using it.
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Click to collapse
I thought the same until my N4 actually arrived, it seems battery life is abysmal compared to my Optimus 2x which didnt have anything really spectacular in regards to battery size. On my O2x I could get 1.5 - 2.5 days depending on use, hitting atleast 1 .5 which was good and acceptable for me (I can charge at night anyways) however my N4 doesnt even reach 13 hours on similar usage!.
I am quite a light users of smartphones however I do like to have a power phone when it comes to using it on the basis of smoothness and capabilities if I need to say do work on my phone, I rarely play games though. Main usage is 2 email accounts on poll 1 hour steps, a third account that is an exchange server and polls in 30 minute steps and thats about it with some brief browsing and a handful of texts (been a quite time since I got my N4), this is less usage than my O2x and yet it still performs alot worse!
I was hoping of staying with stock as I was expecting it to finally be good, comparing it to LG stock attempts it is but battery life isnt . I will be trying the combo Vangelis13 mentioned, raspbean and matr1x kernel as that seems like a great mix however Parandroid has been on the table and it seems like alot of being are getting good results so I will try it soon .
If I can get more than a day of usage I would be really happy, if I was playing games or doing really heavy tasks I wouldnt expect it to last but right now it is doing pretty much nothing and dieing far to fast!.
One thing I've noticed since coming to N4 from S2 is that phone calls drain battery much more significantly on the N4. I could make an hour long call on my S2 and it would use no more than a couple of percent battery but the N4 used 15% for an hour long phone call the other night.
If I didn't own a nexus 4 and came to this thread to find out about it's battery life I would expect it to be good.
Point is you guys are misinforming everyone. The battery is mediocre and that's it.
It won't last a full day if you use it constantly and I do need two charges / day many times.
Let me put it this way, you will only get roughly 3 hours of screen time on stock everything. If that is good for you then it's will have good battery life, if not then you will say it's got poor battery life.
chrisastrous said:
If I didn't own a nexus 4 and came to this thread to find out about it's battery life I would expect it to be good.
Point is you guys are misinforming everyone. The battery is mediocre and that's it.
It won't last a full day if you use it constantly and I do need two charges / day many times.
Let me put it this way, you will only get roughly 3 hours of screen time on stock everything. If that is good for you then it's will have good battery life, if not then you will say it's got poor battery life.
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It's always incredibly funny when someone comes in saying everyone else's subjective battery advice is bad then claims his subjective battery advice as correct.
Sent from my Nexus 4 using Tapatalk 2
joshnichols189 said:
It's always incredibly funny when someone comes in saying everyone else's subjective battery advice is bad then claims his subjective battery advice as correct.
Sent from my Nexus 4 using Tapatalk 2
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You clearly misunderstood my post. Food you even read it?
There is nothing subjective about 3 hours screen time.
My battery is fine.
Sent from my Nexus 4 using xda app-developers app
madmike413 said:
My battery is fine.
Sent from my Nexus 4 using xda app-developers app
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madmike413!!!
How do you got this battery life?!!
mine is insanely bad with trinity kernel and toolbox and paranoid android.
thanks..
StayGreen said:
madmike413!!!
How do you got this battery life?!!
mine is insanely bad with trinity kernel and toolbox and paranoid android.
thanks..
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His phone was mostly on standby/deep sleep mode. That's how it lasted 2days.
Sent from my Nexus 4 using Tapatalk 2
chrisastrous said:
If I didn't own a nexus 4 and came to this thread to find out about it's battery life I would expect it to be good.
Point is you guys are misinforming everyone. The battery is mediocre and that's it.
It won't last a full day if you use it constantly and I do need two charges / day many times.
Let me put it this way, you will only get roughly 3 hours of screen time on stock everything. If that is good for you then it's will have good battery life, if not then you will say it's got poor battery life.
Click to expand...
Click to collapse
+1
you are perfectly right.
I come from an iPhone 4s, which I changed because the battery life wasn´t that great and I thought it was time to try something new.
Got the N4 last friday and played around with it during the weekend.
Monday, tuesday and wednesday this week... none of these days I´ve been able to come back home with the phone still on.
I wake up at 7.30am and I usually am back home at 6pm.
In my opinion, and honestly should be in everyone´s opinion, 10 hours of battery life are unacceptable, whatever the usage is (considering that 7.30 of those 10 hours I was at work)
I have till friday this week to return it, which is a pity because the phone is great
i get 5-6 hours sot..
rom is omnirom 5.1.1 hellscore kernel b73.
100mv undervoltage hellsactive governer.
think 7 would be possible if google services would not take a quarter of the battery.
the screen is not taking that much battery as one would think.
think most issues with battery life come from fake original battery replacements.
had 3-4 sot using "original" battery. but after replacing with real genuine from official lg spare parts shop 5-6...
Sent from my Nexus 4 using XDA Free mobile app

[Q] How is the battery performance?

Hi,
I'm switching from Note 1 to Nexus 4 which should arrive this week. I wonder what the battery performance is like for an average user, does it last alteast a day (10hrs plus) with moderate usage?
Also, I heard glass back issues, does it really needs to be cared for a lot?
I just switched from the note 1 also to the nexus 4. Have had this phone for almost 2 weeks now. Battery life is a lot better than the note. I'm almost always on WiFi. I'm getting about 13+ hours out of the battery. I flashed the Franco kernel and noticed a slight improvement also. Deff a lot better battery life than the note
Sent from my Nexus 4 using xda premium
Battery life is awesome.
I get about five hours screen on time
Sent from my Nexus 4 using xda app-developers app
Right now I'm using the CM nightlities and franco r71 kernel and my battery is pretty good. It easily lasts a day, right now it has about 50% battery with about 10 hours on and 1hr 40min screen time on. I've uploaded a picture of my battery with one of the older nightlies. But some people have really good battery life and others aren't as good, it just depends if you get a lucky phone.
Battery live has been great for me. Easily over 3:30 on-screen time, sometimes 4:00, and less often I hit 4:30. At the end of the day and I usually still have some juice left. I use FrankenKernel and Trinity Four.
Sent from my Nexus 4 using xda premium
Battery life is subjective.
Sent from my Nexus 4 using Tapatalk 2
I can get at least four hours screen on time, sometimes over five, depending on other factors such as signal strength and whether I'm on WiFi or mobile networks.
Just been playing with it for the last hour and this is what it's looking like ... 84‰ battery remaining with one hour eleven minutes of screen time. Connection via mobile networks is usually more taxing though.
Sent from my Nexus 4 using Tapatalk 2
Stock I could go ~12hrs with moderate use and ~18hrs with light use.
With franco kernel r72, I get 2days with light usage (1.5hrs screen on, 1.5hrs call time, auto brightness, wifi on, bt on, gps on, location services on, push for gmail/plume) and a day with moderate use (same as previous with 3-4hrs of pandora streaming and 1hr of video.)
I can reach 2 hours of screen time when entirely on HSDPA or nearly 4 hours entirely on Wifi with stock kernel until the battery hits 25% mark.
With franco or harsh kernel I can reach 2 hours 30 minutes on HSDPA and 4 hours on Wifi until the battery hits 25% mark.
I send a lot of Whatsapp messages and browsing, not much phone call though. I don't measure battery life by phone up time because most of the time it's screen on time that matters.
Battery life seems great for me

Battery Life in Perspective

I am seeing tons of the battery life threads, which to be honest, was expected. and I just wanted to put this in perspective for you guys. Currently, I own a Galaxy Nexus, but I am getting a Moto X within the next few days thanks to Moto's Cyber Monday (Wednesday) deal. My battery life average is about 4.5 hours with 1 hour SOT on a full charge. This is not my bad or minimum. This is my average. I spend half of my workday with my phone off and I never leave a charger behind lol.
So in summary, your battery life is still amazing to me if you get 14 hours with 3 hour SOT or anything better and I am really excited to not carry a charge cable everywhere lol
Adam7986 said:
My battery life average is about 4.5 hours with 1 hour SOT on a full charge.
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I LOLed.
Sent from my XT1053
You should see Moto Gs battery life :|
I am generally happy with battery life. But every so often I will see my battery drain about 30-40% overnight. I assume it is a wifi or cellular issue as it also happened on my gs4 and nexus 4. Never happened on any of my iPhones or windows phones though. I assume android's modem software is just poorly written.
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