Develop Bugs

battery life

is a 14 - 15 hours a day a good battery life?
all i do is send text about 150-175 sms a day.
from 8am to 12am then i charge but still about 20-30% of battery life left.
thanks. sorry for my bad english though.

Not to bad but could be better if sll ur doing is sending texts. Do you have set profiles in set cpu?
Sent from my HTC Vision using XDA App

I think i have one. I think when it is off screen I have set it with 245/245 only. I dont know how to use well setCpu until now. yesterday i OC'ed it to 1ghz with the same result.
Think you can help with some settings with it to better improve my battery life?
I also use the .26 radio. .27 drains my battery alot.

mewgim said:
I think i have one. I think when it is off screen I have set it with 245/245 only. I dont know how to use well setCpu until now. yesterday i OC'ed it to 1ghz with the same result.
Think you can help with some settings with it to better improve my battery life?
I also use the .26 radio. .27 drains my battery alot.
Click to expand...
Click to collapse
screen brightness is gonna kill your battery.
i send a good 100-150 messages between sms and google talk a day, browse a few pages, check xda, a few calls, 10 pix a day, wifi on all the time even when not home, and ondemand governor 1209max 368min and with a 830am start to a 10-11pm recharge time i would have 30% battery left. today i didnt quite use it as much, and im at 62% right now, and its 915pm and i took it off today a little late at 9am. so 12 hours and 38% loss is not bad (cm7 nightly 31)
i do not even have setcpu installed anymore, that was actually slowing my phone down. im using the AUS radio again and its working good now with that ril update, and im using a 1500mah battery, which isnt much over stock but im gonna go to the stock battery and see how that goes to get a bettery battery life/accuracy on a stock battery to see how it does. not that this battery has given me any troubles, but im not a fan of some aftermarket stuff.

The best Battery You will get is with the Miui Rom. You will loose Sense. I did purchase the Red Battery and It is Very Good

for the screen brightness i use 30%
so what tips can you share to even improve my battery life? thanks

amorse18 said:
The best Battery You will get is with the Miui Rom. You will loose Sense. I did purchase the Red Battery and It is Very Good
Click to expand...
Click to collapse
Really? What type of battery life are you getting? Might try this out

mewgim said:
for the screen brightness i use 30%
so what tips can you share to even improve my battery life? thanks
Click to expand...
Click to collapse
Do you have flip to silence enabled? That killed my battery since i unchecked that feature been great since.
Im at 67% now. Off charge for 12 hours now, but i did plug it into the computer for 15 minutes to get pix off of it. SO realistically id be at 60 or so.
I would be going thru your settings and your battery stats to see whats really killing your battery.
sent from the rooty tooty fresh and fruity cm7 nighly powered G2

tackleberry said:
Do you have flip to silence enabled? That killed my battery since i unchecked that feature been great since.
Click to expand...
Click to collapse
Really? That's a bit weird.
I have it enabled and don't seem to have particularly bad battery life, although I am a light user, so my phone is just on standby most of the time.

The amount of time your screen is on will have a big impact on battery life (even with the brightness turned down). So even though SMS itself is not a big battery drain, if you have the screen on often, and for long periods while texting back and forth, that may be the culprit.

I notice an instant drain when screen is on. Ill be going down slowly at say 90 for a few hours, but will drop to 70 within 30 min if screen is on whole time
sent from the rooty tooty fresh and fruity cm7 nighly powered G2

nope dont have that flip to silence.

How's your signal? At my home (ironically) I get terrible 3G, so I switch to Edge and my battery life does a lot better. If sms is all you really do, you don't need to be on 3G. I only switch it back when I go out where I have better signal.
Of course this only really makes a difference if you're in an area with bad signal.

I got 3 profiles set with SetCpu
screen off "246 min - 768 max" powersaver
< 15% battery " 246 min - 768 max" ondemand
charging "246 min - 1209 max" performance
and my main is "246 min - 1209 max" interactive
I'm running whatsapp, 2 pushmail accounts (contacts, mail and calendar), 2 pop mail (1 hour autopoll), facebook (15 min autopoll) and then about 50 texts /day + some calling. I can get up to 14 hours max... but indeed the screen is killing the battery.
Also at work I got bad reception (gprs only and sometimes 3g/E but very poor). When I'm athome I get full 3g/hsdpa and the battery will last much longer.

I ended day yesterday with 33% battery. I also was on the phone for 3 hours. Prior to phone calls in eve, i was at 67%
Nightly 31 rocks socks!
sent from the rooty tooty fresh and fruity cm7 nighly 31 powered G2

Screen brightness. Turn off 3g, or other services..
And if you want better battery then buy a bigger one. The stock battery imo sucks.. the red chichi battery is what I got. Cheap, came with 2. Work great.
I also use fast reboot to kill any apps that may be running in the background that I don't want to, I.e. browswer, maps, facebook..
Sent from my HTC Vision using XDA App

thanks for all the reply. i will surely remember this to further improve my battery. i have never used an Edge connection at my place. btw i do not live in the US. i live in Philippines.
for the radio's what do you prefer using?
is it the .27 Aus radio or the .26 radio? thanks. i use .26 radio at the moment and it gives me nice performance of one time about a day with medium to heavy texting with half an hour of games. but one thing, when i was on a mall with free wifi service, i could easily connect to it sense / gb CM roms (i think it's the original radio but could not recall it anymore). But after updating to .26 radio bout 4 or 5 weeks ago i guess, i can't connect to their wifi connection anymore. But weird i can connect to my own connection at home. Hope you can give me advise before I change the radio tomorrow i guess to see if the problem in connecting to the wifi service in a mall at our place could be solved. and sorry for some bad english.

Root/rom/battery question

Droid incredible. Rooted, virtually every rom through rom manager causes my phone to battery to drain very fast.
After a charge itll drop to 90% in about twenty minutes. Iv heard thats a droid thing.
From that point, it steadies but still is losing juice FAST. Phone has been awake for 8hrs today with light usage and is currently at 70%. Gps off, wifi off, etc. No vibrating feedback, auto brightness.....all settings geared for battery conservation.
Im using Incrom 1.6 with a stock kernal. Any ideas or thoughts are appreciated as i dont stop hearing that everyone in the world is rooted and enjoying their batterys new ability. Ohhh, btw extended battery, red htc one in case that matters.

mikeurce said:
Droid incredible. Rooted, virtually every rom through rom manager causes my phone to battery to drain very fast.
After a charge itll drop to 90% in about twenty minutes. Iv heard thats a droid thing.
From that point, it steadies but still is losing juice FAST. Phone has been awake for 8hrs today with light usage and is currently at 70%. Gps off, wifi off, etc. No vibrating feedback, auto brightness.....all settings geared for battery conservation.
Im using Incrom 1.6 with a stock kernal. Any ideas or thoughts are appreciated as i dont stop hearing that everyone in the world is rooted and enjoying their batterys new ability. Ohhh, btw extended battery, red htc one in case that matters.
Click to expand...
Click to collapse
Try flashing some new kernels..try a couple out. If that doesn't work did you over charge your phone? Or use a car charger?
sent from my Dinc

Its not the battery cause when i revert to stock the battery is normal for what im used to. The change is noticable wen i use any of the custom roms.
Right now wrkng on flash radio, hit a bump waiting for email back.
Ne other suggestions from u or nebody wud be apreciatd

I use the app batterycalibration after flashing new roms it works well for me
Sent from my ADR6300 using XDA Premium App

Everybody's definition of "light usage" is different. Losing 20% in 8 hours doesn't seem that bad to me unless you litterally never turned your screen on. That said, here are some things you can try:
1. I've found that the auto brightness sucks and I'm better off just manually setting it to 25% or so. That's fine for indoor use and you can't see the screen in bright sunlight anyway regardless of the setting so why bother burning battery trying?
2. Try flashing a kernel that allows you to underclock and undervolt. Perhaps one of Ziggy's nonHAVs kernels (I have found that HAVS kernels to be unstable, but YMMV). Either use the smartass governor or setCPU to cap screen off at 384 MHz.
3. Carry a charger with you

I'd see what is using your battery in settings.
Also, you could try chad's sense (12/28 I think) incredikernel, which sets the max clock speed really low when the screen's off (defaults to smartass governer).
If you wanted to try CM7, gingerbread has a much better battery usage UI that'll give you a nice graph of battery usage vs. time for phone awake time, signal strength, wifi and some other stats.

[Q] Maximize Battery Life

Hey there,
I want to know what is the BEST setup to maximize battery life. What ROM? What Kernel? What UnderVolt ( if any )? What Radio?
My room mate has an iPhone that he modded and it now lasts two days without being charged and that's with moderate usage. I'd like to out do him with my Android. Any help?
-Reiz

So far personally I've had the best experience with the following :
ROM : CM7 ( 7.0.0 )
Kernel : Tiamat 2.6.32.27
Radio : 11.19
I can't seem to get undervolting to work since I don't have the folder that Viper describes even though I am using an AOSP rom ( as far as I know ) . o.o It's odd really... Anyways, that usually gets me about 20 hours of usage or so .

Twenty hours isn't bad, as the Incredible isn't known for it's battery life. You won't get what your roommate's getting with his phone, maybe get a bigger battery...? I don't think you're going to really out do yourself with the experience you've posted, I'd be happy with that.
I am running SkyRaider 4.0, Chad's 12232010 kernel, OC'd to 1.0368 (small OC, I know) with the leaked 04.08 radio, and I can get about 20 - 24 hours before charging, low to moderate usage (no games, emails for work/personal, maybe 1 call of 5 minutes, lots of web browsing).

Cm7 stock kernal. On metro pcs with a seidio 3500 mah extended battery. Unplug at 7am 12 hours later only sitting on 74% lmao. And in that time bout 100 text. And 200 work emails.. and 30 mins of surfing on lunch. This setup has been the best for me on bat life.. used to run sense and my bat life would just suck..
Sent from my ADR6300 using XDA Premium App

your screen is sucking your battery down
Reizvoller said:
Hey there,
I want to know what is the BEST setup to maximize battery life. What ROM? What Kernel? What UnderVolt ( if any )? What Radio?
My room mate has an iPhone that he modded and it now lasts two days without being charged and that's with moderate usage. I'd like to out do him with my Android. Any help?
-Reiz
Click to expand...
Click to collapse
Two things that will kill your battery faster than anything:
-Anything that syncs
-your screen
So, turn your brightness and screen timeout down and turn off anything you don't need syncing all the time, or at least turn the sync frequency down.
Also, keep your wifi, vibration, tactile feedback, and gps off unless you really need it.
Kernels, roms, undervolting...no where near as effective.
Think about your phone as a smaller version of a laptop (which it pretty much is), what's going to save you the most energy: throttling your cpu speed, or turning the screen brightness down?
Much love brother

[Q] What ROM has best battery performance?

All,
I wasn't going to root my baby, but yesterday was the first time I out for the full day without being able to charge and was bout dead by the 10th hour. I took Wifi off and left it on 3g.
So after that, I decided I'm going to root and load up a ROM hoping one is going to give me a bit better battery life. Which one out right now can provide me with good battery life and stable.
Thanks for any info.

no rom is going to drastically improve your battery life. For the most part this phone can get anywhere from 3-4 hours of screen on time
Sent from my Galaxy Nexus using XDA App

Undervolting is your best bet imo.
I am using a GSM Galaxy Nexus running MCR lr8 with OC/UV kernel and after undervolting I get between 18hrs and 30hrs depending on use (overclocked to 1.4GHz). Note this is my normal use, where I am also doing other things during the day - not in "just got my new phone so am playing with it all the time" mode
30hrs is the absolute max and I doubt I'll ever get that much again unless I purposely don't use my phone at all!
The main thing is how low you can UV it at 350MHz and not have any problems, then set the CPU to stay at 350MHz when your screen is off. Together with JuiceDefender or a similar battery saving app, your battery will seem like it lasts forever when the screen is off* - exaggerating slightly of course.
*unless you have a misbehaving app keeping the CPU or data connection active, like I did with Twitter last night. I shall be disabling auto-updating for Twitter now.
Note: I accept no responsibility if you damage your phone by undervolting or doing anything else!

dont look anywhere else
http://forum.xda-developers.com/showthread.php?t=1402341
no custom kernel or modem required
flash it as stock, and watch the difference!

if you don't want to root,
try juice defender...
i got it on my GNEX and it is just simply awesome.
read through the tutorials and go from there.
i've been getting stellar performance.

Generic Hotplug and Franco's Kernel Question

Yesterday I flashed Franco's Kernel along with his app. I am running CodenameAndroid 1.6 ROM with Franco's Kernel r135 nightly.
I haven not been getting the exceptional battery life that everyone has been raving about. I understand every phone is different, and there are tons of contributing factors to battery life.
I have my screen brightness very low, location services are off, no LTE running (I'm running on 3G), however I've had wifi on all day today since I am at home. I've undervolted by using Franco's paid app and am running On Demand governor. However, I have generic hotplug turned on because I'm not always on my phone and messing with it. It's 1 o clock, and I took the phone off the charger at 8 this morning. I'm already down to 79% and my on-screen time is only 18 minutes while my idle time is 3 hours and 44 minutes. Other than that, I don't have any apps unning in the background accept for the regular things that should be running.
To the point, am I doing something wrong? It just seems weird to have that much battery drain and have my phone on idle for almost 4 hours and on-screen time to only be 18 minutes. Are my expectations too high for this kernel? I've heard awesome stats as far as battery life goes while using this kernel but I'm not seeing it. Is it because the kernel hasn't fully "baked" into the phone like some people say? I appreciate the feedback.

That doesn't sound right. Do you have BetterBatteryStats installed? That way you can find out what is keeping your phone awake whilst your screen is on.
Also, what are the rest of your kernel settings? Mine:
r135-512
384/1228
interactive (no hotplug works best for me)
I don't uv, but let SmartReflex do it's job for me.
This works best for me with BAMF (atm, but switch beween that rom and Liquid quite often). BAMF gives me best screen on time, but idles less good than Liquid, which gives me less screen on time. On a day of heavy usage, BAMF wins.
What I'm trying to say is, find your zen in rom/ kernel/ radio combo, because you might just use your phone differently then me (and others).
Oh, and I use the Samsung oem 2000mah battery. That helps too. I'm getting ~10h of use with ~4h screen on on a charge.
Hope this get's you on your way mate