Database Users

I'm Getting Great Battery Life!

I installed OMGB-6 when it was released. Then flashed invisiblek #21 kernel and the new market. Since I last charged it, I've talked on it for about an hour, used the web-browser (Skyfire) fairly moderately, sent a few emails (Gmail), and spent a total of about an hour of GPS through the application WAZE. I'm left at 22% battery left after about 22 hours of use.
I've been fairly lazy with regards to changing the screen brightness, so it's been on about 50% brightness. I've left sync and gps on during the whole time.
I've been using Watchdog as a smart task manager. I have SetCPU installed, but I haven't used it at all.
Here are some pics:
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I have not installed the kernel but my battery life is terrible. I barely have any apps and I do not use my phone a lot. I love the rom (favorite by far). Should I try to install the kernel.
Sent from my Htc Incredible using XDA App

rllong1 said:
Should I try to install the kernel.
Sent from my Htc Incredible using XDA App
Click to expand...
Click to collapse
Can't hurt, just nandroid first, or have a spare kernel handy.
Sent from my ADR6300 using XDA App

I chewed through my battery in about 10 hrs today with the same kernel.
Guess I use mine a lot more. I've also got 26 hrs out if it when I barely use it.
Don't think you get great battery life when you don't use it much.
I'm in CM 6.1 but that wont really matter.
Sent from my Sprint Galaxy Tab

True, I haven't been using it all that much. But compared to other ROM's I've used, this get much better battery. Everything else I've tried out got me a max of ~12 hours even on idle the whole time.
Definitely try to install the kernel. Can't hurt! Just make sure you always have a nandroid backup available.

anekdotos said:
I installed OMGB-6 when it was released. Then flashed invisiblek #21 kernel and the new market. Since I last charged it, I've talked on it for about an hour, used the web-browser (Skyfire) fairly moderately, sent a few emails (Gmail), and spent a total of about an hour of GPS through the application WAZE. I'm left at 22% battery left after about 22 hours of use.
Click to expand...
Click to collapse
Stock Battery?

50% Brightness?!?!?! Wow....battery life is not worth looking at a dull screen. 100% all the way for me...im using 1800mah from ChiChitech that I got for $20. Seems to help enough.
I'm also running a Gingerbread ROM (Evervolv a17) but can't tell what difference it's making on battery.

h3rmanmunst3r said:
50% Brightness?!?!?! Wow....battery life is not worth looking at a dull screen. 100% all the way for me...im using 1800mah from ChiChitech that I got for $20. Seems to help enough.
I'm also running a Gingerbread ROM (Evervolv a17) but can't tell what difference it's making on battery.
Click to expand...
Click to collapse
the screen is not dull when it's set low...lol 100% brightness is like staring at the sun for me.
Sent from my ADR6300 using XDA App

gr.ayre.st/s/screenshots/android/incbattery_0.png
gr.ayre.st/s/screenshots/android/incbattery_1.png
gr.ayre.st/s/screenshots/android/incbattery_2.png
Edit: I made some screenshots but XDA's spam prevention (no external links for new accounts) prevents me from actually linking them. You can copypasta if you're interested in the details.
Hydra 1.13 overclock kernel, stock ROM, stock battery, auto-brightness. I'm currently at 20% battery after 2.5 days. Light usage over the weekend, but there is an hour and a half of talk time in there and a half hour of reading.
The trick to DI battery life is keeping the data network usage/standby under control. If you're trying to send/receive data with no signal, the phone will burn through its battery in 4 hours and I've used 20% in 15 minutes trying to book a flight on a low signal connection.
Realizing this took me a few months since I live in NYC and as such, go through a lot of signal shadows. Some days my phone would be at 50% battery after 12 hours, other times it'd be dead after 6. I now realize that the short days were caused by sync services trying to run when I was in a shadow. You can diagnose this for yourself by going to the cell standby section of the battery usage. If you're over 10% or so without a signal, you have this problem.
You can handle this manually by holding down the power (on the stock rom) and enabling/disabling mobile network. This is a pain in the ass.
I handle this with some simple Locale rules along with the Mobile Signal and Mobile Data plugins. The first is to shut off the data when there's no signal. The second is to shut off the data at work where I'm usually but not always on a wireless network. The third is to shut down the data during my normal sleep hours and airplane mode if I'm at home.
These easily got me to 36 hours so I grabbed an undervolt kernel, which gets me to 2 days of regular use. Daily I do about 15m of talk, 40m reading news/email on the subway, and another 30 mins browsing/messaging/misc. My monthly data use is ~350MB.

While it is likely true that the OP and others have good battery life under their specific use conditions, battery life in general on smart phones is mediocre to poor at best. I have friends with various different models of smartphone (including iphone) and across the board battery life is not good. The exception is blackberry, but I don't consider those competitive from a tech and feature standpoint. Obviously different people are going to have different opinions and experiences based on the various factors that influence battery longevity.
The solution is to stop worrying about it, get a spare or two or three and pop in a new battery when one dies. This imo is one of the best things about the Dinc and Android phones in general. Just my 2c.

Battery Life moaners

Fed up with the moans about battery life. Yes there are issues but not to the extent that some people suggest.
Below are screenshots of my battery usage:-
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This is from a normal usage of my phone. As you can see from the graph the last few hours were me connected to wi-fi constantly, tweeting, fiddling and browsing forums. Yes a quick drain but this is a phone!
My point of this post is compare this to tablets and netbooks. The majority last 6 hours, tops. The SGS II is a dual core, amoled phone. It was always going to be a beast on the battery. However if you use it wisely, ie only have Wi-Fi on when necessary, the phone lasts as this phone should.
It out performs most tablets and for the relative size of both screen and battery I would say that's hugely impressive.
Looking forward to your comments.
Sent from my GT-I9100 using XDA App

Your post is refreshing because of the following:
1) Clearly shows the display is the biggest drainer of battery. Anything else means you simply didn't setup your phone right or have some rogue app chewing stuff up.
2) You're not going bonkers with "OMFG my phone only lost 0% over 4 hours" and then post a graph that shows the screen was on for 2 seconds. Uh, well... duh! Completely stupid and pointless, glad your graph actually reflects real usage and battery drain.

samed1983 said:
Fed up with the moans about battery life. Yes there are issues but not to the extent that some people suggest.
Below are screenshots of my battery usage:-
This is from a normal usage of my phone. As you can see from the graph the last few hours were me connected to wi-fi constantly, tweeting, fiddling and browsing forums. Yes a quick drain but this is a phone!
My point of this post is compare this to tablets and netbooks. The majority last 6 hours, tops. The SGS II is a dual core, amoled phone. It was always going to be a beast on the battery. However if you use it wisely, ie only have Wi-Fi on when necessary, the phone lasts as this phone should.
It out performs most tablets and for the relative size of both screen and battery I would say that's hugely impressive.
Looking forward to your comments.
Sent from my GT-I9100 using XDA App
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Click to collapse
You could have posted this in the same battery thread to save some space on the front page in general section, no offence...

I am actually fairly happy with my battery life
My Android OS has never gone past 10%
Getting around 16-17 hours with heavy-ish use, not bad imo

kryptoner said:
You could have posted this in the same battery thread to save some space on the front page in general section, no offence...
Click to expand...
Click to collapse
You're right. We wouldn't want to take away from the banding on the left side of the display, Wi-Fi issues, and the camera pink spot.
Sent from my GT-I9100 using XDA Premium App

Andy2.2 said:
I am actually fairly happy with my battery life
My Android OS has never gone past 10%
Getting around 16-17 hours with heavy-ish use, not bad imo
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Click to collapse
Which rom are you using?

Op thats light usage...
Sent from my GT-I9100 using Tapatalk

kryptoner said:
Which rom are you using?
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Click to collapse
stock, although I'm still at the stage where I can't put the phone down for more than a couple of minutes.

Andy2.2 said:
stock, although I'm still at the stage where I can't put the phone down for more than a couple of minutes.
Click to expand...
Click to collapse
stock is fine, but tell us the kernel version

KE7
10char

If you use kf2 you can get rid of the wifi sharing and save 15% battery.

kryptoner said:
You could have posted this in the same battery thread to save some space on the front page in general section, no offence...
Click to expand...
Click to collapse
I couldn't find it again, my intention was to post in the same thread. Tried searching but came up with bumf.
Sent from my GT-I9100 using XDA App

now im gonna say this,
you people really shouldnt compare battery time like tht. Its the screen on time you should compare!! its far more accurate than this. i can get around 3h of constat use and connected to wifi. this is screen on time.

what's average screen time in hours for most users? i've been reading about 4 hours plus or minus 1. 8 hours is unreasonable on one charge? i like to read books so i am wondering about this. i highly anticipate this phone but the n9 kind of looks hot too if the rumor is true alien dalvik allows android apps on meego.

So what? You kinda never used your phone. Surf the internet connected via 3g and come back to tell me

So you use your phone less than my grandma and hardly get two days out of the battery?
Great, that's nothing to be proud of.
With this usage my Omnia7 lasted for a week but the SGSII drains harder than my kitchen sink.

I noticed light consumes unusually lot of power too .. I recommend not using it as torch. White screen works just as fine for me (in total darkness). It seems they put in even stronger LED then in previous models .. and it better be used just for the moment as photographic flash. Battery voltage drops significantly .. and it slowly returns after the LED is turned off .. which means it's really strained a lot.

I bet i can get 2 days of battery in the way you used your phone. Screen was rarely on, so you just showed us that you can get a day and a half of stand-by.

At the risk of being accused of grandma phone usage im actually fairly happy.. The wifi sharing thing is a ***** so axed that.
This is with stock but rooted ke7
Sent from my GT-I9100 using XDA App

I'm getting pretty good battery life aswell with stock kf2. The only thing I did is deleting some of he crappy samsung apps and froze wifi sharing. I get about 2 days of battery with normal use. And yes i do use the phone in these 2 days.
Sent from my GT-I9100 using XDA Premium App

wtf is going on with my atrix down to 30% after jus 4 hrs.

so my girlfriend took my phone to school at 7 comes home at 11 nd my battery was that orange-red color i check my stats nd it shows this
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Sent from my Atrix-4G, stock 2.3.4 (rooted)

I have that same issue. Rooted Bell 2.3.4. I don't know wtf is going on, but these past few weeks my phone battery just started too **** the bed. lm going too battery calibrate when l have the time. Might need one yourself too?

DopeHack said:
so my girlfriend took my phone to school at 7 comes home at 11 nd my battery was that orange-red color i check my stats nd it shows this
Sent from my Atrix-4G, stock 2.3.4 (rooted)
Click to expand...
Click to collapse
There's about 2 solid hours of screen time there, I wouldn't consider that too crazy. Did your gf realize the screen was on all that time? Your idle drain doesn't look great, try better battery stats and/or watch dog (mixed reviews).
Sent from my Supercharged CM7 Atrix

Watchdog is awesome, a must have! But yeah if you haven't calibrated you need to.

Wifi + screen on = loads of watching YouTube clips online while many apps using wifi open will definitely kill your battery.
Sent from my MB860 using XDA App

Yeah.. after root my battery has gone HORRIBLE!!!!! Every time I check my phone, I get my messages then + 10% each other time (like every hour)
Sent from my MB860 using XDA App

CM7 + juice defender pro + misc power centric tweaks... My battery drains 4-8% at night, lasts all day with normal use. And then some.
Admitedly im a minimalist though. I tore out a lot of cm7 and its already core.
Toggle background data off when not in use too. There are a lot of smaller power tweaks though, its a science and takes tweaking.
Whip that power junkie 'rix into shape!
Ps: lol! And that gps youre running destroys power.
Sent from my MB860 using xda premium

I had horrible battery life (10% every hour) as well until i flashed the latest Orange UK radio and all of a sudden my battery lasts for two days without charging. Note that wifi is off most of the time and u only use my phone to listen to music on the go, send txt messages all day long and at the end of the day i have around 70%+ battery left.
Sent from my MB860 using XDA App

battery draining too fast!!!!
hey guyz..im new to xda..
like a week ago i deleted a system file on my atrix 4g and it started to give some force closes errors..so i flashed a new custom rom named " homebase " my phone is so fast and i like it bt my battery at the same time is draining so fast last night i recharged my phone and it didnt complete till 100% it sticked at 96% anw i worked for a little bit on my cell phone then left it and went to sleep,,and this morning it was like 63%..i jst need some help is there anyone that can help me with this kind of problems..
thx anw hope someone will know about my issue i realy need help...thx again

Try UV and underclocking for screen off.
I have amazing battery life. (Darkside 2.3.5)

Jibraldor said:
Wifi + screen on = loads of watching YouTube clips online while many apps using wifi open will definitely kill your battery.
Sent from my MB860 using XDA App
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Click to collapse
Umm how can she watch YouTube that much in school ? Ill end that one there. And @fishcwrap even if it was its timer is one minute nd my brightness all the way down even if ur contantly texting my battery doesn't die that fast nd she said she only used it to Google something once nd that was it I honestly think it has somethin to do wit the radios
Sent from my Atrix-4G, stock 2.3.4 (rooted)

xhazk said:
CM7 + juice defender pro + misc power centric tweaks... My battery drains 4-8% at night, lasts all day with normal use. And then some.
Admitedly im a minimalist though. I tore out a lot of cm7 and its already core.
Toggle background data off when not in use too. There are a lot of smaller power tweaks though, its a science and takes tweaking.
Whip that power junkie 'rix into shape!
Ps: lol! And that gps youre running destroys power.
Sent from my MB860 using xda premium
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Click to collapse
I don't have a data plan so the bg data is always off and GPS has not been on since the day I opened the UPS box its weird how airplane mode my battery would prolly last an entire week
Sent from my Atrix-4G, stock 2.3.4 (rooted)

My impressions about GS3 battery

I have bought GS3 2 days ago from Dubai the GS3 is amazing, this phone is the smoothest android phone I have ever used.
The only problem I have noticed with the battery it never reaches 100% it only reaches 99% when trying to get a full charge
So far I get with this battery nearly 8 hours and 30 mins to 9 hours with heavy usage, my phone is still unrooted so I didn't have a chance to try any juice defending apps.
Sent from my GT-I9300 using xda premium

I dont think anything is wrong with that....mw galaxy s doesnt reach 100% eighter...i think it has something to do with android protecting battery from overcharging
Sent from my GT-I9000 using XDA

That isn't too impressive. However, you can expect the battery life to improve quite a lot after about 4-5 full charge cycles. Thanks for posting your experience

When I was on stock roms with gs1 I had the same problem with 99% but cm7 and cm9 goes to 100%
Sent from my GT-I9000 using xda premium

aj178 said:
So far I get with this battery nearly 8 hours and 30 mins to 9 hours with heavy usage, my phone is still unrooted so I didn't have a chance to try any juice defending apps.
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Click to collapse
What about the screen-on time? Any screenshots?

jonathanyong said:
What about the screen-on time? Any screenshots?
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Click to collapse
Yes indeed, batt stats plz

Without more stats 8hrs doesn't mean a lot..... 8hrs gaming would be impressive though
Sent from my GT-I9100 using xda premium

Thanks for sharing your experience. Out of all my experience i can tell after few charges you would get a better battery life, up to 15% increase.

guys dont forget,if you need better battery life your first charge cycle should be a complete one without any interruption.

for a full charge cycle do i have to discharge the battery to 0% or just 1-5%

bala_gamer said:
guys dont forget,if you need better battery life your first charge cycle should be a complete one without any interruption.
Click to expand...
Click to collapse
should that be with the phone off as well? i have read that as well.
thanks for sharing. 8.30 hours of heavy use is respectable(if you can define heavy use it will be better though), but i had managed to get that with HOS on heavy use, even less so im confident it should be fine!
So confident i have already pre ordered a second battery as well! haha

I have been using the phone heavily since the past 12 hours which includes constant connection to 3g or wifi networks, app downloads, navigation for about half an hour, half hour of calls, 20+ texts, about an hour of streaming YouTube to my tv using twonky and I'm still at 35%.
And since the device is new so all my friends and colleagues have been checking out its sound, video and camera.
I haven't even been through my first full cycle yet and the results for me are pretty satisfactory so far.
Also it was connected to the car Bluetooth for about 45 mins and I had 15 mins of calls during that time.
Sent from my GT-I9300 using XDA

bala_gamer said:
guys dont forget,if you need better battery life your first charge cycle should be a complete one without any interruption.
Click to expand...
Click to collapse
I thought is this was true only for older type batteries?

Sc0rp10 said:
I have been using the phone heavily since the past 12 hours which includes constant connection to 3g or wifi networks, app downloads, navigation for about half an hour, half hour of calls, 20+ texts, about an hour of streaming YouTube to my tv using twonky and I'm still at 35%.
And since the device is new so all my friends and colleagues have been checking out its sound, video and camera.
I haven't even been through my first full cycle yet and the results for me are pretty satisfactory so far.
Also it was connected to the car Bluetooth for about 45 mins and I had 15 mins of calls during that time.
Sent from my GT-I9300 using XDA
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Click to collapse
awesome thanks
Sent from my SAMSUNG-SGH-I717 using xda premium

bgstcola said:
I thought is this was true only for older type batteries?
Click to expand...
Click to collapse
Urban legend...
"It is important to condition (fully discharge and then fully charge) the battery every two to three weeks. Failure to do so may significantly shorten the battery's life (this does not apply to Li-Ion batteries, which do not require conditioning). To discharge, simply run your device under the battery's power until it shuts down or until you get a low battery warning. Then recharge the battery as instructed in your user's manual."

Moderate usage ...
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Guys, the screen on time is the one we really need to see. It's the screen that really impacts the battery life on an amoled phones. Please try to include those in your screen shots.
Take this screen shot I just took from my GN for example. May look like great battery life but what you don't see is that the screen has only been on for 35 mins, so it's nothing at all special.

1902 said:
Moderate usage ...
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Click to collapse
Screen on time is needed to tell if that's any good or not.
Sent from my HTC One X using xda premium

thegregulator said:
Screen on time is needed to tell if that's any good or not.
Sent from my HTC One X using xda premium
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Click to collapse
You are right, three hours of screen on.
Sent from my GT-I9300 using Tapatalk 2

1902 said:
Moderate usage ...
Sent from my GT-I9300 using Tapatalk 2
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Click to collapse
Tap on "Screen" and post back screen shot
Sent from my HTC One X using Tapatalk 2

[Discussion] Running High Performance Mode all the time

Just wondering if anyone has tried running their One M8 in High Performance Mode 24/7. I noticed that cores are still disabled and clocked down when not in use while High Performance Mode is enabled, so I don't think it will use as much battery as everyone thinks. The governor just seems to be more aggressive at clocking up under load. I'm guessing 30 minutes to an hour less screen on time. I enjoy the smoother scrolling in some apps that it provides, so I'm going to try keeping it on and see how my battery life is.
Thoughts? Anyone attempted this before?

Unless you don't play any games or benchmark the phone you shouldn't really get some benefits of that...also questions should be placed in Q&A !
This mode is just meant to be used for games and benchmarks

But I do see the benefits of it without playing games or running benchmarks... Scrolling in some apps is noticeably smoother.
And I was hoping for more of a discussion, not just an answer, as I will post my findings and would like to hear the thoughts and findings of others.

I'm running it today just to check... Normally, I'm getting ->
http://forum.xda-developers.com/showthread.php?p=54548041
So I'll be disabling the power saver too.
Sent using XDA mobile app

th3 said:
I'm running it today just to check... Normally, I'm getting ->
http://forum.xda-developers.com/showthread.php?p=54548041
So I'll be disabling the power saver too.
Sent using XDA mobile app
Click to expand...
Click to collapse
Sweet lord. Am I reading that right? Your baseline is 10 hours screen on over more than two days... on a single charge???

gtg465x said:
Sweet lord. Am I reading that right? Your baseline is 10 hours screen on over more than two days... on a single charge???
Click to expand...
Click to collapse
Yes.
9-10 hours SOT (without gaming) with my normal usage.
Total time varies; 1d10hrs to 2d10hrs roughly.
Sent using XDA mobile app

th3 said:
Yes.
9-10 hours SOT (without gaming) with my normal usage.
Total time varies; 1d10hrs to 2d10hrs roughly.
Sent using XDA mobile app
Click to expand...
Click to collapse
Do you use any apps to save battery ?

Nope, I'm running just stock.
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kakyyabata said:
Do you use any apps to save battery ?
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Click to collapse
Power saver and screen brightness probably very very low i'd say. Can't really get over 6 hours screen on with realistic average useage with powersaver off in my humble opinion.

HtcOneJon said:
Power saver and screen brightness probably very very low i'd say. Can't really get over 6 hours screen on with realistic average useage with powersaver off in my humble opinion.
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Not at all.
The same thread linked has all the details.
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th3 said:
Not at all.
The same thread linked has all the details.
Sent using XDA mobile app
Click to expand...
Click to collapse
You didn't even posted a screenshot of your app usage...even if it says 40% it can be other things especially if you have such on screen time...I very doubt that it was high usage or whatever...maybe just had always screen on but never really did something

One-M8-Master said:
You didn't even posted a screenshot of your app usage...even if it says 40% it can be other things especially if you have such on screen time...I very doubt that it was high usage or whatever...maybe just had always screen on but never really did something
Click to expand...
Click to collapse
What you said is not just preposterous, it's stupid.
Only an idiot could believe some adult, working, family man would leave his phone screen on all day
I was at work all day. Used it as I described there. Nobody asked for what you now ask, so nobody got it.
As for doubting... So you get a bad battery life, I get it. You wanna see my 3 week average screen on time?
Note: AVERAGE
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Welp, my day of high performance mode is off. Will update tonight with my results.

Early results are looking promising.
7 hours on battery with 3 hours screen on time so far with high performance mode enabled, and only down to 63%.

gtg465x said:
Early results are looking promising.
7 hours on battery with 3 hours screen on time so far with high performance mode enabled, and only down to 63%.
Click to expand...
Click to collapse
I can't even get that on normal mode!

gtg465x said:
Early results are looking promising.
7 hours on battery with 3 hours screen on time so far with high performance mode enabled, and only down to 63%.
Click to expand...
Click to collapse
Thats great!
If your usage is not heavy, neither mode should matter much.
I checked my processor states, and nearly all the main time, 3 cores were parked, 1 running 300-645MHz.
Sent using XDA mobile app

All around the web I have seen people advising not to use High Performance Mode for anything but benchmarks because it uses a lot of battery, but it looks like those statements are all completely false. It uses a little more battery, but not a lot more, and it's certainly feasable to leave High Performance Mode enabled all the time. I still got great battery life.
On to the results. Nearly 17 hours on battery, with 7 hours of screen on time. More setup details below.
-Completely stock Sense 6, 4.4.3 (2.22.1540.3). No root, no custom kernel.
-Google Now enabled
-"Ok Google" from any screen enabled
-Blinkfeed enabled (with FB, Twitter, G+, and Insta as sources)
-GPS, Bluetooth, and Wi-Fi always on
-Pebble smartwatch connected
-Auto brightness set to 50%
-Spent most of the day on Wi-Fi, except for when I went out for about an hour
I used my phone a lot more than I would in a typical day to deplete the battery and get some results, so it will definitely last me more than a full day in High Performance Mode with my normal usage.

Interesting. Going to try this myself. I'm not a HEAVY user, so I'll leave it always on for now and see how it affects battery.

I'm running it right now... Battery is dropping fassst!
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th3 said:
I'm running it right now... Battery is dropping fassst!
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I'm pretty sure fast for you is slow for everyone else considering you're like the battery whisperer or something with your 10 hour screen on times.