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I'd like to hear some experiences that everyone is having on how the battery life is on the stock ROM (POST OTA, NOT OVERCLOCKED) vs custom ROMs (Again, NOT overclocked).
I've tried the Virtuous ROM, and as expected the battery life got slurped down like coca-cola! CM6.1 isn't as bad, but still seems to suck the life out of the battery quite a bit faster than stock.
Is everyone seeing similar? What makes the stock ROM so much better on the battery?
My experience was actually quite the opposite. When I switched to CM, my battery life improved by about 20-25%. I have a NAM Desire Z so it was running HTC Sense over Froyo.
Remember that it takes a few days of usage for your battery to 'calibrate' itself to the new ROM. My first two days on CM were really bad, but since then, battery life has improved greatly. Yesterday, after moderate use and 15 hours, I still had 45% of my battery left. With my stock ROM, I would be lucky to get 15 hours of use out of the phone period.
As far as overclocking goes, I haven't seen much of a difference in battery life. Reason is, even though you are overclocked when the screen is on, you can adjust settings to under-clock at other times, saving battery power.
I would recommend trying a Custom ROM for 4-5 days, that will give you a better idea about its battery life. Also, there are lots of settings you can tweak that affect battery life greatly. Widgets, background data, signal strength... SOO many variables in personal usage that battery life is going to fluctuate user to user regardless.
okay i have alot of thoughts and questions on the htc evo battery life. first off i think the devs have done a great job with improving it but in reality we aren't there yet IMO. i mean coming from the hero after calibration and a 1750mAh battery i had what id call good battery life, even without the use of custom kernels or setcpu. even with calibration on the evo, the bottom line is the battery life sucks ass. i cannot even believe htc released a phone with such ****ty battery issues. ive even seen posts on here from people with extended batteries with crap battery life as well.
number 1 they should of shipped it with a higher capacity slimline battery. if it weren't for the devs here the phone would be unusable as i can remember the first time i bought the evo in july i had it for a week and got rid of it the battery was soo bad.
then we have battery mod scripts like calkins & the colin tweak that honestly never did much for my phone. then of course the much debated sbc mod that alot of people says created issues. my own take on it is it seems more of a visual effect or placebo than anything. yes it seems to hold a charge a bit longer but only when the phone is not in use. whats the sense of owning a phone such as great as the evo but be afraid to use it at all?
the reason i do not use sbc is because something to me doesn't seem right about the way it charges the battery. for example: my phone had 88% battery left before i flashed the sbc mod, then after reboot it was back to fully charged? how the hell can that be possible?
so im sorry for venting but sometimes i think i may look into a smaller android phone such as the optimus s or another hero. does the evo shift have these issues as well?
so now i ask for advice from the users that "claim" to get well over 24hrs battery life on stock batteries. im running myn's rls4 rom with the netarchy 4.2.2 /less havs/ no sbc kernel. if i choose to use setcpu and do not want to overclock what settings should work best? or did i hear that havs & setcpu do not play well together?
thanks for listening!
My biggest issue is that it's very inconsistent. I'm on MikFroyo 4.3. When I flashed this ROM I upgraded to all the newest radio, PRL, PRI, etc. It used the stock HTC #15 kernel and I was getting OUTSTANDING battery for the first 5-7 days. Then, literally overnight, my phone started losing 10% of its battery per hour while NOT IN USE. And, no, it wasn't the Up vs. Awake issue, I hadn't installed any new apps, none of that. So I "downgraded" PRI to 1.77 and STILL, absolutely horrible battery life. I've tried different kernels but nothing works. I can take my phone off the charger at 5am and be down to 15% battery by noon with LIGHT use. Signal strength isn't an issue either. It's just frustrating. I understand that these phones have large displays and constantly multi-task but you would think HTC would realize that these phones are going to be used by "power users" and plan ahead for it. But I suppose if our battery wasn't an issue we would just find something else to ***** about all day, lol.
Try miui, that rom gives me the best battery life I have ever seen.
Buff McBigstuff said:
Try miui, that rom gives me the best battery life I have ever seen.
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+1. I get better battery life with my EVO running MIUI than I did on my Motorola Renegade clamshell phone, and probably twice the life I got with my Hero. I replace my battery with a charged one every morning and I generally still have 50-60% life left when I do that. I have gone 2 full days on a charge. I did not get this kind of battery life out of any sense ROM I have tried.
You say, MIUI, I say CM6 or 7. All depends on what you like, really in regards to ROM.
I can say that I do get better battery life on CM vs something like Myn's. My phone does stay on for more than 24hrs with somewhat light usage. That means the display is on for about 2-2:30hrs in that time while I browse the web or look at videos, but the rest of that time, it has all of its radios on and is constantly pulling down updates for Twitter, FB, NYT, and Yahoo Mail.
I haven't had any sudden drops in battery life, but if I did, I'd probably buy a new OEM or near-OEM quality battery to replace it.
My BB Tour used to do far less and yes, it lasted longer, like days without a charge, but it didn't have all this stuff going on. So yeah, comparing this large bar phone with its huge display, on-going processes is sorta unfair.
That said, I do wish it lasted 2 or 3 days with light usage.
garekinokami said:
You say, MIUI, I say CM6 or 7. All depends on what you like, really in regards to ROM.
I can say that I do get better battery life on CM vs something like Myn's. My phone does stay on for more than 24hrs with somewhat light usage.
That said, I do wish it lasted 2 or 3 days with light usage.
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Coming from Myns rls 5 to cm7 both with stock kernels I could honestly say I see better battery life wit no OC on the CM7 rom. From my experience using warm 2.2 roms, I could get nearly 40 hours on the phone but in order for that to happen I have to barely use it. Which basically means its pointless. I mean if that's the case I might as well leave the phone turned off. Not to mention how much of your time that gets consumed searching for the perfect kernel to fit to your liking and phone.
I really do think the battery sucks on the evo but there are ways and roms to make it manageable. Sooner or later the new duel core & Tegra processors will be here soon, so bad battery life should be a thing of the past. Only because the CPU wont work so hard while sharing the strain we put on are phones. Lets just all sit tight and let technology take its coarse.
r0cky.Da.3v0.SU.-
+1 for MIUI. This is the best battery life I've ever seen. To the point where I stopped carrying my charger around. I still keep and extra battery just in case but I haven't had to use it in weeks. I get through the day easily on a full charge and I have no problem charging mine at night...I've been doing that since back in the day with flip phones. I thought everyone charged overnight while sleeping or is that not the norm?
Its also a norm for me if it needed it. Another reason I think MIUI and CM Roms are good on battery life is because ultimately they don't have 4g. I've been on the same charge all day and I still got some juice left to flash the new nightly for cm7. U gotta love it.
r0cky.Da.3v0.SU.-
Doesn't CM have 4G now? Even when I was on Sense roms I rarely ever used the 4G though. Same here though, I took my phone off the charger around 3pm, got home from work around 4am and still had plenty of juice left to back up, flash the new MIUI rom, and set it up. Seems like battery is getting better with every new release. No complaints here.
I don't get 24 hours battery, but I don't lose any battery while idle on a sense rom either. I'm on mikfroyo, with net's 4.3.1 cfs havs nosbc kernel. I'm using setcpu, and my screen off profile is 245 min and max smartass. With the screen off I barely lose any battery at all. I charge my phone periodically throughout the day, but I've gone 10+ hours off charger (with moderate usage, but no gaming or anything like that) and still had a good 40% battery left.
Sent from my blah blah blah blah
Keep in mind these phones have 8mp cameras, 1ghz processor and tons of extra memory. Basically the equivalent of the lap top computers of 2 years ago.
Sent from my DROIDX using XDA App
fachadick said:
I don't get 24 hours battery, but I don't lose any battery while idle on a sense rom either. I'm on mikfroyo, with net's 4.3.1 cfs havs nosbc kernel. I'm using setcpu, and my screen off profile is 245 min and max smartass. With the screen off I barely lose any battery at all. I charge my phone periodically throughout the day, but I've gone 10+ hours off charger (with moderate usage, but no gaming or anything like that) and still had a good 40% battery left.
Sent from my blah blah blah blah
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Honestly anything over eight hours is descent especially if u still have juice left over. Even with that said and speaking for all the cm users, I can honestly say that netarchy kernels are definitely not needed using this rom. Even though its a great kernel, That would be kinda suicidal towards my battery life.
"Sent to you from a Gingerly Gingerbreaded Evo rockin' CM7 flashing Nightly."
-r0cky.Da.3v0.SU.-
ajones7279 said:
Doesn't CM have 4G now? Even when I was on Sense roms I rarely ever used the 4G though. Same here though, I took my phone off the charger around 3pm, got home from work around 4am and still had plenty of juice left to back up, flash the new MIUI rom, and set it up. Seems like battery is getting better with every new release. No complaints here.
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Yeah, CM6 has wimax but CM7 doesn't. On the account of the Rom isn't stable yet.
"Sent to you from a Gingerly Gingerbreaded Evo rockin' CM7 flashing Nightly."
-r0cky.Da.3v0.SU.-
Hey guys, I am on cm 7 nightly #11. I am on radio 09.01 and have experimented with Chad's and the stock kernel.
I have background data, auto-sync, wifi, bluetooth, gps all off. I dont have facebook or anything pushing either. Screen brightness is on about 60%.
With the seido 1750 mah battery, I am getting around 7-8 hours of battery. That is to the bone dead .
That is making maybe 1 call a day, a couple dozen texts, browsing the web a bit and listening to an hour or so of music/pandora.
In spare parts it says under 'other usage'. Running 42.7%, screen on 23.8%. 'Partial wake' only ones on here are really music and pandora, but they are relatively small slivers.
Under settings it is 68% display, 8% cell standby, 7% voicecalls, 4% android, 4% idle.
I have tried wiping battery stats, doing the drain all the way technique, etc.
Anyone have any suggestion on what to do here?
Thanks.
I'h suggest moving to Cymod 7 RC1 (unless you mean the new nightly, then I'm not sure) I have been running cyanogenmod since before the nightlies hit and I've never had battery that bad. I get about 3 days of standby out of my phone on RC1 and the incredikernel. I listen to pandora on 3G (charging only in that time) about an hour a day and never charge otherwise unless I'm using it heavily. I text semi often, but don't really listen to music or call.
Seems wildly different that my experience. I take it this is specific to this rom, and your battery is better on others, ie battery itself not going south? With pretty similar usage and syncs to yours, I make it about 10 hours to use 50% of batt while at work. That's with stock battery. Only new nightly #8 with stock cm7 kernel.
1) change to 2.15 radio
2) did you buy the battery off ebay for $10? If so its really a 1250mAh or so. Either way OEM batteries are better than the aftermarket (ie Siedio)
3) Is the battery really old? If so it may be wearing down
4) Kernels are all decent, they should all get better than what you are getting...
5) Don't overclock to 1300+ it should run smooth at 998 or whatever it is.
I get 12+ hours of moderate use out of my OEM 1500mAh battery.
When I first started on the nightlies and flashing different kernels, I was having the same issue.
I stopped flashing other kernels and started using the stock cm7 kernel, now I am getting awesome battery life. Also, after flashing, several people recommend immediate rebooting to improve battery life.
Thanks guys.
Few questions.
1.) Radio 2.15? I am on 2.15.00.09.01 currently. Is that the same?
2.) Mine is an authentic Seido. But should I start using the OEM 1300mah battery?
Oh, I should mention. I don't overclock at all.
I was using the stock battery and got ~6 hours even with UC to ~850 most of the time and ~200 while screen off. Turns out my battery was defective and even now OCing to ~1100 most of the time I'm getting 4x the battery. Of course I couldn't be sure that my battery was defective until after I bought the new one but if the battery life just doesn't make sense then you might want to try going back to stock (assuming that's fine) and comparing.
try a different battery maybe
i currently have the stock battery which was only used a couple days
a HTC 1500 battery
a seido 1750 battery but i havent tried any of the other batteries in awhile but i also use CM7 nightlies on #11 because it seems to have best battery life
maybe ill try my other battiers and see my findings
I've had a similar experience and I'm fairly certain it was not my battery. The battery worked great with other ROM's; Normal usage of my phone would yield roughly 40% remaining battery life at the end of the day.
After going to CM7 (I started at #38) my battery has been lousy. I can't get through a day at all.
Two days ago I flashed incredikernel 2272011 as well as CM7 build #11. I'm using the default smartass governor and my battery performance is back where it used to be. Going through an entire day for me is no problem with normal usage.
Not sure if that helps but I've had good luck with this kernel thus far. Oh... and phone has been rock solid!
I'm on CM7 Nightly 11 right now with stock kernel. Seidio 1750 that I've had since last June. I've recently been comparing Tiamat's 3.14 to stock. If I'm on any kernel that has Smartass I'll use that as my governor. If I'm on the stock kernel then I use SetCPU with the kernel set to ondemand and a screen off profile set to 245. Either scenario seems to give me pretty good battery life, but I think Tiamat's with smartass may be a little better. With any kernel I've had it overclocked to 1.03.
Also, the brightness settings based off of HTC's ROM that were posted in the cm nightly thread in the development section have worked great. I've definitely noticed an increase in battery life.
I use advanced task manager with the shortcut on the desktop. I leave essentials running in the background but try to make sure everything else is killed.
All in all with the current setup I have I can get roughly 12-14 hours with heavy texting, 4-5 phone calls, internet and games scattered throughout the day.
So right now I'm on AOKP, and this and every ICS rom I've had bad battery life, I have only gotten 2 hours of screen on time, maybe 2 hours 20 min. I came from Juggernaut when I would easily get 3.5 hours of screen on time, and I even find myself charging my phone a lot more often. So just wondering which rom/kernel has given you guys the best battery life
Sent from Flip's SGS2
elflip88 said:
So right now I'm on AOKP, and this and every ICS rom I've had bad battery life, I have only gotten 2 hours of screen on time, maybe 2 hours 20 min. I came from Juggernaut when I would easily get 3.5 hours of screen on time, and I even find myself charging my phone a lot more often. So just wondering which rom/kernel has given you guys the best battery life
Sent from Flip's SGS2
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On GB: Juggernaut/Synergy
On ICS so far: Telus stock v4.0.3/stock kernel
Darkside Telus 4.0.3 build has fantastic battery life for me. I get about 2% battery drain per hour (when the phone is sitting idle) and on a typical day I will still have more than 50 - 60% battery left when I go to bed. That's after the phone has been on for 15 or 16hrs with moderate use.
If I use the phone more heavily I can get over 3 hours of screen on time.
If we're talking ICS rom's, I'd say 'CM9 20120620 Unofficial' gave me great battery life. I used it for almost a week. I had BLN disabled and was very impressed with the battery life. I could make it an entire day with mod/heavy use. I've run several ICS rom's, and by far it beats them all hands down. It might not be on par with our GB rom's yet....but it's getting close. They've now removed BLN support from the kernel because of the battery drain. But I found just disabling it was enough for me.
I'm getting ready to flash nightly 6/27 with bln disabled. I'll see what kind of improvement I get, if any, with it being disabled.
elflip88 said:
So right now I'm on AOKP, and this and every ICS rom I've had bad battery life, I have only gotten 2 hours of screen on time, maybe 2 hours 20 min. I came from Juggernaut when I would easily get 3.5 hours of screen on time, and I even find myself charging my phone a lot more often. So just wondering which rom/kernel has given you guys the best battery life
Sent from Flip's SGS2
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i put on darksideevolution v7 yesterday and after 10 hours i had 65% left. i did about 40 minutes on the phone, texting all day, wifi/data turned off when it wasnt being used (easy to turn on/off with the toggles)
Honestly I haven't had good battery life since I got this phone 2 months ago. I've been tinkering alot, mainly with Darkside and now AOKP with Eugene's kernel on lionheart. My wife's stock t989 gets great battery life, but I can't live in stock. It seems like I can leave my phone unused sometimes, maybe overnight, and the battery life is great (9% used in 10 hours) but as soon as I pick it up, it drops 20%. Must be that big screen. Anyway, I'm trying to get this worked out. I'm getting my preferred rom figured out and then hoping to let the battery settle into it. Always an experiment...
Hi,
This question is for anyone using the latest CleanRom on their Note II. Just wondering if your average battery drain is around 4-5%/h. I use BetteryBatteryStats. I also check the Battery section under Settings. The most battery life I have been able to get is 12 - 15 h with 1-2h screen time. At this point, the battery is at less than 10%. Is this normal ? I thought I remembered getting better life from older versions of CleanRom. I know these numbers are never achievable on any AOSP rom that I have tried. Just wanted to see what everyone's experience is with battery life. Just post any thoughts!
Thanks for your feedback! I appreciate your time!
AEiX said:
Hi,
This question is for anyone using the latest CleanRom on their Note II. Just wondering if your average battery drain is around 4-5%/h. I use BetteryBatteryStats. I also check the Battery section under Settings. The most battery life I have been able to get is 12 - 15 h with 1-2h screen time. At this point, the battery is at less than 10%. Is this normal ? I thought I remembered getting better life from older versions of CleanRom. I know these numbers are never achievable on any AOSP rom that I have tried. Just wanted to see what everyone's experience is with battery life. Just post any thoughts!
Thanks for your feedback! I appreciate your time!
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Just like anyone else, it all depends on what kernel you're on and what apps you have wakelocking. I've been using Clean 5.0 as my daily for months and the battery life lasts me throughout the day until I need to sleep at which point I plug in... but sometimes, I'm running into fast battery drain due to some apps going nuts on me or when Bluetooth is trying to link from a long distance (where the phone would heat up and drain like mad... btw this only happened to me twice in many months). After a reboot, it usually clears up and after a recharge, I'm back to 14 hours with 20% left at night. I'm not one to be anal about my battery drain if it lasts me until I sleep (because I have NEVER had a smartphone that would last me that long without plugging in... in fact, barely half the day would be when my device would need to be fed).
I'm using Perseus' latest with a few screen tweaks, no CPU or power tweaks, using Facebook constantly, Pulse, SMS/MMS, camera throughout the day, Next 3D launcher with all the fun animations running, YouTube, Pandora when driving (so my Bluetooth is on constantly)... let's just say I'm a heavy user. When my kids get a hold of my device, they run a bunch of games and drain around 10% by the time I get it back.
I am happy with the battery life on my Clean Rom 5.0/Perseus Note II. I won't fuss about it as long as it lasts longer than half the day because that is what I was used before upgrading.