Hey all, I was wondering if anybody had any suggestions for a kernel that is good for battery life. I am running the stable release of CM7 and I have the OEM extended battery (came with the phone when I bought it) and I currently can get about 1.5 days of moderate use (wifi turned on whenever available, frequent twitter/facebook/foursquare updates, heavy texting/emailing and moderate web browsing) but I am always open to new options for improved battery life.
The kernel I have now is underclocked by about half and I find that helps a lot (if I remember correctly, it is the stock kernel).
Best kernel in my opinion for AOSP is Tiamat: http://tiamat-aosp.com
I am somewhat new to the non-stock rom/kernel game but have the latest version of incredikernel with CM7 stable and really like the combo so far
The stock CM7 kernel had lower wifi performance for me with Incredikernel it is back where it should be
scook9 said:
I am somewhat new to the non-stock rom/kernel game but have the latest version of incredikernel with CM7 stable and really like the combo so far
Click to expand...
Click to collapse
Agreed. Incredikernel FTW.
Flash the lower voltages to get even better battery life. If your phone can take them without rebooting often then you'll get a significant increase in battery life while maintaining the same CPU power.
2.6.37.6-incredikernel is working phenomenally for me
Incredikernel is the best I've found on any aosp rom. Awesome battery life.
Sent from my Incredible using XDA App
POQbum said:
Agreed. Incredikernel FTW.
Flash the lower voltages to get even better battery life. If your phone can take them without rebooting often then you'll get a significant increase in battery life while maintaining the same CPU power.
Click to expand...
Click to collapse
Curious, is there a guide or instructions on how to flash the lower voltages. I've checked out Chad's thread and it confuses me.
Incredikernel FTW
I went with Incredikernel. So far so good, it's been off the charger for about 13-14 hours now and it's at 82% battery. Wifi and GPS both turned on with a decent amount of texting/email checking and a little web browsing. It is underclocked about half way with SetCPU and still very snappy and responsive. Definitely happier with my phone than ever before.
Incredikernel is what my friend uses and he loves it.
Also wanted to add I have heard good things about Tiamat as well, another one you couldnt go wrong with.
Related
Alright, so I'm coming from cm 6 and I was using snap with it. But what I'm wondering, is what is the best kernel for fresh.
Thanks.
derik123derik123 said:
Alright, so I'm coming from cm 6 and I was using snap with it. But what I'm wondering, is what is the best kernel for fresh.
Thanks.
Click to expand...
Click to collapse
I'm running King's latest...#8 I think. Getting 53fps, 1250 Quadrant score with stock 998mhz speed. Seems good so far.
If you want great battery and dont care about the fps cap, stick with the latest stock kernel thats built right into fresh.
best kernel for lastest fresh?
I am using the kernal that came with the rom and it seems to work just fine. i thought the claims on battery life might be over rated but can say that with moderate use i got 37 hours from 100% to 15%. Might try kings again but not sure if that would hurt that battery life.
damanrob said:
I am using the kernal that came with the rom and it seems to work just fine. i thought the claims on battery life might be over rated but can say that with moderate use i got 37 hours from 100% to 15%. Might try kings again but not sure if that would hurt that battery life.
Click to expand...
Click to collapse
I promise you that the claims of improved battery life for the new HTC kernel are not overstated at all. In fact... there are no words to describe how much of an improvement it actually is. The theory follows that the other kernels will be re-optimized based on the new HTC kernel.
As above, stock gets the best battery life. If you need the OC/FPS/etc you can try King's #8 (I had stability issues, personally) or #6 (worked like a charm). Currently I'm using the netarchy 4.1.9.1 beta. Battery life could be better IMO, but feels really snappy. LP looks too good @ >50 FPS for me to stick with stock.
edufur said:
I promise you that the claims of improved battery life for the new HTC kernel are not overstated at all. In fact... there are no words to describe how much of an improvement it actually is. The theory follows that the other kernels will be re-optimized based on the new HTC kernel.
Click to expand...
Click to collapse
I have been running Fresh 3.2 with the built in kernel, but I've also been using SetCPU with a very low performance, battery friendly profile.
My question is whether I should be using SetCPU at all anymore, since I heard that this new kernel already supports throttling the CPU back when not in demand. I've been excited to test out how it effects my battery myself, but if someone has the answer, it would save me a week.
dom085 said:
I have been running Fresh 3.2 with the built in kernel, but I've also been using SetCPU with a very low performance, battery friendly profile.
My question is whether I should be using SetCPU at all anymore, since I heard that this new kernel already supports throttling the CPU back when not in demand. I've been excited to test out how it effects my battery myself, but if someone has the answer, it would save me a week.
Click to expand...
Click to collapse
Even if the stock kernel does scale down the voltage to the CPU, I think you would still need setCPU if you want to OC. However, the stock kernel probably does not support OCing. However, I think setCPU could still be beneficial for keeping the CPU running at minimum when the phone is in sleep mode. Then again, that feature could also be incorporated into the new HTC kernel for all we know.
Like someone else mentioned, Kings BFS #8 gave me stability issues, but #6 works fantastic in terms of performance and stability; not to mention, everything works on my phone as it should. I got 2 generic batteries and a charger from eBay for dirt cheap, so battery life if of little concern to me.
Is there a kernel for fresh 3.2 with cifs support?
I just rooted my DInc today and I heard about a kernel that ups the battery life. Is there such a thing, and if so, can someone point me in the right direction? Thanks in advance
Most kernels try to improve battery life. Are you running a sense rom or aosp rom?
If you're talking about Savage kernel, be careful... that thing uses an SBC (super battery charging) mod that can potentially harm your device in the long run. I personally am using VirusROM 1.5.1 with its stock kernel and have seen better battery life than SBC, but that's just me.
Sent from my HTC Incredible running VirusROM 1.5.1.
http://forum.xda-developers.com/showthread.php?t=848453
With this kernel my battery quite literally does not go down when it's sleeping (screen off), unless I'm in an area with bad reception. Screen on is also somewhat better than stock - it's hard to improve screen on at all, since that uses the CPU pretty aggressively. However, it does use improved scaling to always try and minimize the CPU load while keeping performance up. All that + HAVS (Hybrid Adaptive Voltage Scaling, which lowers the amount of power the CPU is drawing) = win battery life
Atlas.rouge said:
If you're talking about Savage kernel, be careful... that thing uses an SBC (super battery charging) mod that can potentially harm your device in the long run. I personally am using VirusROM 1.5.1 with its stock kernel and have seen better battery life than SBC, but that's just me.
Sent from my HTC Incredible running VirusROM 1.5.1.
Click to expand...
Click to collapse
The superior battery charging kernals will not harm your device, but instead may shorten the life of your battery over time. But at 15 dollars a battery, some believe it to a negligible side effect. Its all personal preference, really.
Sent from my ADR6300 using XDA App
How exactly do I go about installing the kernel? Sorry for such a n00b question, but I only did this today.
Futur Innovations said:
How exactly do I go about installing the kernel? Sorry for such a n00b question, but I only did this today.
Click to expand...
Click to collapse
If you're sticking with the stock ROM then search for a Sense based kernel, then read the OP and associated reviews in the comments following to learn how to install it, current features (what works and what doesn't) and any other possible info you'd need.
If you're planning on installing a different ROM, those already have kernels baked in, so give that a shot first and then try other kernels if you feel the need.
DInc/XDA App
I've had EXCELLENT results with the kernel from Myn's Warm TwoPointTwo RLS5 (NOT 5.2)
I forgot which one it was though... D: I think it was the ziggy 12/19...?
Kernels for Battery
I use the Newest Ziggy Kernel (BFS) with SetCPU set at conservative.
=Great Battery life !!
This kernel also enables other options like SmartASS and Performance, but conservative is a winner for battery life.
Which one are you using, and why? I can't figure out which one to load. I know I can try them out, but I was just wondering what others thought on the subject.
I'm running CM7 right now, the official release.
I am running Tiamat with the CM7 Final. My battery life has been much better than before, usually get about 18 hours of use. Everything seems to run nicely! I did a lot of research and tried a bunch of different ROMs, this one has been the best for me.
Tiamat!!!!
cordell12 said:
Tiamat!!!!
Click to expand...
Click to collapse
+1
I get awful battery life with SavegedZen. Everything is smooth with Tiamat, and I get great battery life. Ironically, I feel my 3G/4G and tethering speeds are faster with the Tiamat kernel as well.
I was using Tiamat when I was running CM. I was getting really good battery life and leaving data, wifi, gps ect... on. I usually charge at bed time and average moderate use but never had an issue with low battery.
In fairness to this post I have NOT used SZ so I might be biased. I have been reading up on it and noticed on cyanogens forums a lot of people swearing by the combo so I will probably give it a ****. I think this far into the game either are superb choices and it boils down to personal experience and phone specific issues.
Sent from my PC36100 using XDA Premium App
I use Tiatmat 3.3.5 scb kernel and love it. I took my phone off the charger about 11pm last night. I played on it for almost 2 hours solid and went to sleep and left it off the charger. I got up and spent about 30 minutes on it this morning. So far it has been up 9 hours and 44 minutes and still have 52%.
I selected a SBC kernel because I read on a thread over on XDA that it's best to use them if not charging all the time and you only charge overnight. Lot's of speculation on these kernels killing the batteries from what I read but I have yet to see any confirmed reports that this kernel damaged the phone.
Cyanogenmod & Tiatmat for the win!
Tiamat for battery, but savage has it beat on performance. Depends on what you want.
~ d3rk
dirkyd3rk said:
Tiamat for battery, but savage has it beat on performance. Depends on what you want.
~ d3rk
Click to expand...
Click to collapse
Tiamat wins, ha.
Is there a noticeable difference in performance? Where would I see it or notice it?
lehalter said:
Tiamat wins, ha.
Is there a noticeable difference in performance? Where would I see it or notice it?
Click to expand...
Click to collapse
No you wouldn't notice it much, in scores yes but not much to the end user.
~ d3rk
Mine is slightly reversed from everyone else in this thread.
Tiamat gives better performance but SavagedZen gives better battery life for me. I even discussed this with Tiamat's dev, cayniarb. I guess my Evo is weird.
Right. So a friend of my friend made me root his phone a while back and I threw mikg 2.52 on it and all was good. Now the guy contacted me today and said his battery life was in the crapper and wants me to change it to something more battery life favored since he isn't by a charger for a long time throughout the day. And since I have been using the new ics roms and jumping back and forth often I don't really know what to give him now.
So what's your opinions? I need something stable as a rock and best battery possible. I need this to last him a while since I almost never see this guy... Haha
P.s. I know people hate these kind of post. Just bear with me here because I'm meeting this guy tomorrow morning and have to know what I should flash for him. Also no aosp please.
Sent from my PC36100 using xda premium
You could have him try the one in your sig. It gave me great battery life when I used it, but as always, YMMV. You really have to try them out and see which gives the best battery life for you.
Also could try apps like Juice Defender or similar that aim to optimize battery life.
The only rom i can think of that ive used that doesnt drain your battery would be cm7 or decks gb. Ive used it myself & ive seen good battery life even with my cpu overclocked.
Does it work on viper rom? V2 redline? Thanks! Please let me know
I have the latest MIUI by Swiper, and since 2.2.6, my battery life has been phenomenal with Tiamat kernel 4.1.0, Car-O-Dope tweaks and Vipermod -50.
Phenomenal as in comes off the charger at 6AM and when I get home from work at 5, it's still over 80%
HipKat said:
I have the latest MIUI by Swiper, and since 2.2.6, my battery life has been phenomenal with Tiamat kernel 4.1.0, Car-O-Dope tweaks and Vipermod -50.
Phenomenal as in comes off the charger at 6AM and when I get home from work at 5, it's still over 80%
Click to expand...
Click to collapse
I can confirm this.. ALthough I use 2.3.2 b1 and 3.3.7 sbc kernel as I had some reboot issues with 4.1.0 but yeah.. I'm still at 100 percent at 11:00 am (work at 8).. come home and still at 90. go to bed and hit the charger right above 80. It's unreal.. I consider myself a heavy user too... email,sms,phone calls... etc.
I am currently using Swiper's 2.3.2 b1 with 3.3.7 sbc and have not run into any issues. Battery life is great with this combination for me. Also, keep in mind that I do not run many widgets except an calendar agenda widget.
Myn's Warm series rom's always gave me the best battery life.
i use energy sense 3.5 rom with anthrax kernel. iv had decent battery life w it. about 14 hours or so w moderate use and in and out of roam looking for signal. from what iv read CM7 and MIUI roms are much better with battery life than sense roms. they also seem to be more customizable.
xsisbest said:
I can confirm this.. ALthough I use 2.3.2 b1 and 3.3.7 sbc kernel as I had some reboot issues with 4.1.0 but yeah.. I'm still at 100 percent at 11:00 am (work at 8).. come home and still at 90. go to bed and hit the charger right above 80. It's unreal.. I consider myself a heavy user too... email,sms,phone calls... etc.
Click to expand...
Click to collapse
80% at night with heavy use throughout the entire day? I can't believe that. Screenshot? If someone else can validate this, I might try the rom with LEE kernel.
Sent from my PC36100 using Tapatalk
He did mention no AOSP (although AOSP really does have the best battery life IMHO)
Koni's Elite Series III combined with netarchy-toastmod HAVS-less had decent battery life, only issue is that was a Froyo build.
kluster1999: I agree, pic would be awesome.
I don't mean to sound rude, but different ROM and kernel combinations can only make so much of a difference. I'm skeptical of claims of amazing battery life with heavy usage because in the end, the battery is still the same size and the large screen still draws a lot of power.
Been having great Battery life with "The Exress" using" Lionfish more" kernnal and smurfed out....
What's your favorite kernel, considering battery life, speed, OC/UV options, and stability? I've been alternating between leankernel and franco.kernel and can't decide which I prefer. If you choose other, specify what your favorite is!
Trinity and lean are my favourites
Trinity... lean was also good for me...
Sent from my Galaxy Nexus using XDA Premium HD app
franco kernel
from battery saver to performance
-james bond
-lean
-franco
-trinity
mrdziuban said:
What's your favorite kernel, considering battery life, speed, OC/UV options, and stability? I've been alternating between leankernel and franco.kernel and can't decide which I prefer. If you choose other, specify what your favorite is!
Click to expand...
Click to collapse
I am using the kernel that come with CM9 beard off of Linux and I love it, I am getting better battery life using this than Franco's, but I'm not sure if you can just the kernel, I think you need to be on the ROM as well...
Sent from my Galaxy Nexus using XDA
i've tried lean,franco,glados and trinity..
both lean and trinity are my favorite, but for now i think i'll stick with lean
trinity for smoothness and super fast kernel
lean is for fast kernel + good batt
the latest trinity kernels...ofv and flatline are equal and in some cases better batt life then lean...without sacrificing performance...
I just recently purchased a Galaxy Nexus and have only tried out Franco Kernel. I get an average of 3.5 hours screen time while underclocked. After I record some accurate results, I think I'll switch to Lean Kernel in order to see which Kernel gives me the best battery life.
OrangeFever said:
I just recently purchased a Galaxy Nexus and have only tried out Franco Kernel. I get an average of 3.5 hours screen time while underclocked. After I record some accurate results, I think I'll switch to Lean Kernel in order to see which Kernel gives me the best battery life.
Click to expand...
Click to collapse
My thoughts exactly, although I've had my GNex for over 2 months.
Why not try both yourself for a while? Just flash them and see what suits you best... For me I started with Franco and just sticked to it as it works perfectly for my needs but I can't compare the both.
Tried Franco kernel, 17.2 give me the best battery life with slightly more than 3.5 hrs on screen time, for M1 and M2, can only last slightly less than 3 hrs on screen. Anyone also experience this?
Anyone here tried GlaDos kernel and have any reviews?
GLaDOS review
GLaDOS has both speed and good battery life. It's more or less based off the theory that processing stuff at higher speed will allow your phone to get more quickly back to sleep (not the same as "Deep Sleep"; the C4 rest state happens concurrently, even when you're on 1200 mhz).
But the only way to see if this pans out is to use it. You should try it with your daily usage and see if it works for you.*
For example, I find it has the best battery life for playing music with screen off (3% per hour speakerphone, 5-6% on bluetooth) and matches [or beats] the others for stress-usage (screen on, 8-10 apps in background gets around 20%). I haven't tried intermediate usage, because frankly, I don't use only a few apps when I'm using, so that's a gap to fill I guess. Note: streaming music is apparently a problem, judging from recent reports.
*Use BetterBatteryStats or an app with series history; the graph should become linear partway and that's when you know to take numbers.
Yeah but how do you backup your default kernel?
I just installed Franco kernel, why would one install lean kernel? what's the difference between two anyway?
I think the answer to this question is, 'it depends'.
I think the ROM/Kernel combination has an impact on performance and battery life.
For example: previously while running bixie's stock and AndroidME, I had great performance with Trinity. However, on AOKP, trinity delivered poor battery life. With AOKP, I found Franco to be a better match.
gbarayah said:
I think the answer to this question is, 'it depends'.
I think the ROM/Kernel combination has an impact on performance and battery life.
For example: previously while running bixie's stock and AndroidME, I had great performance with Trinity. However, on AOKP, trinity delivered poor battery life. With AOKP, I found Franco to be a better match.
Click to expand...
Click to collapse
OK, you're right I didn't really gave you enough information on my end)
I'm using stock Jelly Bean 4.1.1 OTA, I did rooted my phone so that I can install different kernel
I'm using few social (facebook,google+,foursquare,etc) apps, some messengers (what'sup,kik,google voice)
as far as data goes I'm using Juice Defender and that helps me a bit with my data on/off
but what _REALLY_ kills my battery is screen, in the best case scenario I was able to archive a little over 2h of screen time and in most cases it's ~1:30h
i'm using standard battery in my phone.
my goal is _SOMEHOW_ increase screen time
that's why I'm trying out franco kernel)
Stock.
Sent from my AOSP Android 4.1.1 Galaxy Nexus.
Tried trinity and faux and Franco with AOKP and I find Franco to be best with AOKP. I have it overclocked to 1.3GHz and no undervolt, since I have smart reflex on
Swyped on my Galaxy Nexus running AOKP with Franco Kernel