Develop Bugs

Battery life with CM9 is AWESOME!!!

No UV, no OC, Franco kernel #7.1, latest CM9 Rom
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Sent from my Galaxy Nexus using XDA App

On screen time of only 7 minutes, but 4 hours unplugged ? That basically means you haven't used the phone much at all. When I am unplugged for 4 hours, I easily have 1 hour on screen time. Lets see your battery life then ?

Agreed. Only 7 minutes on screen is nothing.
Sent from my Galaxy Nexus

I'm using a CM9 Kang and can contest to much improved battery life. From 8am it would be dead by 9pm. Now I have like 30% at midnight.
Galaxy Nexus - 4.0.3 CM9
Asus Transformer - 3.2 Revolver

What makes you think its CM9 ROM? It could be the Franco kernel. I'm using franco kernel on AOKP and battery life is pretty amazing

I get that stock rom and kernel on a f'ing bad day.
Sent from my Galaxy Nexus using xda premium

yeah, i'm getting on average 18 hours of battery life on just stock revolution 2.1.2.
best so far was 17 hours and i was only at 68%. and that was with about 30 minutes of phone calls and maybe an hour of screen on time.

uhh you had the screen on for 7 minutes.
Use it for a few days then come back with a normal 1 day of use.

Its not CM9 its Franco's kernel... I'm running his new 7.1 with Bugless Beast and its amazing battery life
~bjames23
Galaxy Nexus CDMA
Bugless Beast

LOL why do people post "amazing battery life" threads and it clearly shows no use. I been seeing these threads pop up, even with the extended battery someone claiming 24 hours. C-Mon guys, I love my Galaxy Nexus but lets keep it real. I'm not doubting CM9 will improve the battery life but these exaggerated battery life threads are getting annoying.

I think OP and the rest of ppl responding regarding Franco's kernel is standby battery life has significantly improved. Check out the AOS thread...some ppl were losing 3-5% per hour on standby!
Wicked4u2c said:
LOL why do people post "amazing battery life" threads and it clearly shows no use. I been seeing these threads pop up, even with the extended battery someone claiming 24 hours. C-Mon guys, I love my Galaxy Nexus but lets keep it real. I'm not doubting CM9 will improve the battery life but these exaggerated battery life threads are getting annoying.
Click to expand...
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Sent from my Galaxy Nexus using XDA App

yungboss22 said:
No UV, no OC, Franco kernel #7.1, latest CM9 Rom
Sent from my Galaxy Nexus using XDA App
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Click to collapse
Standby time?
That cannot beat my stock kernel and stock rom.
Battery down only 3% from 22:30 until 06:00 in the morning, 7 and a half hour!

republitarian said:
I think OP and the rest of ppl responding regarding Franco's kernel is standby battery life has significantly improved. Check out the AOS thread...some ppl were losing 3-5% per hour on standby!
Sent from my Galaxy Nexus using XDA App
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Click to collapse
3-5%/hr on an Android, even in standby, is great. That means you're getting somewhere between 20 and 33 hours of standby. That's far better than any Android phone I had in the past.

Stockmoose16 said:
3-5%/hr on an Android, even in standby, is great. That means you're getting somewhere between 20 and 33 hours of standby. That's far better than any Android phone I had in the past.
Click to expand...
Click to collapse
Are you kidding? 2 Gmails syncing and light usage gets me insane battery life on a standard battery.
http://i4c.org/9h
http://i4c.org/9j
Over two hours of screen on time and 49 hours on. I actually had to burn the last like 15% so I could get it to die as you can see in the graph. I should of actually pushed it to see how long it would last onto the 3rd day...

Stockmoose16 said:
3-5%/hr on an Android, even in standby, is great. That means you're getting somewhere between 20 and 33 hours of standby. That's far better than any Android phone I had in the past.
Click to expand...
Click to collapse
Not sure if serious....

wonshikee,
what are you rom/kernel are you using if any?

What about this with stock cyanogen kernel and 2hr on screen?
Kang Build 29

IMO the thing we should be concerned with getting down is battery drain while screen is on. I'm completely stock and if I hardly touch the phone (10 minutes of screen on) I can have 85% battery after 12-14 hours on 3g with Bluetooth on (no wifi and I'm on att). But if I calculate my screen on time it's about 3 hours before the phone is getting close to dying, which is pathetic. If we could use some magic kernel or something to get 6 hours of screen time, then I think that's something to be happy about. But unfortunately I don't think that's possible without a giant 3200 mah battery which Samsung probably won't ever release.

ksc6000 said:
IMO the thing we should be concerned with getting down is battery drain while screen is on. I'm completely stock and if I hardly touch the phone (10 minutes of screen on) I can have 85% battery after 12-14 hours on 3g with Bluetooth on (no wifi and I'm on att). But if I calculate my screen on time it's about 3 hours before the phone is getting close to dying, which is pathetic. If we could use some magic kernel or something to get 6 hours of screen time, then I think that's something to be happy about. But unfortunately I don't think that's possible without a giant 3200 mah battery which Samsung probably won't ever release.
Click to expand...
Click to collapse
not gonna happen. you cant change how much power the screen draws. maybe from 3hr->4hr, but thats it. dont pin your hopes on that.

where i can find this rom thanks

Amazing battery life on 4.0.4

I flashed Paul's 4.0.4 ROM a few days ago and my battery life has greatly improved. I wouldn't normally make a new thread about something like this but I've seen a lot of people complain about poor battery life. Hopefully this ROM helps others as much as it helped me. The ROM is still in beta but it's surprisingly stable.
I always keep my brightness at 40%
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Easily doable with WiFi

But.. Your screen on time is only an hour.

WiredPirate said:
But.. Your screen on time is only an hour.
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Maybe so, but neither stock nor 4.0.3 with Franco's kernel has been able to achieve amazingly long idle time and still handle hours of screen time.

WiredPirate said:
But.. Your screen on time is only an hour.
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Click to collapse
Yeah, that's pretty low for a day and a half worth of usage. We already know that the Galaxy Nexus idles like a champ.

He still has 60% left so he's still got a lot of usage out of that charge. Could be looking at 2 days at that rate but yeah you don't really use the phone that much do you.

jetrii said:
Maybe so, but neither stock nor 4.0.3 with Franco's kernel has been able to achieve amazingly long idle time and still handle AN HOUR of screen time.
Click to expand...
Click to collapse
There. I fixed it for you.

WiredPirate said:
There. I fixed it for you.
Click to expand...
Click to collapse
I have 60% battery left. I could easily push that up to 3 hours

jetrii said:
I have 60% battery left. I could easily push that up to 3 hours
Click to expand...
Click to collapse
Very true, but I could never go 24 hours with only one hour of screen on time.. Do you want to share some tips or specifics? Wifi? Whats syncing? Any special apps you are using? Or do you atribute it all to the ROM like you said?

WiredPirate said:
Very true, but I could never go 24 hours with only one hour of screen on time.. Do you want to share some tips or specifics? Wifi? Whats syncing? Any special apps you are using? Or do you atribute it all to the ROM like you said?
Click to expand...
Click to collapse
This bothers me about posts such as these. Look at at my numbers! But what does your setup look like? Rarely answered.
Sent from my Galaxy Nexus using xda premium

I've seen as low as 0-1% battery lost over 8 hours of sleeping before. So that plus WiFi for a full day isn't hard. I've been at 75% battery before with a full 24+ hours used but it was on Wifi with little screen usage and minimal things like texting and short calls and not much else.

jetrii said:
Maybe so, but neither stock nor 4.0.3 with Franco's kernel has been able to achieve amazingly long idle time and still handle hours of screen time.
Click to expand...
Click to collapse
Are you sure?
Check this:
http://forum.xda-developers.com/showpost.php?p=22483407&postcount=11

WiredPirate said:
Very true, but I could never go 24 hours with only one hour of screen on time.. Do you want to share some tips or specifics? Wifi? Whats syncing? Any special apps you are using? Or do you atribute it all to the ROM like you said?
Click to expand...
Click to collapse
BETA1 ROM + 40% brightness settings. Everything is 100% stock.

jetrii said:
BETA1 ROM + 40% brightness settings. Everything is 100% stock.
Click to expand...
Click to collapse
Right that's the information you already provided. I was asking for more if you had it, or had any tips. Never mind.

WiredPirate said:
Right that's the information you already provided. I was asking for more if you had it, or had any tips. Never mind.
Click to expand...
Click to collapse
I would have posted if there was more to post.

jetrii said:
Maybe so, but neither stock nor 4.0.3 with Franco's kernel has been able to achieve amazingly long idle time and still handle hours of screen time.
Click to expand...
Click to collapse
I've managed 2 hours 40 minutes screen on time over 42 hours with eight percent left leaving brightness on auto, using AOKP and Franco 16.2.
I think that's pretty decent.

Live2Follow said:
This bothers me about posts such as these. Look at at my numbers! But what does your setup look like? Rarely answered.
Sent from my Galaxy Nexus using xda premium
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Click to collapse
I second this, another thing is half the time people forget to mention their on AT&T not on Verizon, and they compare their 2 day battery life on GSM to an LTE phone...
My biggest battery hog is exchange syncing every 15 minutes, and with that and LTE with nothing but stock apps in the background I can get 2, 2 1/2 hours of on screen time within a day

Anyone else getting battery the bad?

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Just curious if this is what I should expect
Sprint Running stock with jame bond
Sent from my Galaxy Nexus using Tapatalk 2

How long was your screen on? Have trained the battery? Mine will hang in to that last 5percent for quite awhile before it dies. I get more than 4 hours of screen on time with 2 hours of calls when on wifi.
Sent from my Galaxy Nexus using XDA

tweaks?
screen on/awake times?
usage?
1 screenshot tells us nothing. But that looks pretty bad unless 3 hours of that was screen on time.

martonikaj said:
GSM/LTE?
ROM/kernel/tweaks?
screen on/awake times?
usage?
1 screenshot tells us nothing. But that looks pretty bad unless 3 hours of that was screen on time.
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Click to collapse
He's LTE. It says Sprint stock with James bond kernel in the OP.
Sent from my Galaxy Nexus using XDA

times_infinity said:
He's LTE. It says Sprint stock with James bond kernel in the OP.
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Woops didn't see. Edited.
That's really bad then because he's just on EVDO (3G), not even on LTE assumedly.
We need to see his awake/screen on times. He's probably got some wakelock problems (at least).

Sounds about right. I usually get 6+ hours (heavy usage).
Stock 1750mah.
Sent from my Galaxy Nexus using XDA

Yeah my battery drains super fast when only on 3g. Nothing else running. When i try to actually use it like my last phone the thing drains like crazy. Tried both cm and stock. And diff kernels. I let my battery die and charge it fully over 5 times already. Another thing I noticed. I went to bed with 93% I wake up 8 hrs later. And its drained half way. Mind u its not even being used. I'm confused. the GSM g nex I used to have before used to last over 24 hours for me all the time no problem. If its the same phone. Why are the results so different. Its a huge difference. I find myself having to turn my phone off for a couple hours just so it can last thru my work day without dying on me.
Can it be the 3g that's making it drain so fast? What makes me believe this is when I am on 3g the top part of the back of the phone gets extremely hot. But when I'm on wifi. Its cooler than the other side of the pillow.
Sent from my Galaxy Nexus using XDA

Thread Moved
Please post all questions in Q&A
Thanks
FNM

Smokeey said:
Sounds about right. I usually get 6+ hours (heavy usage).
Stock 1750mah.
Sent from my Galaxy Nexus using XDA
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Click to collapse
Well there is your problem. You are using a 1750 battery when 1850 is stock for Verizon.

droidsrus said:
Yeah my battery drains super fast when only on 3g. Nothing else running. When i try to actually use it like my last phone the thing drains like crazy. Tried both cm and stock. And diff kernels. I let my battery die and charge it fully over 5 times already. Another thing I noticed. I went to bed with 93% I wake up 8 hrs later. And its drained half way. Mind u its not even being used. I'm confused. the GSM g nex I used to have before used to last over 24 hours for me all the time no problem. If its the same phone. Why are the results so different. Its a huge difference. I find myself having to turn my phone off for a couple hours just so it can last thru my work day without dying on me.
Can it be the 3g that's making it drain so fast? What makes me believe this is when I am on 3g the top part of the back of the phone gets extremely hot. But when I'm on wifi. Its cooler than the other side of the pillow.
Sent from my Galaxy Nexus using XDA
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Click to collapse
No. It is something else on your device, or you have it on CDMA/LTE and it is straining for a signal.

adrynalyne said:
No. It is something else on your device, or you have it on CDMA/LTE and it is straining for a signal.
Click to expand...
Click to collapse
Hmm. That mustve been it. I just checked and it was in lte CDma but its funny because I changed it to cdma only before. But I guess it must be going to lte cdma by default every time I flash a new rom and I assumed it would stay in cdma by default. Thanks for reminding me about that. Completely forgot. New to Cdma been GSM for a long time. Hopefully I see a difference in battery life.
Sent from my Galaxy Nexus using XDA

Mine been draining quick but today probably did better ( still not great) but much better
I was walking in some trails the last hour so I had really bad signal too
Sent from my Galaxy Nexus using Tapatalk 2

<1hr on screen time and that kind of drain, unless you're in an area with no bars of any kind and it's constantly searching I would take that battery to the store and have them test it to make sure it's good.

paperhurts said:
<1hr on screen time and that kind of drain, unless you're in an area with no bars of any kind and it's constantly searching I would take that battery to the store and have them test it to make sure it's good.
Click to expand...
Click to collapse
O
Probably will thanks for the info. I been having worse battery life so that's actually better then before. But anyways I will go to sprint
Sent from my Galaxy Nexus using Tapatalk 2

Not impressed
Edit: it dropped another 5% as I posted this

If a post drains 5%, you have issues or need to type faster, by about an hour.

Or how about some heavy Temple Run play while on LTE in a fringe area that drops it a lot? Standard battery overclocked to 1.35ghz at standard voltage. No undervolting at all.

would you mind sharing rom/kernel set up

BAMF Paradigm, kernel and rom.
The repos are on IMM76I, but current release is on IMM76D.
IMM76I is just a kernel change for GSM users anyway.
The kernel is nothing special and has no battery saving qualities over stock though.

I'm getting better battery life now somehow
Sent from my Galaxy Nexus using Tapatalk 2

Jellybean batt life observation

Seems jb batt life is pretty bad. 2%/hr idle. Alot of wake locks also from maps and networklocator. :Im assuming all from google now?

Noticed that over the last 24 hours battery life was worse than usual while I was on jellybean. Think you are probably right that Google now is the culprit, I really hope that it gets better before the ota but at the moment it just doesn't seem like it will be worth "upgrading".
Sent from my Cyanogenmodded GNex

emerica243 said:
Seems jb batt life is pretty bad. 2%/hr idle. Alot of wake locks also from maps and networklocator. :Im assuming all from google now?
Click to expand...
Click to collapse
Well, it must be Google Now. I turned it off and my battery is relatively the same as it was before. When using background location update, you can expect it to drain battery a little. Google Now uses your location data quite a bit.

I left my phobe at 96% came back 4 hours later and still on 96
Sent from my Galaxy Nexus using xda premium

I thought JB was pretty good on the battery from my experiences. Did my overnight sleep test and it drained 3% in 8 hours just like ICS did.
As for screen on time, I feel that it's even better than before.
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I would be getting 4 hours screen on time if the battery drained to 0.
I'm very satisfied.
Sent from my Galaxy Nexus using xda premium

I'm getting pretty good batterylife with JB. Over 10 hours on battery and over 3 hours of screentime and I still got 40% left with 2000mah oem battery.

I have yet to flash JB, but one thing concerns me. Is this not just a dev preview and not the final product that will be pushed out mid-July? Not to sound harsh, but I don't see why complaints are being made about battery life at this stage of JB. Just my 2 cents, fyi...
Sent from my Galaxy Nexus using xda app-developers app

My battery life is no different.
You also have to remember this is a developers preview build and not the official release.
Sent from my Galaxy Nexus using xda premium

My battery life over the ~12 hours i had jelly installed seemed the same. Good standvy times also. I think it will depend on how much of the new stuff google added you use that will determine battery life. Some of that stuff will make a big impact.
butter and jelly please...

leelaa said:
I left my phobe at 96% came back 4 hours later and still on 96
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
What kernel are you on? and what freq\gov?

emerica243 said:
What kernel are you on? and what freq\gov?
Click to expand...
Click to collapse
All stock, changed nothing at all, for me its best that way (for now)
Sent from my Galaxy Nexus using xda premium

Even though its just a Dev preview and to early to comment on this, I think its about the same on ICS if not better.
Completely stock , not even rooted.
Sent from my Galaxy Nexus using Tapatalk 2

If you are getting bad battery life and wake issues, check your apps. I've heard LightFlow was causing wakelocks b/c it isn't optimzied for JB yet. I've deleted it until they can get it updated. So far, my battery life hasn't been great b/c I can't keep my hands off of it

Yeah, I would agree that battery life seems pretty good. It seems a little worse on Franco.kernel than stock, but hey, it's a new kernel and he is still trying to get all the kinks worked out. Also, no wakelocks on Light Flow, but I hope they update it soon, lots of my notifications stopped working.

Ehh I don't think its terrible at 2% an hour. Better than 10% an hour. I'll take a little drain for the beauty of JB
Sent from my JellyBelly Gnex

IMO I think it's draining a little fast, but I think that's because I keep flashing kernels and add-ons which reboots and causes the battery to drain super fast... and I've been messing with apps a lot too. So I'm gonna give it another day or two for a definitive answer.

kristovaher said:
Well, it must be Google Now. I turned it off and my battery is relatively the same as it was before. When using background location update, you can expect it to drain battery a little. Google Now uses your location data quite a bit.
Click to expand...
Click to collapse
How do i turn it off
Sent from my Jelly Beaned GNexus

I don't understand what people expect??? They want to have an awesome huge screen, fast processor, 4G speeds, want to run apps like crazy and then have Google Now constantly updating and expect the battery to last all day?? People just need to be realistic!

I'm completely stock and my battery is almost the same. Think it's a bit early to tell yet, we've all been playing more with the new rom
Sent from my Galaxy Nexus using xda premium

I am under the impression that the drain is slightly higher than on ICS, I am now 5,5 hours after charging, with 88% left (and a screen time of 18mins). On ICS I would be around 90 to 93% (with the 2000mAh battery). But nothing really to worry about.
Having said that, I did have lightflow installed and it did show in the wakelock screen, so I uninstalled that to see if the next charge gives me even better endurance.

$8 3800mAh Battery From Amazon Review

Hello xda,
http://www.amazon.com/gp/product/B0084WZ99S/ref=oh_details_o04_s00_i00
I recently purchased an extended battery from Amazon that only cost 8 bucks. At first I said, who would be stupid enough to put this in their phone? Well, turns out I was wrong.
I bought this battery in hopes that it would bring my 2100mAh battery (the official Samsung extended battery) from a 12 hour day to at least 24 hour day. It did not only do that, but it exceeded that.
First off, my phone is running Vicious's variant of CM10. I'm also running Faux's 19 Kernel and I've under clocked my CPU to 912 mhz. If I REALLY see a difference in the speed, I'll just put it back up to 1.2ghz. I will enclose pictures of the phone day by day of the battery usage and how the phone looks. The phone feels great to me! I'm that kind of weird person who likes to have a bulky device in my hand.
With Amazon Prime, I got the phone shipped to me in 2 days. Freaking awesome for 8 bucks total.
Of course not all can be good with this battery. The back battery door does fit but the color is really off compared to the other backs of the phone. Just looks a little weird but I'm use to it.
Typing on the phone does take some getting use to as its a whole lot bigger but that can be expected with any battery of its size.
Below I will be attaching pictures of what the phone looks like with the battery on and my daily usage.
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This is the second day with the battery below and I still have 25 percent left.

Link to battery plz?

williep said:
Link to battery plz?
Click to expand...
Click to collapse
I won't be able to link until I get 10 post so stay updated to the thread.

I'm wanting to see the link too. I'm doing ok with the seido 3800 but honestly I would expect more than I'm seeing.
Sent from my Galaxy Nexus using xda app-developers app

That's pretty big. But you can't argue with the results. I think I could learn to live with that.
Sent from my Liquid Galaxy Nexus on Xparent ICS.

NFC?
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malibu_23 said:
NFC?
Sent from my Galaxy Nexus using xda premium
Click to expand...
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I came here to ask this, also.
Sent from my Galaxy Nexus using Tapatalk 2

infazzdar said:
I came here to ask this, also.
Sent from my Galaxy Nexus using Tapatalk 2
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It is not a official Samsung battery so it is very unlikely to have NFC.

whats the screen time? are you using wifi or 3G?

I bought this battery and also the Seidio. Honestly the Seidio does bettery, but this battery did fine also. Well worth a couple of bucks.

i bought 3800mAh battery from ebay. shiped from china. looks allmost the same, surface is much smoother and color fits with phone 95%. Im using jro03c build 4.1.1 google sctock android. 3g turned off, wifi 24/7 on. at this moment battery stats:
64% discharging
3d 8h 0min 13s on battery
phone idle 38%
cell standby 20%
screen 17% (time1h 25m 17s)
voice calls 16% (time 1h 42m 49s)
mediaserver 4%
android system 2%
ebay.co.uk/itm/251005399006?ssPageName=STRK:MEWNX:IT&_trksid=p398 4.m1439.l2649#ht_3041wt_1113
ebay shows 3500mAh but they send me 3800mAh, or is it just the sticker that says so anyway it beats oem 1750mAh faaaar long.
cheers

malibu_23 said:
NFC?
Sent from my Galaxy Nexus using xda premium
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Click to collapse
infazzdar said:
I came here to ask this, also.
Sent from my Galaxy Nexus using Tapatalk 2
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Click to collapse
un.droid said:
whats the screen time? are you using wifi or 3G?
Click to expand...
Click to collapse
I have both 4G LTE and WiFi on the whole day.

For all you wondering, NO NFC.
Also, CDMA it looks like.

kvizz said:
For all you wondering, NO NFC.
Also, CDMA it looks like.
Click to expand...
Click to collapse
Yes this is a CDMA battery, not sure if it'll work for Sprint though. It works fine for my Verizon device.

What kinda cases do u guys use with this?
Sent from my Galaxy Nexus using xda app-developers app

drzplaya1121 said:
What kinda cases do u guys use with this?
Sent from my Galaxy Nexus using xda app-developers app
Click to expand...
Click to collapse
I use my phone naked. I think with an extended battery AND a case, I'd probably kill my self. It already makes the device thick enough and I'm not worried about dropping my device. I take good care of my baby

A 3800mah (no NFC) battery came with my most recent Galaxy Nexus. After watching 1 hour of the Google I/O YouTube video, it used 10% of the battery. So, 10 hours of YouTube on a charge.

Mr.Mischief said:
A 3800mah (no NFC) battery came with my most recent Galaxy Nexus. After watching 1 hour of the Google I/O YouTube video, it used 10% of the battery. So, 10 hours of YouTube on a charge.
Click to expand...
Click to collapse
Eh, YouTube videos drain my battery really quickly and I just prefer watching YouTube videos on my Mac or PC anyway

I was right about to checkout, when I noticed that it said its for verizon only. I was excited to buy it for only 8 dollars

Wait a minute, verizon back covers and batteries do fit on the gsm one am i right?
Someone please confirm if it will work for gsm. Thanks