I've tried everything to make my g2's battery last. I had an iPhone 6+ for a couple days and I could literally play on it for an hour straight and have the battery drop only 10%. If I just leave the screen on, doing little else, my G2 will drop 13-15%. If I keep the screen off, greenify all the major apps, my phone will only drain about 1-2% per hour.
But, as soon as I turn the screen on and start using the phone like a normal person, the battery will drain between 25%+/HR. I try to figure out what's causing the drain... Wake locks, kernel locks, etc, but it's never clear. Having just added greenify to the mix, I still see that the Android os stays awake at least an hour longer than the screen. Is that normal?
I don't get why the iphone6+ can last 2.5x longer with the screen on than the G2. But more importantly, can someone analyze my attached data and tell me how I can get the lost from what I have?
How old is your g2 and how long would a full charge last?
I'd advice you to reflash your current Rom. If the issues persist it might be a bad battery, but that's hard to judge. If you're getting a full day with about 4 hours SOT then that's just about normal.
Phone is approximately 7 months old, but it's a refurb. I think it has more to do with Android wake locks than anything else. For whatever reason, Apple phones manage this behavior much better than droids.
I still don't understand 1) how to fix my problem? 2) why the iphone6+ which has almost the same battery specs and a better screen, can last 2. 5x longer. This has been a problem with androids from the very beginning. They should be able to match the competitor.
Also, according to this article from Phandroid.com, the G2 gets 11+ hours of continuous Web surfing time in their tests. Doesn't this imply 11+ hours of screen on time, not 4?
Stockmoose16 said:
Also, according to this article from Phandroid.com, the G2 gets 11+ hours of continuous Web surfing time in their tests. Doesn't this imply 11+ hours of screen on time, not 4?
Click to expand...
Click to collapse
You have to take into account what game was running was it optimized etc and hardware.
You have a 7month old phone that was already a refurb vs a new phone.
also how th tests are used compared to your settings
The web browsing test is performed using an automated script which reloads a webpage every ten seconds. There are no flash elements on the web pages, so the playing field is even. The brightness of the phones' displays is set to 50% and we use a Wireless N router placed a few meters away to get full connectivity bars.
In our video playback test we measure how long it takes for a device to run its fully charged battery down to 10%, while looping a standard-definition video. We stop at 10% since most devices shut their video players at this point. The display is again set to 50%, and all radios on the device are switched off (Airplane mode)
Click to expand...
Click to collapse
Btw the new Iphone has vastly different hardware from the G2
For one i will assume you are using max brightness on both phones or at least Auto
The G2 uses a full HD ips panel LCD
The Iphone uses a Full HD LED backlit IPS panel meaning individual leds can turn off and blacks look natural this also saves power.
The G2 Uses a 2.26ghz Quad Core snapdragon 800 (not the 801 which has more power savings)
The Iphone 6+ and the 6 Use a 1.4ghz Dual-Core (2 less cores and 800mhz slower)
Also the games you play matter because apple are locked down every app is basically only set and optimized to work on their devices.
Android apps support a mixture of different hardware devices so the ones you may use are not optimized.
Also to stuff your ruddy gripe the screen isnt Better its the Same resolution you save some battery thats all.
Also your iphone is 1 year newer GG with a vastly less powerful CPU that will use less power also and a new battery.
You dont state what games and you dont state what you are doing to get 25% drain an hour.
Dont complain saying that *this 1 year phone doesnt have XX as good as my new phone that i have had for 3 days QQQ)
Btw GL with that boomerang of yours lul bendgate
Also LED screen technology has been used by samsung for years now
I never said anything about playing games on my phone. I pretty much use it for email, surfing, and Facebook.
Stockmoose16 said:
I still don't understand 1) how to fix my problem? 2) why the iphone6+ which has almost the same battery specs and a better screen, can last 2. 5x longer. This has been a problem with androids from the very beginning. They should be able to match the competitor.
Click to expand...
Click to collapse
I feel your frustration but making that statement, you are telling us you are very premature, at least on the mindset of thinking about Android in general.
Solutions are always there, it's you to decide whether you go for it or not.
Also, based on which factor that you said the i6+ has better screen? The look or the spec?
the G2 set the bar for ALL smart phones when it comes to battery life. there is nothing wrong with it. However, youre comparing a brand new phone with a weaker processor, to an older phone with a stronger processor. Go into settings/about phone/hardware info.... and check the stats there. it will show you how long the phone has been in use, and when the warranty began (production date) this can be very telling. all batteries diminish over time. btw is the iphone 6 screen even full HD?
---------- Post added at 04:56 PM ---------- Previous post was at 04:49 PM ----------
when my g2 was 3 days old, my jaw would drop bc playing on it for an hour straight to get everything set up, it would only drain 2-3 %. that was amazing. now after over a year, i get about 12-15 percent drop per hour with heavy use, including streaming music, texting, and browsing. i think thats still very good.
Related
These numbers dont look encouraging at all. Hopefully this 3g power drain isnt all hardware and can be fixed up in software...
http://www.anandtech.com/show/3891/samsung-epic-4g-review-the-fastest-android-phone/8
icantdrawanime said:
These numbers dont look encouraging at all. Hopefully this 3g power drain isnt all hardware and can be fixed up in software...
http://www.anandtech.com/show/3891/samsung-epic-4g-review-the-fastest-android-phone/8
Click to expand...
Click to collapse
Mine is just fine. gets me through a full 8 hour work day and then some. Its right there with the evo and other android devices. Want better battery life?, unferclock it like iphone 4.
Sent from my SPH-D700 using XDA App
rufflez2010 said:
Mine is just fine. gets me through a full 8 hour work day and then some. Quit trolling.
Click to expand...
Click to collapse
Well mine just sucks as does the gps. My wife and kid was lost yesterday and the nav/gps would not work. Screw this piece of chit.
Sent from my SPH-D700 using XDA App
Battery life does suck. Can't do anything on the phone for fear of the battery crapping out.
Expectations
Not sure what you are expecting as far as battery life but I have spent hours doing everything from GPS to downloading apps from wi fi and I get about a good 7 - 8 hours. No problems here.
Battery life threads bother me.
You ask your phone to do everything but wipe your rear end. It does more than Apple ever thought about, and we demand even more as customers. Faster Data, faster processors, more ram. Guys I hate to break it to you - but you want battery life go get a feature phone or blackberry. Otherwise, quit complaining about all the stuff you ask your device to do on such a small amount of energy. If we would quit caring so much about design and weight, phone companies could pack a car battery into it for you - look at Sedio... completely ruins the aesthetics of the phone, but you get longer battery life!
<conclusion>
Shut up or give up, battery technology just ain't there yet - and probably will never be able to match our demands until we have little nukes in our pockets.
</conclusion>
My EVO was pulling roughly 15-20 hours of battery life out of a full charge.
Thus far, I haven't been able to break 12 hours with the Epic, doing the same thing and with roughly the same usage. It's more than enough for a day, and I'm almost never near a charger (office, car, home, etc) but it'd be nice to have an extra boost. Bought those 2 for 10 Chinese batteries as a just in case.
At work right now and while streaming dubstep.fm and chatting on aim, my Epic is discharging while it's plugged into the charger.
You people that come into ever battery thread telling everyone to quit complaining and lauding the 8 hours of battery life you phone gets are not only completely missing the point, you're also contributing nothing to the discussion and perpetuating this conception that a third of a day is more than good enough for a phone's battery life. I mean, ****, my laptops get 8 hours of battery life.
The issue here is that we can clearly see that an android phone can get as much as 4 hours of 3g browsing time and 8 hours of wifi browsing time. The fact that this phone fails to come even close to that amount is alarming. A 25% reduction 3g browsing time and a whopping 38% reduction in wifi browsing time should make you question what is going on in this phone. Especially since the manufacturing process that produced this SOC is supposed to be much more power efficient than the one that produced the HTC evo.
I for one am really hoping samsung is aware of this issue and that battery life can be improved via some software tweaks. I owned the HTC evo. I was able to easily get 20 hours of battery life out of that phone doing the exact same things I do now. I was hoping to be able to match that with this phone. But right now, there is definitely an issue. Any of you people that deny it are seriously deluding yourselves.
I too have been frustrated by the surprisingly poor battery life. I've been holding back on believing it is a real problem because the first few days I had my Evo, it too had terrible battery life. However, with the Evo, after some battery conditioning, a hard reset and configuring the phone for what I wanted it to do vs what it came configured to do (Ex: I do not need push email, google voice or 4G running all the time and 25% screen brightness with a widget to switch it to 100% when needed) the Evo stepped up to the plate and settled into a cadence of giving me over 24 hours of use on a single charge.
I've had an Epic for over a week now. I've used it exactly as I do my Evo. I configured it the same as the Evo and in some cases with more extreme battery preserving (Ex: set the screen brightness to zero and only sync email every two hours (rather than the Evo's every hour)) and I can barely make it 14 hours, and that is a 14 hour DEAD stop.
Two other issues that are driving me crazy are the GPS and 3G performance.
It seems that when I'm sitting at home, the GPS will lock in about 10 seconds, but if I'm on the road in a random place (when I need the GPS the MOST) it will simply not lock if I'm driving and if I stop, it will eventually (maybe 5 minutes) lock.
3G performance has been absolutely horrible. I put the Epic right next to an Evo and TP2 and the Epic will get between 1/4th to 1/8th the throughput of the others. If I switch to Wifi, all is well and 4G is comparable (although not as reliable) to the Evo.
I am a keyboard person, the only thing wrong with the Evo was it did not have a keyboard. The Epic is exactly what I want, but these three strikes are making it tough to love. The 3G problem should be easy to fix with an update, as for the GPS and battery I don't know. I'm anxiously watching Sprint / Samsung to see if they will produce an update (see if they stand behind this product.)
BTW, at the end of a day, the number 1 battery culprit (according to the battery settings) is the display. With approx 1 to 1.5 hours of use at 0% brightness with an all black background, it still takes 50% to 65% of the battery (people posting that Super AMOLED saves battery over LCD are simply wrong.) The next offenders are Cell standby and phone idle. I was experiencing the 50% no signal problem, the workaround to cycle airplane mode helped that. But it does bring up another issue, although I have not had any call drops, the signal strength is consistently two bars (out of 6) lower than my Evo and TP2 (sitting right next to each other. At my home and in my office, my Evo and TP2 get 5 to 6 bars (full signal) but the Epic is 3 bars. I know the bars shown are not a good indicator and I don't have any dropped calls, but I wonder if this is not causing battery drain. This also makes me concerned that the main problem with this phone may not be solvable with software, it may be poor antenna design / implementation.
Wow, if more people actually realized that the SAMOLED screen uses MORE battery when displaying white pixels, we'd see less threads like this and less articles like the one posted.
On SAMOLED screens, each pixel is individually lit. White requires the most light. Constant web browsing will kill your battery FASTER than anything else because white is the color of choice when it comes to mobile web pages.
With that being said, OTHER THAN WEB BROWSING the battery on the Epic is much better than the EVO.
hmm i made a thread on 3g battery drain just the other day glad to see some actual evidence to back it up.
hydralisk said:
Wow, if more people actually realized that the SAMOLED screen uses MORE battery when displaying white pixels, we'd see less threads like this and less articles like the one posted.
On SAMOLED screens, each pixel is individually lit. White requires the most light. Constant web browsing will kill your battery FASTER than anything else because white is the color of choice when it comes to mobile web pages.
With that being said, OTHER THAN WEB BROWSING the battery on the Epic is much better than the EVO.
Click to expand...
Click to collapse
Wonder if we could hack together a browser mod to invert colors?
Kcarpenter said:
Wonder if we could hack together a browser mod to invert colors?
Click to expand...
Click to collapse
Heh. That would be nice. In the meantime, I use a darker wallpaper. When using the kindle app, I use white text on a black background. I keep my brightness at 0% (surprisingly still pretty bright) unless I go outside.
My battery if fine too. Turn off wat u don't need and you'll be fine. Mine lasts 8 or 9 hours. U can't expect to use this beast at full power doing everyting all the time and expect this 1500 battery t be magically long lasting. Same prob with evo. Tame the beast
Sent from my SPH-D700 using XDA App
A-effing-men man. The more features the phone has (or that you use), of course the more battery its going to drain. I came from the 9630 blackberry and i had about 6-10% battery drain per hour so this Epic isnt too bad of a switch for me since i am a heavy user.
Kcarpenter said:
Battery life threads bother me.
You ask your phone to do everything but wipe your rear end. It does more than Apple ever thought about, and we demand even more as customers. Faster Data, faster processors, more ram. Guys I hate to break it to you - but you want battery life go get a feature phone or blackberry. Otherwise, quit complaining about all the stuff you ask your device to do on such a small amount of energy. If we would quit caring so much about design and weight, phone companies could pack a car battery into it for you - look at Sedio... completely ruins the aesthetics of the phone, but you get longer battery life!
<conclusion>
Shut up or give up, battery technology just ain't there yet - and probably will never be able to match our demands until we have little nukes in our pockets.
</conclusion>
Click to expand...
Click to collapse
Anyone know of any extended batteries for it? I was quite happy with my G1's thickness, so adding a few mm on here should be fine.
(Also, screw form over function - last thing I want is a pretty, comfortable brick.)
Lol I had the same issue, so im taking it back and sticking with my evo and its badass extended battery
Sent from my PC36100 using Tapatalk
DJPUSA said:
Not sure what you are expecting as far as battery life but I have spent hours doing everything from GPS to downloading apps from wi fi and I get about a good 7 - 8 hours. No problems here.
Click to expand...
Click to collapse
Really sad when "a good 7 - 8 hours. No problems here" is now the yard stick battery life we expect from smartphones. Nothing smart there really.
TheMostToys said:
I too have been frustrated by the surprisingly poor battery life. I've been holding back on believing it is a real problem because the first few days I had my Evo, it too had terrible battery life. However, with the Evo, after some battery conditioning, a hard reset and configuring the phone for what I wanted it to do vs what it came configured to do (Ex: I do not need push email, google voice or 4G running all the time and 25% screen brightness with a widget to switch it to 100% when needed) the Evo stepped up to the plate and settled into a cadence of giving me over 24 hours of use on a single charge.
I've had an Epic for over a week now. I've used it exactly as I do my Evo. I configured it the same as the Evo and in some cases with more extreme battery preserving (Ex: set the screen brightness to zero and only sync email every two hours (rather than the Evo's every hour)) and I can barely make it 14 hours, and that is a 14 hour DEAD stop.
Two other issues that are driving me crazy are the GPS and 3G performance.
It seems that when I'm sitting at home, the GPS will lock in about 10 seconds, but if I'm on the road in a random place (when I need the GPS the MOST) it will simply not lock if I'm driving and if I stop, it will eventually (maybe 5 minutes) lock.
3G performance has been absolutely horrible. I put the Epic right next to an Evo and TP2 and the Epic will get between 1/4th to 1/8th the throughput of the others. If I switch to Wifi, all is well and 4G is comparable (although not as reliable) to the Evo.
I am a keyboard person, the only thing wrong with the Evo was it did not have a keyboard. The Epic is exactly what I want, but these three strikes are making it tough to love. The 3G problem should be easy to fix with an update, as for the GPS and battery I don't know. I'm anxiously watching Sprint / Samsung to see if they will produce an update (see if they stand behind this product.)
BTW, at the end of a day, the number 1 battery culprit (according to the battery settings) is the display. With approx 1 to 1.5 hours of use at 0% brightness with an all black background, it still takes 50% to 65% of the battery (people posting that Super AMOLED saves battery over LCD are simply wrong.) The next offenders are Cell standby and phone idle. I was experiencing the 50% no signal problem, the workaround to cycle airplane mode helped that. But it does bring up another issue, although I have not had any call drops, the signal strength is consistently two bars (out of 6) lower than my Evo and TP2 (sitting right next to each other. At my home and in my office, my Evo and TP2 get 5 to 6 bars (full signal) but the Epic is 3 bars. I know the bars shown are not a good indicator and I don't have any dropped calls, but I wonder if this is not causing battery drain. This also makes me concerned that the main problem with this phone may not be solvable with software, it may be poor antenna design / implementation.
Click to expand...
Click to collapse
Wasn't SuperAmoLED supposed to be the wunderkid technology battery life saver? It seems not to be the case with these descriptions like yours. What gives? So it looks better than LCD but sucks just as much juice??
Now we know the reason why the battery is draining so fast on Galasy S Phones.
The simple reason the AMOLED screen.
If we compare the Droid X with the Galaxy S both with 1500mAh batterys. While the Droid X can reach up to 7:42 hours of battery life the Galaxy s can only 4:44 hours. Its sad because the marketing made us believe that AMOLED is power saving.
Here the full Test from laptopmag.com.
Did you not read this part?
"So should you steer clear of AMOLED phones if you care about endurance? Not necessarily. OLED technology uses the most power when displaying white, which is why Samsung chose a black background for the app menus on its Galaxy S phones. Since our battery test surfs web pages
, most of which have a white background, both the Galaxy devices and the Incredible were at a disadvantage. It really comes down to what you view most often on your phone."
I tested a mkv 720p video playing for 1 hour and it only used 15% battery. From that, the battery should last about 6.5 hrs.
I was reading a test on another site a week or two ago, and it claimed the Galaxy S ran a 720p vid of Avatar on loop for 7.5 hours before refusing to run the video any further as the battery had reached 20, so 4.5 hours seams a little low?
psp888 said:
I tested a mkv 720p video playing for 1 hour and it only used 15% battery. From that, the battery should last about 6.5 hrs.
Click to expand...
Click to collapse
The brightness must have been set to VERY low, non ?
Not quite true that it's just the screen.
I installed a widget to turn off data connections entirely (running on 1G phone and text only) and I get about 4-5 days off a single charge now, and that's with moderate gaming/music/ebook use.
If I want to use the internet/email/whatever I just click the widget, it reconnects in 10 seconds and I am away.
I am also running the LG Optimus launcher as well, which I notice gives me much better battery life than TouchWiz/Launcher Pro/etc (although don't hit the volume button on the homescreen as it force closes)
Prasad007 said:
The brightness must have been set to VERY low, non ?
Click to expand...
Click to collapse
it was indoor, with auto brightness, so don't know what brightness it was on.
psp888 said:
it was indoor, with auto brightness, so don't know what brightness it was on.
Click to expand...
Click to collapse
Well, that's pretty darn good then! I doubt I've seen battery life that good on my phone....
when the phone is set on auto brightness 90% of the time is less than 50% brightness
when is above 50% brightness it is super cool! that's when you see the full effect of the SAMOLED
if you set it to say 60% or 75% brighness you will see the full bloom of the colours.
I'm pretty *****y about my phone's battery life but i have to admit that watching mkv and avi videos on my phone does not drain the battery as i would have expected. 1h30min movie drained around 20% of the battery, brightness in the perfect middle, 3G on and all that. So i think 7h++ playback is definitly doable.
Oddly enough i have the impression that leaving your phone screen on for 1h30min would probably drain close to 20% of the battery (just an impression though, might be totally wrong).
Also, 3G drains a lot of battery. I messed up with my phone and didn't have the APN configured, so no 3G, battery performance exploded, especially if u'r in an area with not so strong signal
i only notice heavy drain on battery when i'm on WiFi or 3G
like browsing the web, downloading stuff
just having WiFi on and 3G on does not consume that much battery, it is only when they are fully active.
all other tasks like watching movie, or doing offline stuff, even playing games does not consume much battery
i can drain the battery with just 4 hours of constant browsing/download stuff
but i can go on the full 24 with 1 battery pack if i do not use 3G/Wifi
on JM1 (or maybe JM2) when i had no 3G and WiFi turnerd off, bascically it would be 2% off every 8h-10h iddle time which sounds really good. However, according to the reported capable iddle time of the phone, it's not that good. People also reported less consumption in iddle.
I don't think i had too many tasks runing in the background (definitly no task killers)
Will.1 said:
I'm pretty *****y about my phone's battery life but i have to admit that watching mkv and avi videos on my phone does not drain the battery as i would have expected. 1h30min movie drained around 20% of the battery, brightness in the perfect middle, 3G on and all that. So i think 7h++ playback is definitly doable.
Oddly enough i have the impression that leaving your phone screen on for 1h30min would probably drain close to 20% of the battery (just an impression though, might be totally wrong).
Also, 3G drains a lot of battery. I messed up with my phone and didn't have the APN configured, so no 3G, battery performance exploded, especially if u'r in an area with not so strong signal
Click to expand...
Click to collapse
I fully agree with you. I'm surpised my phone uses so little power when watching a movie, coming from winmo I'm shocked I can use this thing for a day (12-18hours) before it dies. Overall I'm quite happy with my set up as everywhere I go I have power cables. Car (check) , Office (check.USB sync) , walking (check, 2000mha solar battery charger) and Home (power adapter). I'm power paranoid due to being with Winmo since the Aero 2130 to X1i.
And yeh, 3g kills things 4hours max when on 3g.
the main thing that seems to drain the battery for me is web surfing and widgets which use the data connection. I now run a minimalist set of home screens with few widgets and have already noticed an increase in performance and battery life. 3g is pretty power hungry, but since vodafones 3g connectivity is so poor, I am often forced to use gprs through the day anyway as I'm plagued with time outs and dropping connections (if anyone from vodafone is reading, I've only been with you 3 months, and already I know I won't be staying with you come the end of my contract!)
Something's gotta be wrong with the test? I mean, look at the Captivate and Vibrant, both do about 4h 45m, but the Epic 4G does 5h 34m? Same screen, same battery, no? Yet ~50 minutes difference? Must be something other than the screen doing something...
Regards
Tachikoma_kun said:
Not quite true that it's just the screen.
I installed a widget to turn off data connections entirely (running on 1G phone and text only) and I get about 4-5 days off a single charge now, and that's with moderate gaming/music/ebook use.
If I want to use the internet/email/whatever I just click the widget, it reconnects in 10 seconds and I am away.
I am also running the LG Optimus launcher as well, which I notice gives me much better battery life than TouchWiz/Launcher Pro/etc (although don't hit the volume button on the homescreen as it force closes)
Click to expand...
Click to collapse
Tachikoma_kun, what widget are you using to shut off 3G?
I came to the Galaxy from a HTC legend and I miss the HTC widget that lets you shut down mobile date completely. When I first had my galaxy on JF3 firmware, I noticed there was an option in the settings to use '2G' only. But since flashing JM8 I can't see this any longer.
Most of the widgets I've seen do some jiggery pokery with the APN configuration to achieve the data/3G shutdown, does the widget you use do the same thing?
Thanks
What's the point of having an android phone if you can't use as mobile internet as you want? I'm on unlimited data plan and my SGS lasts less than half a day on full charge with data on. Its the same thing with my old experia x10i. So I'd assume its the 3g/hsdpa connection. I had a blackberry 9700 as well. Battery life shortens significantly with 3g on.
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Sent via the XDA Tapatalk App
OK OK OK...
This isen't a battery thread that shows my battery lasting 10 days with me using it 1 second at a time with no bluetooth and wifi sharing frozen or whatever...
I really think the battery life is great... I'm convinced that the whiners are the ones that can't keep their hands of their phones, correct me if I'm wrong..
Anyway I ran the phone non-stop replaying a run on the first track of JetcarStunts for the first 2 hours then FPse running Street fighter EX2+ for the rest I also Checked e-mails and messages every now and then.. probly 10min worth.
Screen was on FULL Brightness, Push Email was on (2 accounts), with Pulse updates, Wifi ON, BlueTooth ON, GPS ON, Full reception in a 3G covered Area, Sound was half way cause it was driving me crazy at one stage, and I have it running @ 1.4ghz with no over and undervoltage, GPU is fixed @ 267 / 1000mV as you can see from my home page pic..
Anyway referring to the Battery usage pic... It was on and off for the first 10min before I decided to do my experiment, you'll also notice that the screen went off for a smidge a little later that's cause I forgot to touch the screen to keep it active (keep-awake was set to 10min) & it mentions Charging that's because I plugged it into my PC's USB out of habbit it was like 2 seconds before I realised.
You'll notice that the graph takes a dive during the later stages I think FPse was taxing the phone more then JetCarStunts... Having said that I can comfortably say that we can get at least 3h and 30min continuous usage out of our phones with everything MAXED out... Not bad for a duel core phone right? I also attached a Iphone4/3/3gs comparison pic.. but the testing was different
Quote: On the iPhone 4, I was able to browse the Web with streamed musical accompaniment for 50 minutes, make a 30 minute phone call and watch another 44 minutes of Shaft's Big Score before the new phone called it quits-4 hour and 32 minutes after testing began. And while the iPhone 4's 40 percent longer battery life was truly impressive, I worried that the year-old 3GS's battery had significantly less capacity than when purchased.
It doesen't mention if the streamed music was from wifi or 3G
P.s: I'm not sure if me interacting with the phone ie.. touching the screen and playing games takes up more battery life, If so can someone that aint married with 4 kids try the test out.. And I mean from start to Finish none of this I played (Insert game here) for 30 min and the battery went down 50%
Edit: Firmware version is KF2 with LULZ KERNAL BUILD 1
Nice results and impressive. I would be VERY interested to see the iPhone 4 tested again with identical usage pattern to what you did with the galaxy s2. My hunch is iPhone would last even longer at same usage.
Hey guys, I'm very new to XDA but I really hope someone can help me out. I'm a nexus fan and its just the best but I bought the nexus 6P thinking that I'm going to get around 6 Hours SOT considering I used to get around 4 with my N5 with the same level of usage. I want to know what I'm doing wrong or if I'm overlooking something.
Let me tell you about my phone and how I use it.
I have Elemental X + Pure nexus installed
Elemental x settings are on Ghost Pepper and I put CPU governmer on ' ondemand '
• I don't have Facebook and Messenger installed (These two were some SERIOUSS battery hoggers )
• I use google chrome push notifications as a replacement
• I use snapchat but not very excessively
• Turned off all gestures as i never used them
• Adaptive display is off
• Ambient display is off
• Notification Lights are off
• GOOGLE automatically syncs everything at anytime but other than that i manually sync whatsapp
• Location is always off except at rare times
• I use bluetooth to connect to my car to play music for an hour daily.
• Brightness is at 30-60% for 3/5th the day, 2/5th of the time it's lower than 30%.
• LTE is on for aboutt 4-5 hours a day and the rest is on WIFI.
Furthermore, I use my laptop more than my phone so I'm constantly picking up my phone and am not allowing it to fall into deep sleep for a good amount of time except at night or when im playing some serious CSGO; I noticed that its during the screen off time where I'm losing so much battery.
Now after reading all of this, do you still think I deserve to get that much screen on time?
Is there some setting I have missed out or is it the kernel + rom combination, I am really frustrated. This phone is magical but the battery is just so disappointing, I want at least 5 hours on screen time (I just barely reach 4 hours SOT)
Oh and let me further explain how the battery dies. Usually I'll be browsing facebook or 9gag and using snapchat and lets say its at 90%, it wont budge for 10 minutes or even more regardless of how heavily I use it. But the moment I turn the screen off and turn it back on, woooshh I'll lose 1%, and when I start using it again, another percent drops instantly. This is just seriously irritating and I have no clue as to what I need to do.
Thank you for any help!
No one I've ever read of gets 6 hours of screen time on this device. Between 4.5-5+ is pretty typical.
Playing music while the screen is off will have a pretty big impact on sot, especially if it's playing via the phones speakers. I know that has a big impact on my sot. There are some screenshots on here of 6 hours sot, but I suspect they set the screen timeout very high while leaving the device inactive. 4 hours is the average sot on this device from my experience.
jibanator said:
Hey guys, I'm very new to XDA but I really hope someone can help me out. I'm a nexus fan and its just the best but I bought the nexus 6P thinking that I'm going to get around 6 Hours SOT considering I used to get around 4 with my N5 with the same level of usage. I want to know what I'm doing wrong or if I'm overlooking something.
Let me tell you about my phone and how I use it.
I have Elemental X + Pure nexus installed
Elemental x settings are on Ghost Pepper and I put CPU governmer on ' ondemand '
• I don't have Facebook and Messenger installed (These two were some SERIOUSS battery hoggers )
• I use google chrome push notifications as a replacement
• I use snapchat but not very excessively
• Turned off all gestures as i never used them
• Adaptive display is off
• Ambient display is off
• Notification Lights are off
• GOOGLE automatically syncs everything at anytime but other than that i manually sync whatsapp
• Location is always off except at rare times
• I use bluetooth to connect to my car to play music for an hour daily.
• Brightness is at 30-60% for 3/5th the day, 2/5th of the time it's lower than 30%.
• LTE is on for aboutt 4-5 hours a day and the rest is on WIFI.
Furthermore, I use my laptop more than my phone so I'm constantly picking up my phone and am not allowing it to fall into deep sleep for a good amount of time except at night or when im playing some serious CSGO; I noticed that its during the screen off time where I'm losing so much battery.
Now after reading all of this, do you still think I deserve to get that much screen on time?
Is there some setting I have missed out or is it the kernel + rom combination, I am really frustrated. This phone is magical but the battery is just so disappointing, I want at least 5 hours on screen time (I just barely reach 4 hours SOT)
Oh and let me further explain how the battery dies. Usually I'll be browsing facebook or 9gag and using snapchat and lets say its at 90%, it wont budge for 10 minutes or even more regardless of how heavily I use it. But the moment I turn the screen off and turn it back on, woooshh I'll lose 1%, and when I start using it again, another percent drops instantly. This is just seriously irritating and I have no clue as to what I need to do.
Thank you for any help!
Click to expand...
Click to collapse
GhostPepper is meant to run on interactive governor not ondemand. Disable TouchBoost under CPU in EXKM.
As for the rest I can't comment because you use the phone differently than mine.
I came to understand that phones are different from each other. Some have 5-8 hours of SOT and some have 3-5 hours SOT. Usage is different from each person and phone.
I would agree with several of the others that SoT is more typically 4-5 hours...I use my phone pretty heavily so I'm probably toward the shorter end of that, but even with a somewhat degraded battery (70% according to accubattery) I can still get 3 or at least close. Now granted I was only getting 1-1.5 but I went through and wiped my phone, heavily limiting the number of apps I had installed (I had a ton), and reducing the number of Google apps and services (now, etc.) that I used. Other than that just a couple minor kernel tweaks (hawktail6p profile, disable touchboost, disable zram, etc. not even sure on that last one lol)...anyways getting much better battery afterwards.
I get 2 hours of sot. My phone is about a year-and-a-half old.
I have tried all sorts of ROMs and different kernels and every tweet you can think of to try to extend my battery life. But nothing works. I'm going to have to just get a different phone soon.
choder said:
I get 2 hours of sot. My phone is about a year-and-a-half old.
I have tried all sorts of ROMs and different kernels and every tweet you can think of to try to extend my battery life. But nothing works. I'm going to have to just get a different phone soon.
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Click to collapse
Choder...I have also had my Nexus 6P since the first week it was released. I also was getting horrible battery life and I decided to order a new battery and replace it. I can tell you that my factory battery over almost a year and 3 months, had degraded horribly.
Remember when you first got it charged it up to full, the battery percentage would read 100 percent for almost a half hour BEFORE dropping. Well, it's like that again with this new battery I ordered off of ebay. Routinely getting between 5 and 6 hours SOT. I don't use my device for games, so its browsing, youtube, checking email and messages throughout the day. Don't get a new phone...spend the 13 bucks on a new battery and save the cash.
xBigMikex said:
Choder...I have also had my Nexus 6P since the first week it was released. I also was getting horrible battery life and I decided to order a new battery and replace it. I can tell you that my factory battery over almost a year and 3 months, had degraded horribly.
Remember when you first got it charged it up to full, the battery percentage would read 100 percent for almost a half hour BEFORE dropping. Well, it's like that again with this new battery I ordered off of ebay. Routinely getting between 5 and 6 hours SOT. I don't use my device for games, so its browsing, youtube, checking email and messages throughout the day. Don't get a new phone...spend the 13 bucks on a new battery and save the cash.
Click to expand...
Click to collapse
i've seen the DIY battery replacement video on youtube. Looks difficult IMO. what did you think? Have you ever done anything like that before? really interested in trying but intimidated and don't want to bork my phone....
I am getting 2.5h SOT....any governor, any kernel, any ROM....just a bad device to buy for a good battery life.
I mean, it's frickin huge!! Of course you should expect 4h...but 2.5h cmon....I swear of God there is something wrong with Android...my phone turns off at 35% saying Power (0%) Shutting down...WTF?!?
mihovil13 said:
I am getting 2.5h SOT....any governor, any kernel, any ROM....just a bad device to buy for a good battery life.
I mean, it's frickin huge!! Of course you should expect 4h...but 2.5h cmon....I swear of God there is something wrong with Android...my phone turns off at 35% saying Power (0%) Shutting down...WTF?!?
Click to expand...
Click to collapse
That shutdown at 30% is a known issue. You should RMA your phone. Huawei extended the warranty at least through the end of this month.
---------- Post added at 09:23 PM ---------- Previous post was at 09:15 PM ----------
jt1998 said:
i've seen the DIY battery replacement video on youtube. Looks difficult IMO. what did you think? Have you ever done anything like that before? really interested in trying but intimidated and don't want to bork my phone....
Click to expand...
Click to collapse
If you find DIY intimidating you can always get a quote from a phone repair place. It would be cheaper than getting a new phone but you have to do some extreme things to get long battery life out of the 6P because the phone wasn't really made that way. Rooting, using a kernel tuned for battery savings (which will likely affect the performance of the phone) and using Naptime (which puts the phone into Doze as soon as the screen goes off) will all increase overall battery life.
jt1998 said:
i've seen the DIY battery replacement video on youtube. Looks difficult IMO. what did you think? Have you ever done anything like that before? really interested in trying but intimidated and don't want to bork my phone....
Click to expand...
Click to collapse
It's not as difficult as it looks. Just make sure you have the proper tools. A heat gun, the hobby knife to fit between the aluminum body and the plastic screen housing.
Once you get the separation you can use a guitar pick to undo the clips around the edges of the 6p. Just take your time.
hh11bbaacchh11 said:
I came to understand that phones are different from each other. Some have 5-8 hours of SOT and some have 3-5 hours SOT. Usage is different from each person and phone.
Click to expand...
Click to collapse
I've never seen over 5 hrs
Sent from my Nexus 6P using XDA Labs
Nothex said:
I've never seen over 5 hrs
Sent from my Nexus 6P using XDA Labs
Click to expand...
Click to collapse
So you haven't seen all. I can use my phone and get 6 to 7h SOT (check here on XDA and you will see a lot of people achieving the same). Places where LTE is very bad combined with Google services trying to sync whatever is the biggest drainer here that can bring me down to 4h.
rchtk said:
So you haven't seen all. I can use my phone and get 6 to 7h SOT (check here on XDA and you will see a lot of people achieving the same). Places where LTE is very bad combined with Google services trying to sync whatever is the biggest drainer here that can bring me down to 4h.
Click to expand...
Click to collapse
We'll I average 6:41 sot based on gsam averages. My phone rarely gets below 50-55% before I'm charging that night (9am-12am) the last time I was at 50% was a could days ago and was at 3:40 sot. The biggest thing I do is on any rom or kernel...
First is turn off all the sync under Google. That means contacts, calendar... Everything. No reason to let all the stuff just sync all day long. If I add a contract I go in account, Google and sync my contacts. The next thing I do is turn off all the background data syncing under data usage, cellular data usage for apps that need not sync. I leave days syncing for things like Google app, text apps browser, things your need to sync. Put location to battery saving unless I need high accuracy.
That's it, it's not rocket science, of you're still getting bad sot, your phone is likely with bad signal, not sleeping from a rouge app or maybe the battery is degraded a lot. If you're getting the shutdown issue, then RMA your phone, that's a bad bug.
In my case I was talking about sync under 'backup and reinit'. Having to switch off normal google sync would be a bit of a hassle. I use gmail (which is crap but haven't reconnected k9mail yet) and more important i use keep to share stuffs. I prefer sync over sot and I anyway reach a day.
But in my case, believe me, the root cause is bad gapps sync when having atrocious 3G (LTE little less draining) which is half of my day.
At home data connection is OK and I can get past 6h as I said. My device is only 6 months old. I have an estimated capacity of 3440mAh.
It's amazing how much we actually use our phones in a given day, especially when we watch "videos"! Rate this thread to express how many hours of screen-on time you can get on the Samsung Galaxy M51 before depleting the battery.
Then, drop a comment if you have anything to add!
Getting 17hrs of screen on time minimum on full charge for youtube 3hrs , clash of clans 2hrs and 45-50 mins of calls per day....last 3 days with my usage
Plus Whatsapp of 1 hrs approx per day
gandeepan said:
Getting 17hrs of screen on time minimum on full charge for youtube 3hrs , clash of clans 2hrs and 45-50 mins of calls per day....last 3 days with my usage
Plus Whatsapp of 1 hrs approx per day
Click to expand...
Click to collapse
SS or it didn't happen
I've had this phone 2 days and so far I've had 6 hours 31 minutes of screen time and I have 58 percent battery left. This is mostly YouTube, Web browsing, an hour of downloading apps from play store and a bit of emulation (ppsspp) am extremely impressed with the battery life on this phone.
Battery lasts more than 2 days at Medium Power Saving mode with moderate apps usage(no gaming but with youtube, magic fluid live wallpaper, whatsapp, browsing) and SOT approx 13+ hours in these two days. At the end of second day battery remains at 30-35%.
Has anybody here compared to the Moto G8 Power? Is the battery life even better?
GoogleoverK said:
Has anybody here compared to the Moto G8 Power? Is the battery life even better?
Click to expand...
Click to collapse
Exactly how do you think a cheap SD 665 11nm chip with a 5,000mAh battery will do against a higher tier SD 730g 8nm chip with a 7,000mAh battery?
Hmmmmm ?
Devilmonkey27 said:
Exactly how do you think a cheap SD 665 11nm chip with a 5,000mAh battery will do against a higher tier SD 730g 8nm chip with a 7,000mAh battery?
Hmmmmm ?
Click to expand...
Click to collapse
Could have answered like a normal person.
GoogleoverK said:
Could have answered like a normal person.
Click to expand...
Click to collapse
I did... Exactly how do you think they will compare?
@Devilmonkey27 No need for snark...
It was a genuine question, try to provide a genuine answer. Please reply properly or don't reply at all.
Didgeridoohan said:
@Devilmonkey27 No need for snark...
It was a genuine question, try to provide a genuine answer. Please reply properly or don't reply at all.
Click to expand...
Click to collapse
So exactly how do you think a phone with half the specs will do?
Devilmonkey27 said:
So exactly how do you think a phone with half the specs will do?
Click to expand...
Click to collapse
You're missing the point. My post has nothing to do with that...
I'm simply asking, that if you have anything to add to a thread, please do so in a constructive manner without snark or attitude. It would have been very easy for you to convey your message without being rude or condescending.
If you've got more to discuss on this particular matter, please contact me through a private message (to keep the thread on topic).
Devilmonkey27 said:
Exactly how do you think a cheap SD 665 11nm chip with a 5,000mAh battery will do against a higher tier SD 730g 8nm chip with a 7,000mAh battery?
Hmmmmm ?
Click to expand...
Click to collapse
To come back on it, I have it since today and so far it's looking like the G8 Power has better or equal batterylife, standby drain is somehow bad on the M51, I checked all apps. Still I'll let the software settle and get through more cycles and check Gsam Battery Monitor in a couple of days again.
I honestly blame Samsung's other apps that aren't used and aren't able to be disabled or uninstalled.
Hi guys. I wanted to let you know my findings and provide some test results of galaxy m51 battery life. Firstly, I will outline what was my priority for that test. I wanted to check how long the phone can last mainly on google maps navigation with additional apps in the background. Also this test is a bit static so to speak but had no chance travelling for so many hours. That said I believe SOT was tested correctly for my planned usage. I guess in a real case scenario, I would need to do some more browsing and perhaps occasional screen switch offs during a break like filling up the fuel or stop to rest on a bicycle.
How I performed my test.
1. I did some initial installations, downloaded my apps and logged in to social apps such as FB, Spotify so they can work in the background, send notifications etc.
2. Once I completed the setup, I charged the very new phone to 100%. AccuBatter reported capacity was 6800mAh designed capacity not 7000mAh and estimated capacity 6700mAh.
3. CPU-Z reported Snapdragon 730 so I regret it is not 730G and honestly I do not know how to check with online stores as the packaging does not help with this. Also, I plan to test POCO F2 PRO 8gb ram/256gb version the same way and see how it goes since I get better hardware, but I like SD card slot on galaxy m51. Very useful when resetting the phone.
4. Set google maps navigation, lunched another app which uses GPS and LTE for maps showing speed cameras, road works or dangers which I use alongside with google maps. I also start shuffle play on Spotify to imitate streaming the music in my car or on the bike.
5. WiFi, LTE, GPS, Bluetooth, sync was enabled, blue light filter enabled.
6. Between 15-20 apps were in the background.
7. I unplugged the device from the mains.
8. Initial 15% discharge was with a WiFi connection with my router. Then switched of my router for overnight, left wifi enabled on Samsung but it had to continue downloading data over LTE such as Spotify music streaming. I also changed google map setting to day light only to avoid night backlight.
9. I went to bed? and in the morning there was still a lot of juice.
10. Around 20% discharge I took about 100 pictures most of them in burst mode to simulate a trip where you simply stop and take some snaps.
11. I stopped the test at 1% discharge and noticed no heating problem. The phone was cool during the test.
The overall SOT measured until 1% discharge was a staggering 17h 50m? Below you will find AccuBattery screenshots. At remaining 15% I had still over 2 h 42 m of use left.
This phone reminded me of good, old days of my Samsung galaxy s3 with a Zerolemon 7000mAh?
Now with my galaxy s7 deteriorating battery (current capacity just over 2300mAh) this is a great thing. For Galaxy s7 I also own a KiwiBird powerbank case of 5400mAh right from the beginning wich did its job when away from the mains, travelling etc.
I guess for a more accurate SOT, I would need to add some phone calls and browsing but even with I deduct 2h, it is still nearly 16 h of use. Like for me excellent. I also do not plan gaming.
On the downside of this phone it seems like my galaxy s7 takes a bit better picture, but it just might be my perception of selfies taken. Back camera is also just ok on a cloudy day. Ok but that is an offtopic.
I got my M51 yesterday and I am not fully sure yet about battery lifetime. I have charged it to 100% and about 8 hours and 2.5 hours secreen time later I am at about 90%.
Coming from my Moto Z Play I am not sure yet if I stay with the galaxy. The Mot Z Play with Incipio OffGrid Wireless Power Pack mod is about the same size and weight. Though provides less capacity (3300mAh phone + 2200mAh power mod) but battery lifetime still was bout 3-4 days usually.
The M51 is also getting considerably warmer during use.
I noticed also the Samsung battery saver with medium settings can reduce the CPU clock to max out at 70% which is handy. Not sure if there is any undervolting, underclocking tools as I think I would be perfectly fine with less performance - actually I was able to reach insane battery life on my old Galaxy P1000 with TricksterMod and custom undervolting back in the days.
I still believe better lifetime with the M51 would be possible bz reducing CPU clock and also with better screen brightness control. I noticed many times already that the M51 screen was too bright for me and having to reduce the slider to "minimum" position or very close to it. Also I noticed that the screen brightness slider is not linear at all. So on the last notch on the left side the screen really starts to dim properly while to the right there isn't much change. Also I like still to use automatic screen brightness adjustments but found the automatic adjustment often moves the brightness too high.
Also a possibility to limit the used screen area (e.g. display black bar on bottom/top) would save energy on the AMOLED screen while still providing more than enough screen space.
EDIT: One-Handed mode sort of provides this feature, but not exactly what I was looking for (like cinema-bars on top and bottom and no prominent "one-handed-mode" title.
I will continue to use the M51 for a couple of charges and decide if I am going to trade it again. The phone itself is performing well, supporting VoLTE WiFi calling but seems to lack carrier aggregation for no apparent reason. I strongly dislike the slippery, fingerprint-attracting, cheap-looking plastic backside of it.
I also hate that everywhere you tap it tries to sign up to a Samsung account. Also replaced the launcher with Nova launcher.
Below is the answer to almost all above useless posts
Battery life tests - GSMArena.com
Why I say useless ?
Simply. SOT will be completely different when you read ebooks compared when you watch movies or browse Internet.
Gsmarena does standarised comparison
I am fan of long life battery phones. I used "king" Lenovo P2 for over 2 years. M51 is better.
I'm at the fourth cycle of charge.. and got 15 hrs so far.. have done a heavy idb debloating
maby it will increase over more charging cycles?
i m getting about 20h sot normal usage
facebook lite, browser , youtube , aliexpress and playing alphalt extreme 30 min
wifi and dark mode on
brightness between 10-40 %
data off
location off
this phone have a very good battery