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So I've had my Defy a week and I like it, more than I thought I would to be honest.
However, one thing that's bugging me is the battery life.
In their review, Engadget actually highlighted the battery life as one of the big plus-points of the Defy.
They state:
Engadget said:
In our experience, the Defy seems to have stellar battery life, which is relatively hard to come by among Android phones. Not only we were able to consistently make it comfortably through an entire day on a charge, but we were surprised to find that after putting the phone away with about 75 percent charge, it was still on with 21 percent remaining two days later. Granted, it spent most of that time in WiFi calling range (which disables the cellular radio), but many smartphones give up the ghost from 100 percent charge in less time...
Click to expand...
Click to collapse
Now, I'm not using wi-fi calling but I don't think that should excuse or explain the fact that my phone barely lasts a day when at least one other handset has such significantly better battery life.
Anyway, I was just wondering how everyone else's Defys were performing.
Im coming from a vibrant and the battery on this is the best on android so far that i've ever used(g1, mytouch, mytouch 4, vibrant, etc.
Sent from my MB525 using XDA App
If you don't mind me asking though, how long do you go between charges?
As I said, I'm lucky if I make it much more than a day - certainly two days isn't possible.
But I'm not a particularly heavy user, a bit of internet and a few texts here and there but very little in the way of calls, so I kind of feel like I should be getting more out of the handset.
When I check the battery usage, it's quite often ~40% each for 'Mobile Standby' and 'Phone Idle'.
So the vast majority of the drain is just from the phone being on, not from anything I'm actively doing.
Is this your first smartphone? =)
I go a day and a half or so. I'm heavy on web use and playing 'slice it' all day.
for my usage, im THRILLED to have a phone that can still have 30-40% at the end of a long day.
Sent from my MB525 using XDA App
Just try to reboot the phone after fully charged and detached from power. There is an issue with the "suspend" process in some cases (not only on Froyo 2.2) which disappears after rebooting. Mine lasts 2-3 days with average use.
The issue at Google (I am not allowed to post links as a new user )
code.google.com/p/android/issues/detail?id=11126
I can use the web steady for 5 hours, this includes some streaming video, if I start at 100% its down to 10% by then. At work it lasts easily all day but it gets little web usage and maybe an hour of talking. I use battery booster and advanced task killer, my backlight is set at 70%.
With moderate use (some calls, lots of texts, some web browsing) I get 2 days. It needs to be charged at the end of day 2, but I'm happy with it. I don't have any ot the social networking crap on so it's not constantly syncing. I think that may have something to do with it. I keep my backlight way down too.
Battery life? i got defy just a week ago and first impressions are good. You know, in the first days you make yuor phone working a lot, testing all the features, trying new apps from the market (so internet connection always on) , watching some movies, playing 3d games!
So a really heavy use, but power lasts at least 1,5 days. So i think using the phone moderately makes the battery life easily up to 3 days.
Try some task-killer app, and then test the power duration. Some softwares stay in background and keep draining power.
disturkis4u said:
Is this your first smartphone? =)
Click to expand...
Click to collapse
No.
And I don't see what that's got to do with anything.
My battery life seems to be noticeably poorer than what the majority of people here are quoting.
If I were to use the web for 5 hours, there's no way I'd have anywhere near 30-40% of my battery left.
shaftenberg said:
Just try to reboot the phone after fully charged and detached from power. There is an issue with the "suspend" process in some cases (not only on Froyo 2.2) which disappears after rebooting. Mine lasts 2-3 days with average use.
Click to expand...
Click to collapse
Having looked at your link, it sounds as though when that's happening, people can see the Suspend process listed in the break-down of what's using the battery.
I've never seen it listed, so I'm not sure that's the problem here.
xdaid said:
Try some task-killer app, and then test the power duration. Some softwares stay in background and keep draining power.
Click to expand...
Click to collapse
I've got Spare Parts installed and it's set to 'aggressively' monitor and kill processes.
A friend recommended it over the likes of Advanced Task Killer because it's supposed to be better at differentiating between apps that are safe to kill and parts of the core software/system that could cause issues if closed.
I get what you're saying about using the phone more than normal because it's new but in the 8 days since I got it, I've spent 7 at work, so I haven't had that much scope to mess around with it.
I've switched the screen from automatic brightness control and I've disabled the background syncing for facebook, so hopefully that'll make a difference.
If not, since it's just over a week, I'm well inside the 28 days I can have it swapped for being faulty.
Quadrant: 1100 points, Linpack: 6,49 Mflops
Edit: ooops, should read the title more carefully next time.
My defy runs for about 40 hours on one battery charge.
i have to charge mine everyday at night after using it whole day, time to time. Not bad tbh.
A task killer is NOT necessary.
It seems like blur services are push rather than pull which uses much less battery (think blackberry). But im not 100%.
I've set up yahoo, corporate, facebook, and picasa just to test it out and it didn't make much difference in my battery life.
I consistently get a day and a half (unless i play games). Can push to 2 days if i put on airplane mode overnight.
Sent from my MB525 using XDA App
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Found this on a german forum, as you can see, he was not in flight mode. I guess my desire's battery won't last that long.
I can go about one full day with moderate/somewhat heavy usage. Won't last 2 full days though.
disturkis4u said:
A task killer is NOT necessary.
Click to expand...
Click to collapse
People keep saying that but I'm not convinced.
I mean, if I use my browser say and then finish using it and know I won't need it again for a while, why prevent me from actually closing/killing it?
It seems so ridiculously counter-intuitive.
Plus, if it's really not necessary, then why are so many of them being developed?
Even Samsung are producing task managers now for devices like the Galaxy Tab - if it really wasn't necessary, surely one of Google's top hardware partners would know that.
And samsung is so great at making stuff...? Touchwiz??
Also, samsung's task killer does not show inactive or background apps like most task killers do.
What is the harm in the browser being open? It uses no cpu+ this phone has more than enough ram that it doesn't need you to close apps to keep things running smoothly.
It also will not improve your battery if you arbitrarily close an app only to re-open it later and use more processes.
Just my 2 cents on this topic.
Sent from my DEFY using XDA app
disturkis4u said:
Touchwiz??
Click to expand...
Click to collapse
Blur?
They're no Sense, either of them, that's for certain.
Yeah they're nowhere near being that bloated lol
Step666 said:
Blur?
They're no Sense, either of them, that's for certain.
Click to expand...
Click to collapse
Sent from my DEFY using XDA app
Something i already posted in a german forum about my battery life:
2,5h gaming (Zenonia),
3h mobile internet (ICQ, Yahoo-mail, web, market)
2h of activated WLAN and deactivated sleep to copy stuff from pc to Defy
1,5h music (radio)
and 1h (and 6 minutes lol) of phone calls
After that day, i still had 30% of battery.
The maximum i reached were 75 hours including MY normal use with some mobile internet, some texting and 1 or 2 calls...maybe an hour of gaming at most.
I did not charge it first when i got it, because the battery was at 80% already/still and i wanted to play around.
Current running time: 26 hours...i activate plane-mode at night from now on. Low 70s now.
Everything at minimum display brightness (30%?)
Step666 said:
People keep saying that but I'm not convinced.
I mean, if I use my browser say and then finish using it and know I won't need it again for a while, why prevent me from actually closing/killing it?
It seems so ridiculously counter-intuitive.
Plus, if it's really not necessary, then why are so many of them being developed?
Even Samsung are producing task managers now for devices like the Galaxy Tab - if it really wasn't necessary, surely one of Google's top hardware partners would know that.
Click to expand...
Click to collapse
In my opinion, a task killer is absolutely necessary.
All the apps launched keep consuming RAM even if they're not in use. I brought back 106 mb last time i performed a task killing! In most of the cases less ram means worst performances / more work for cpu.
Hello forum and its inhabitats ! I have a new issue today (a new thread about it at least, the issue was here always); battery capacity and the SGS2 battery life ! My GS2 was sent with a 1650 chinise battery -- im not very happy with it. Using the phone quite passively leaves it with only 6 hours of battery life - i checked and it was roughly 20% per hour -.-
So i was browsing ebay and stubled on battery replacers for the GS2, one of them being a 2430 mAh capacity battery (http://item.mobileweb.ebay.de/viewitem?itemId=130594902895&index=14&nav=SEARCH&nid=15065655277).
So i wanted to ask, is it a fake ? Which battery should i buy to prolong my phone's life ? Thankyou for anwsers by time ^^
Sent from my GT-I9100 using XDA App
Oh and what i want is an extended battery without having to get a bigget case or anything. And, should i buy a 1650 again, just the japanese version ? Come on people i know you can anwser this
Sent from my GT-I9100 using XDA App
The Anker 1900mah battery (amazon.co.uk links: single battery, two batteries + charger) is probably the best extended battery which is the same size as stock (no bigger battery cover needed)
20% battery per hour is not normal with whatever "passive use" means. I would first investigate what's using up your juice before getting a new battery. Go into Settings -> About phone -> Battery use to see what's going on. Your phone might not be getting into deep sleep in which case BetterBatteryStats from the market might help you.
Vlad the Cat said:
So i wanted to ask, is it a fake ? Which battery should i buy to prolong my phone's life ?
Click to expand...
Click to collapse
Yes its fake, only buy original samsung batteries, samsung has a larger 2000mah battery if you want more capacity.
milestoner said:
20% battery per hour is not normal with whatever "passive use" means. I would first investigate what's using up your juice before getting a new battery. Go into Settings -> About phone -> Battery use to see what's going on. Your phone might not be getting into deep sleep in which case BetterBatteryStats from the market might help you.
Click to expand...
Click to collapse
Yeah, the screen usually eats 65% of the total battery. Where and what should i search in this betterbatterystats ? (downloaded it already).
And yeah, not quite passive use i'd say ^^
Sent from my GT-I9100 using XDA App
Well, if the device loses 20% per hour, its probably not going to sleep.
When looking at the battery stats (settings > about > battery), try to see if the device is awake a whole lot more than the screen is on.
If it does, with betterbatterystats you'll be able to see by going to "Partial wakelocks", whats the cause of it. if an app has a long wakelock time it is probably the issue for the battery troubles.
try to see if you have facebook sync, maybe its causing it as well.
eranyanay said:
Well, if the device loses 20% per hour, its probably not going to sleep.
When looking at the battery stats (settings > about > battery), try to see if the device is awake a whole lot more than the screen is on.
If it does, with betterbatterystats you'll be able to see by going to "Partial wakelocks", whats the cause of it. if an app has a long wakelock time it is probably the issue for the battery troubles.
try to see if you have facebook sync, maybe its causing it as well.
Click to expand...
Click to collapse
Im gonna run System Monitor today, to watch what apps used what and how much. Plus BetterBatteryStats at the end of the day. Lets see whats wrong with this phone <.<
Im also using Revolution ROM (2.7.1 i think..) with the CF-Root kernel. What i turned on by myself is: screen brightness minimum, sync of Gmail and Twitter (quite often, twitter every 5 minutes and Gmail i dont know how much. Constantly i think). Gtalk is always on, Mobile data is always on too, i do some browsing at times and some games too (at a higher screen brightness usually). AVG antivirus is always on, Latency is updating my position, Evernote large widget (the only widget im using, everything else is shortcuts). And thats it.
I know it may seem much but i still think it shouldnt be eating THAT much. Especially when its screen is off for 4-5-6 hours per day because of school.
Im also gonna post the apps that shouldnt be running in the background this evening (im from germany)
Sent from my GT-I9100 using XDA App
Ok so for now it taked 10% per hour with me not using it much. Lets see what stats i get at the end of the day. What exactly should i screenshot ? I got system monitor, BetterBatteryStats and the stock battery stats.
Sent from my GT-I9100 using XDA App
Eh.. I think i'll do the run tomorrow and post tomorrow's stats. Today my phone crashed once, and i turned it off once aswell, so i have a 30% gap in all monitors (from 70% to 40%) soo yeah.. Post your suggestions, people.
I'll test out this battery, and then fix some issues and test again, then do the same to the 1900 one higher in this thread to see the differences
[ GT-I9100 ] XDA APP SO TASTY WITH MY SLOW INTERNET OMNOMNOM
Today's results:
-unplugged this morning at 7:33 - 100%
-plugged in right now at 16:23 -5%
So roughly my battery lives ~9 hours per day. Why im still not happy ? Because im not using it the half of the day due to school, and when i do use it, the discharging is a bit overwhelming in my opinion.
Turns out it drains 11%/h or so.
I'll post the numerous screens from different applications, hoping that peoplr will help me improve the battery (since i know a lot of other people have their phone living for 20 hours !)
Also, you will notice the skip in the stock battery monitor and in the system panel app, its just how i said in my other thread - data loss. I was reinstalling chainfire so that the tegra game would work, and ofcourse the phone rebooted forcefully after installing/upgrading the CF3D plugin.
Stock monitor (approx. 1 hour of data was lost):
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SystemPanel app (1 hour of data lost like in the stock monitor):
Plus the running apps info from this app (im not sure which ones should run and which not, but i'll try to list any suspicious services), a whole list:
Odd: Those two Bluetooth services
None of the next ones should be running in the background in my opinion:
None of those eighter:
These too shouldnt be here ?
Samsung keypad i understand, but i didnt knew it always runs in the background. Others i dunno.
WTF Skype, i haven't opened you in weeks !
Those that are EX here i know they should be working.
XDA runs in the backgroud ? With otifications i guess yes, but i had none untill now and will turn it off. Also, system apps begin, and i wont comment on them
Except for this one maybe. I have my Latency location updating, so that explains the friends location
And finally the last screenshots from Battery snap app !:
[ GT-I9100 ] XDA APP SO TASTY WITH MY SLOW INTERNET OMNOMNOM
If i helped you im sure its easy to press that lil' pretty "Thanks" button
Sorry guys for the overload of screenshots. I dont have a pc now and wont have one soon eighter, so its hard to type and go back and forth to check every apps name, usage, cpu time ^^" plus this is another reason why i need my phone working at its max, life longerso i could use it normally, but not hold it on the charger constantly.
UPDATE: today my screen (when it was used) was at 20% brightness, and i deleted the twitter account, so no sync every 5 minutes (i still dunno about GMail, maybe its constant ?)
Also ! I dont think my screen really used just 48%, its usually more - around 60% ! And today i actually saw that it was 73% at some point but then it would fall down to 60 again due to idling (probably the data was lost. Again.)
[ GT-I9100 ] XDA APP SO TASTY WITH MY SLOW INTERNET OMNOMNOM
If i helped you im sure its easy to press that lil' pretty "Thanks" button
if you are looking for a new battery, the anker 1900mah is the best you can get without increasing the size of the phone! It is also the only third party battery that is proven to be the mah they claim it has, some even get 2000mah with this battery.
If i was you, i would first disable all your widgets, and then check again! If its a big difference, add them one by one slowely! Some widgets can cause battery drain. If that doesnt help you can try to reset your whole phone back to how you got it in the beginning and then slowely add your apps back.
you could also try and read this : http://forum.xda-developers.com/showthread.php?t=1135033
Just ordered one and a desktop charger
Sent from my GT-I9100 using Tapatalk
Seriousley, Running an AV!? LOL
I LOVE the Galaxy Nexus, but the rate at which the battery discharges is just ridiculous. I'll use the phone for 15 minutes doing things like Twitter or Web Browsing, and it'll discharge 5% in that time. To me, that is horrible. I'm being really conservative too. Throughout a day I try not to play videos, games, or anything else intensive because I know it'll ruin my battery life. Even on standby it discharges 5% in an hour. Typically I lose about 10% an hour and my max has been 12 hours so far.
I have auto sync turned on and keep the screen low when possible. I NEED auto sync on because of the nature of my work. Compared to my iPhone 4S battery is downright pathetic.
Today my usage consisted of one phone call, a few text messages, lots of Twitter, and light web browsing. Nothing too crazy. Again I'm being really conservative with my usage whereas on my iPhone I can do whatever I want and not worry. I'm just not seeing how people are getting 15+ hours and claim heavy usage. I'd love to believe that! The battery drains so fast during normal usage it may be a deal breaker for me.
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Edit: My battery discharged 2% just while writing this post.
Sent from my Galaxy Nexus using XDA App
It sounds like your definition of light usage is wrong.
I wouldn't consider heaps of twitter and some web browsing light usage. I would consider it moderate usage, in which case you seem to be in line with everyone else.
I agree with you in that the battery life isn't quite what I would have liked. Ideally I wouldn't have to worry about battery at all, and I'd be able to play games and browse the web as much as I like, but for normal usage it's fine.
The next Nexus though, man, that will only have to be charged once a month. I can't wait.
Niksko said:
It sounds like your definition of light usage is wrong.
I wouldn't consider heaps of twitter and some web browsing light usage. I would consider it moderate usage, in which case you seem to be in line with everyone else.
I agree with you in that the battery life isn't quite what I would have liked. Ideally I wouldn't have to worry about battery at all, and I'd be able to play games and browse the web as much as I like, but for normal usage it's fine.
The next Nexus though, man, that will only have to be charged once a month. I can't wait.
Click to expand...
Click to collapse
Twitter hardly taxes the processors at all. Refreshing it every so often should hardly take any battery life at all. Web Browsing I can understand, but my total time browsing today probably amounts to 10 minutes total.
I wonder how much of the drain is attributed to the 4.65" screen. It's a monster.
-Sent from my Arc (LT15a)
I expect the battery life go improve within the first few cycles. I had a similar experience with the Nexus S last year.
AdamUpNorth said:
I wonder how much of the drain is attributed to the 4.65" screen. It's a monster.
-Sent from my Arc (LT15a)
Click to expand...
Click to collapse
Most of it. 720p Super AMOLED HD is killing the battery. The only way to last a long time is to not turn the screen on.
rashad1 said:
I expect the battery life go improve within the first few cycles. I had a similar experience with the Nexus S last year.
Click to expand...
Click to collapse
I've had the phone for a week so far.
almost 3hours of screen from 10h standby!! mate give us a break and get back 4s. !!
heavy usage not low!
i can see low signal (coverage) what can also produce higher battery drain.
twiter running 24/7 in backround sync on + wifi + games...
i dont know what you want... you will never get anything similar from for example HTC sensation or even your favourite 4s.
dont take it on bad way..but if you dont know what to do - try to save your battery..
-lower your screen britness
-remove/disable apps that are producing the heavy drain (use betterbatterystats app)
-stop playing games - if you wanna long life for your battery.
-etc...
Best regards
People using a G2x claim to get a day and a half... I'm lucky to get out of work. Push email for work is to blame I think. I get tons of emails (100 a day) and I think its taxing. From your pics, the screen used over 50% of it. That's a lot.
Sucks.
Also make sure your aren't turning on the screen every 5 minutes to check the status. Since your coming from an iOS, are you closing apps properly (back = close, home = minimize).
I'm not saying your crazy but just saying.
LG G2x - 2.3.7 CM7
Asus Transformer - 3.7 Revolver OC/UV
rashad1 said:
I expect the battery life go improve within the first few cycles. I had a similar experience with the Nexus S last year.
Click to expand...
Click to collapse
I had the same thing happen with the Nexus One. The battery wasn't that great but, got better after a few charge cycles.
I've never had a Android phone that could match the battery life of the Iphone. I can sit the iphone down at night without putting it on the charger and, if it's at 100% it will be at about 90-95% when I wake up. I did the same thing with my Mytouch 4G and, it was at 15%
To the OP, I would recommend keeping a charging cable with you when you out and about especially in your car. I've had car docks with a few of my android phones and, always keep the phone docked when I'm driving somewhere. It really helps.
What you also need to remember is this is the first release of ICS and is still in development so battery life my be improved in the next update. Like you mention iPhone4S there was massive battery leakage in the first release of IOS 5 which Apple apparently fixed in the newest update.. So maybe in the next update we can expect some bugs ironed out.
Used to only have ONLY 2-3 hours screen ON on my Vibrant so I know how SAmoled looks like.
I know iphone battery is good, but you need to consider the screen size too..
Get a spare battery with your "light usage", but I am thinking how much would it cost becoz of the NPC antenna.
Too good thing is, unlike iPhone, you can buy a spare battery and carry it with you.
3 hours of screen use is what the problem is. That is a long time. I wouldn't complain about that at all.
Storm T said:
3 hours of screen use is what the problem is. That is a long time. I wouldn't complain about that at all.
Click to expand...
Click to collapse
exactly what i am trying to say
+1
Hunteres said:
almost 3hours of screen from 10h standby!! mate give us a break and get back 4s. !!
heavy usage not low!
i can see low signal (coverage) what can also produce higher battery drain.
twiter running 24/7 in backround sync on + wifi + games...
i dont know what you want... you will never get anything similar from for example HTC sensation or even your favourite 4s.
dont take it on bad way..but if you dont know what to do - try to save your battery..
-lower your screen britness
-remove/disable apps that are producing the heavy drain (use betterbatterystats app)
-stop playing games - if you wanna long life for your battery.
-etc...
Best regards
Click to expand...
Click to collapse
I already said I didn't play any games today and my screen brightness is low. For some reason Shadowgun stays in the battery info screen. I played the game two days ago and manually closed it out. Even after rebooting the phone its still there.
I'm being 100% real, stop trying to make excuses or act like I'm an iPhone fanboy. The Galaxy Nexus combined with ICS is the best phone I've ever used! I'm just terribly disappointed with the battery life.
Twittering all day is sucking up battery because of all the data use. Dude, youre not a light user with 3 hours screen time moderate, possibly heavy depending on background stuff sycing automatically. You have some tweaking to do, not whining.
Sent from my samsung gt i9250 which is in the wrong country.
Storm T said:
3 hours of screen use is what the problem is. That is a long time. I wouldn't complain about that at all.
Click to expand...
Click to collapse
3 hours is not that much. Seriously. It shouldn't be damn near dead after 10 hours. Imagine if I decided to play a game for 15 minutes or watch 2 YouTube videos.
I bet if people were getting an hour and half with this phone, all the fanboys here would say the same thing. "Man, an hour and a half is a long time! You should be happy with that!".
pukemon said:
Twittering all day is sucking up battery because of all the data use. Dude, youre not a light user with 3 hours screen time moderate, possibly heavy depending on background stuff sycing automatically. You have some tweaking to do, not whining.
Sent from my samsung gt i9250 which is in the wrong country.
Click to expand...
Click to collapse
I've tested out the battery difference by turning off auto sync. Doesn't make a difference at all. Fact of the matter is that the battery drains like crazy when the screen is on.
I'll just turn my phone on because actually using it is frowned upon here.
tylose said:
Too good thing is, unlike iPhone, you can buy a spare battery and carry it with you.
Click to expand...
Click to collapse
Except they aren't out yet
Hello all ,
sorry if it's duplicated question , but it's very urgent for me
I've made this topic before :
[Q] When it comes to heavy Continuous using .. which rom / Ker gives me more hours ?!
and as you can see , i tried almost everything to get more " screen on time "
someone told me to get extended battery
so , could anyone tell me please that is the best one so far ?
and how many extra hours i will get with this one ?
i mean in heavy using
thanx a lot ,
and sorry again
Either get the 2000mah samsung extended battery if you want to keep the slim profile, or get one of the brick sized extended batteries from ebay
any reports about this original Samsung one ?
is it better or the other ones ?
i don't care about size
cuz i have a Case-Mate tough and SPG neo hybrid and i guess they could handle it , right ?
so , any help about exact tested ones ?
Search. The. Fracking. Forum.
^ tried ..
but found many topics with tens of pages
so far i think the original extended battery feed me well
The best kernel is void.echo, excellent performance and battery.
I've got the Samsung 2000mAh battery and you get another cover with it as its slightly bigger. Got me 5 days with void.echo. WiFi on almost all the time. Hes a picture:
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"lightbox_error": "The requested content cannot be loaded. Please try again later.",
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They're also bigger ones on eBay but theyre fat and ugly. They are 3500mAh. Never tried them, never will. Ruins the look of the phone. Heres a pic from eBay:
I would go for Samsung's 2000mAh. My ROM is WajkIUI with void.echo. I hate siyah, it drained my battery in 5 hours, i didnt even do anything!
thanx a lot
could you please post some screens about usage ?
specially screen on time
i got max 3 ~ 4 hours with my current stock one
what about yours ?
u could also get an external 1350 mah battery from samsung
there is a link of it somewhere here
and also one more think u can do
disable one core
lock it at 500 mhz full load
undervolt it
and do the same to the gpu
i360* said:
The best kernel is void.echo, excellent performance and battery.
I've got the Samsung 2000mAh battery and you get another cover with it as its slightly bigger. Got me 5 days with void.echo. WiFi on almost all the time.
Click to expand...
Click to collapse
Really? 5 days? I would love to see some proof of that.
there's no rom\kernel combo wich give you that long juice time unless you turn your phone on, put it in "flight mode" and use it as a paper weight.
Anyways i manage to get about 30-40 hours of medium + usage with Anker 1900mAH battery.
Hertz33 said:
Really? 5 days? I would love to see some proof of that.
there's no rom\kernel combo wich give you that long juice time unless you turn your phone on, put it in "flight mode" and use it as a paper weight.
Anyways i manage to get about 30-40 hours of medium + usage with Anker 1900mAH battery.
Click to expand...
Click to collapse
It's actually very easy reaching 5 days with wifi always on and GSM... If in all the five days you turn the screen on like 1 hour total.
Those statements of "my phone lasted x hours" without any aditional info are completely useless.
Molitro said:
It's actually very easy reaching 5 days with wifi always on and GSM... If in all the five days you turn the screen on like 1 hour total.
Those statements of "my phone lasted x hours" without any aditional info are completely useless.
Click to expand...
Click to collapse
true, gsm only saves looooooooots of battery but dont get mad if you wont receive some of the calls. im happy with phone lasting about 30-40 hours with avarage use, wifi always on brightness set to 0 unless going outside- auto , and pretty much it. better than my desire anyway
MamomaN said:
thanx a lot
could you please post some screens about usage ?
specially screen on time
i got max 3 ~ 4 hours with my current stock one
what about yours ?
Click to expand...
Click to collapse
My stock battery gets me 2 days max with my rom and kernel
Sent from my GT-I9100 using xda premium
Hertz33 said:
Really? 5 days? I would love to see some proof of that.
there's no rom\kernel combo wich give you that long juice time unless you turn your phone on, put it in "flight mode" and use it as a paper weight.
Anyways i manage to get about 30-40 hours of medium + usage with Anker 1900mAH battery.
Click to expand...
Click to collapse
That's right, 5 days. I could get more hours with it underclocked and undervolted
Sent from my GT-I9100 using xda premium
Regarding those chinese batterys off ebay.. I dont have any first hand experience with them.. I ordered a 3000mAh battery for my Samsung Galaxy S (the first one). It took maybe 2-3 weeks to arrive, and by that time I had already upgraded to a Samsung Galaxy S II. I sold the Galaxy S to a friend, gave her the huge battery when it arrived.. she later said that the bigger battery didnt last any longer than the official original Samsung battery! She also had a couple of other chinese batterys that fit the standard casing, and she said those ones didnt last as long. I personally didnt really notice a difference, but I was always tending to swap out batteries around 5pm when I finished work.
I've just ordered an official Samsung 2000mAh extended battery for my Samsung Galaxy S 2. And I'm starting to play with custom ROMs and kernels. I'll report back my findings when the battery gets here in 2-4 weeks. I'm currently struggling to get through an entire day.. auto brightness, 3g enabled, checking emails every now and then, facebook pushing data down at will, and often with music or FM radio playing through the earbuds.
I"ve got the Samsung Extended Battery with SensatioN Rom with Siyah Kernel.
With bare minimum usage, few phone calls, texting, no 3G connectivity, no Wifi, no music, no gaming, I can get over 5 days.
With normal usage, few phone calls every day, send few texts, internet via 3G or Wifi every now and then, email and weather sync set to every hour, few hours of music here and there gets me little over 2 days.
My heaviest usage was 5 hour continuous gaming without Wifi or 3G connectivity and the battery went from 100% to 12% in that 5 hours.
If you use the display a lot, then forget about getting days of usages on one charge. You might, at the lowest brightness settings, but I never bothered with it. I"ve had my display brightness set at one step above middle ever since I got this extended battery.
could you post screenshot of the " screen on time " please ?
because this is the real challenge for the battery
Better go for original samsung kit 2000 mah....
Please everyone i need numbers
my current stock one gives me max 3~4 screen on time
what about those ??
how many exactly it will gives me screen on time ?
help me on this way please
there is no point other users giving you their max screen time as usage will be very different.
I could say 2 hours of screen time, but I could have GPS connected, Wifi or 3G downloading massive file, music playing and other background tasks doing stuff all at once...
Or I could say 6 hours of screen time at lowest brightness setting while I typed out an essay with no Wifi or 3G, no music minimum background tasks. Almost using the phone as a typewriter.
What you are asking is like "how much farther will 40 litres of fuel get you in a particular car, compared to 30litres of fuel".
It depends on how you accelerate, whether aircon is on or off, are you going uphill or downhill, is it in city driving or highway driving??? People will give you different figures and unless their driving condition is exactly same as yours, the figures really mean nothing.
All you need to know is the extended battery is about 25% larger than stock, there for should give you 25% more usage time.
The battery life is Godly on the Galaxy Nexus (Mine's a GSM model...I have no clue about the CDMA version)
With around 10 calls made, my brightness using the power control widget at "half" (I think its something like 40%), wifi on all day, data on, bluetooth&GPS off, NFC off, and almost 2 hours of onscreen time spent texting, surfing the web and gaming I got almost 22 hours on battery with 46% remaining! Pics for proof:
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For those interested in getting this type of performance, I have sync OFF and manually sync whenever I want to check something (mail, weather widget, etc)
I have not had a phone with this great of battery since the Xperia Ray. This is unbelieveable though.
Also for those interested this is what I am running for ROM:
Android version: 4.0.3
Kernel Version: 3.0.18-imoseyon-1.9.0-04417-gcef4285 [email protected] #408
Build number: Gummy-MAGURO v0.7.6
Now how should I kill off my remaining 46%? Because web browsing, playing Nintendo 64 games, Facebook, are not cutting it! LMAO
100% WiFi use and no auto-sync or background data on, that's not surprising whatsoever.
martonikaj said:
100% WiFi use and no auto-sync or background data on, that's not surprising whatsoever.
Click to expand...
Click to collapse
Its not supposed to be a "surprise". I am just saying that the battery life is great. Oh and background data is ON...yes ON!
Adreno said:
Its not supposed to be a "surprise". I am just saying that the battery life is great. Oh and background data is ON...yes ON!
Click to expand...
Click to collapse
Which doesn't matter if you don't have auto-sync lol.
martonikaj said:
Which doesn't matter if you don't have auto-sync lol.
Click to expand...
Click to collapse
Ah...yes. I seem to have fallen on my face. Please accept this cookie *gives cookie*
On another note, could you tell me if games are able to push background data with auto sync off? I've always wondered that.
For what it's worth, Samsung said this phone should have a six day standby time and twelve hour usage time...
Maybe turning all the features of the phone off will help, but then why have a phone like this if you limit it so much?
EP2008 said:
but then why have a phone like this if you limit it so much?
Click to expand...
Click to collapse
Its not really limiting it though.
If I want to see the weather, I touch the widget to sync. If I want to see if I got any mail, I go into the app and it will sync...I get my data when I choose to.
I don't own anything to hook up via blue tooth, and I will just turn GPS on when I check google maps, takes an extra 3 seconds.
I am not missing out on anything, I am literally getting 2 days between charges. But I charge every night anyways, so I can basically surf the web or do whatever on the device all day and still have a ton of juice at the end of the day.
hey man, if thats how u use your phone, then u have great battery life! everyone's uses are different! people can say "oh your bluetooth isnt on" but not everyone uses bluetooth, or needs their auto sync on, etc! some people like to check these things manually
you should update your kernel to 1.10, reports have said that it brings back battery of 1.7.4 but also ups the overall speed/smoothness of the phone
Simer03 said:
hey man, if thats how u use your phone, then u have great battery life! everyone's uses are different! people can say "oh your bluetooth isnt on" but not everyone uses bluetooth, or needs their auto sync on, etc! some people like to check these things manually
Click to expand...
Click to collapse
Yeah I mostly just call, text, websurf, and game. So it works for me.
In comparison, using my Xperia x10, Samsung Captivate, Desire Z, Desire S, Xperia Arc, Nexus S, and Xperia Ray I never got battery life like this. The Ray was close, but this is even better...considering the size of the screen this is really great in my opinion.
I just love this device so much, I am thinking I will just always stick to the Nexus line of devices for now on.
andy2na said:
you should update your kernel to 1.10, reports have said that it brings back battery of 1.7.4 but also ups the overall speed/smoothness of the phone
Click to expand...
Click to collapse
Would that give me even more battery?
I think I am just impressed with this so much because next to what I was running at stock (4.0.1) this blows it away.
Having the screen on for ~2hours is not a clear representation of it's battery life.
Adreno said:
Would that give me even more battery?
I think I am just impressed with this so much because next to what I was running at stock (4.0.1) this blows it away.
Click to expand...
Click to collapse
you are using leankernel 1.9.0, so a quick update and you can compare yourself
some reports from the thread:
http://rootzwiki.com/topic/13299-kernel-leankernel-minimalistic-kernel-1100-2912/page__st__280
You disable auto sync.. that means you have no life.. you can't call your phone as "smartphone"
Sent from my Galaxy Nexus using xda premium
I too think this phone has best battery life ive had particularly idle time. Screen on is a tad high, but all averaged together gives this phone excellent battery life.
EP2008 said:
For what it's worth, Samsung said this phone should have a six day standby time and twelve hour usage time...
Maybe turning all the features of the phone off will help, but then why have a phone like this if you limit it so much?
Click to expand...
Click to collapse
Look, Samsung has NO way to give standby times when everyone uses their phone differently. I sync differently from you. This phone WILL get six days standby. My old Vibrant is rated at 16 days standby, and you know, it just about will get that. "Standby" times aren't "my screen is off". Standby times are no data/wifi/sync and my screen is off. My mother has my unlocked Vibrant on AT&T. She doesn't have a data plan. Data/Sync is off. It's used as a PHONE. After her normal use, which is about 10 minutes of talking a day, it'll be at around 40% after 6 days. At that point, she usually charges it... and that's with evil, battery draining TouchWiz! There is no way for a manufacturer to adequately predict standby times with a device connected to a data network.
Honestly, for the life of me I can't figure out why this is an amazingly hard concept for people to grasp. Just because it's a "smart phone" doesn't mean that manufacturer's test battery life with data/wifi on. Probably because unlike the majority of people in every random battery thread on the internet, manufacturer's realize that once a data network comes into play, usage/sync WILL be different. Even power consumption can vary from tower to tower.
zephiK said:
Having the screen on for ~2hours is not a clear representation of it's battery life.
Click to expand...
Click to collapse
What do you feel is a clear representation?
I've a feeling every person has a different opinion on this.
I'm impressed
I get up at 4.30am for work
get home about 6pm
I have about 60% left
then I destroy that as its unlimited data plan inc tether is my broadband at home.
KWKSLVR said:
Look, Samsung has NO way to give standby times when everyone uses their phone differently. I sync differently from you. This phone WILL get six days standby. My old Vibrant is rated at 16 days standby, and you know, it just about will get that. "Standby" times aren't "my screen is off". Standby times are no data/wifi/sync and my screen is off. My mother has my unlocked Vibrant on AT&T. She doesn't have a data plan. Data/Sync is off. It's used as a PHONE. After her normal use, which is about 10 minutes of talking a day, it'll be at around 40% after 6 days. At that point, she usually charges it... and that's with evil, battery draining TouchWiz! There is no way for a manufacturer to adequately predict standby times with a device connected to a data network.
Honestly, for the life of me I can't figure out why this is an amazingly hard concept for people to grasp. Just because it's a "smart phone" doesn't mean that manufacturer's test battery life with data/wifi on. Probably because unlike the majority of people in every random battery thread on the internet, manufacturer's realize that once a data network comes into play, usage/sync WILL be different. Even power consumption can vary from tower to tower.
Click to expand...
Click to collapse
Perhaps you're giving Samsung too much credit. Apple lists the details of their battery tests on their site, and when they say "10 hours of use", it's not piddling around with sync off, location off, etc. it's actual use (calls, web browsing, video, music).
Look at gsmarenas battery tests http://blog.gsmarena.com/samsung-galaxy-nexus-battery-life-fully-tested-results-come-out-disappointing-test/.. Galaxy Nexus is tied for second worst and all phones were tested the same way. Maybe "real world" use will affect a single device from day to day, but when a phone is compared to close to twenty other phones under the same conditions, it makes you realize how poor the battery life is. Maybe 4.0.5 will make things better... I hope so.
Sorry for a newbie question.
I've had Auto Sync ON all day and I wonder what Auto Sync does exactly ?
Can someone light my day ? Thanks