Database Users

Battery life queries

Could anyone help me. I'm finding my bettery life is very short, I fully charged my phone and went straight to the market to update some apps via 3g and within 2 minutes my battery was down to 96%. I turned the phone off after that to go to bed and turned it on when I got up and it was on 91%. I am very new to flashing ROMs and flashed darky's 9.5 about 2 weeks ago. Il list my baseband and kernel below. I don't think out should run down that fast.
Firmware: 2.2.1
Baseband: I9000XXJVE
Kernel: 2.6.32.9 hardcorespeedmod k13d 500hz
Build: Darky's v9.5XWJS8
Thanks
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Battery life will be unstable after flashing a new rom, give it a while
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Ok thanks, how long would you say it will take to be fully stable?
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muldoone said:
Ok thanks, how long would you say it will take to be fully stable?
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One week...

But I have already had it for about two weeks. I am about to calibrate the battery as I didn't do it when I flashed the ROM
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Drain battery calibrate battery fully charge bump charge battery three times . Use phone as per Battery Faqs posted .
jje

I find my battery drains badly when on Wi-FI. Now im on Ficeto JVH gingerbread. Very good standby time with wifi and 3g switched off.

I'm on JVH since a few days, and the Battery life is awesome! Before my battery was dead after max. 14h, more often after about 12h.
Now my phone is already running 29hours and still have 39% battery
phone usage as usual, when at home connected to wifi, else manually set to 2g, if needed switching to 3g. k9-Mail set to Imap-Idle, syncing only google-calendar/ contacts and facebook/twitter widget from LauncherPro Plus (every hour or if needed manually)

Il keep using it as normal for the next couple of days and see if it improves.
If it doesn't, how do I change my modem to a JVH?
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Here`s some SS of my Jvh battery experience.
Right now, only used the phone to send 3 sms, 26h have passed and 93% of battery left.

Can I get a JVH modem without changing anything else then?
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@rhadoo04
What rom/kernel do you have?
What programs for battery usage reduction?
What setup in general

Stock JVH Rom, stock kernel, no useless programs for battery reduction, everything stock, except for crt screen off animation, battery mod and root. HSDPA was on for about 2h while I played drag racing online.
My record was 7d and a few hours , with 2.2.1, using the phone only to talk. My average battery life is 3 days.

Why do we got the problems with our BATTERYs ?!

So... I was wondering... WHY DO WE GOT THAT PROBLEMS !?
If we take the NEXUS S Rom and convert it for our PHONES (GT540), where is the TRICK ? Why do we get that problems with the battery and te NEXUS S users not ?!
NEXUS S got the same battery like GT540 and after the GSMarena compare, the GT540 takes it much better then the NEXUS S !
CAN someone explain it maybe ?! Cause I really dont understand

Its the rom itself not the battery.
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LinxAndroid said:
Its the rom itself not the battery.
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I know that thx for the reply... But where is the TRICK, why is the ROM quilty for that probs, why is everything else working just perfect and just the battery not ?!
Im sry for that topic and for that question, but Im gonna sell my phone cause of the freakin ****ty battery lifes on every better ROM

Well the rom has a file with the battery calculator. And this isnt calibrated right for all roms.
Also most roms are still under active development so dont get your hopes up about good battery life etc etc
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I think battery problem have something with kernel, on 2.1 i use 4 diferent kernel (orginal lg, 666 infernal, quarx, pcfighter) and every kernel have diferent battery life, diferente dischargin steps. So... no orginal kernel no good battery life.

bataya said:
I think battery problem have something with kernel, on 2.1 i use 4 diferent kernel (orginal lg, 666 infernal, quarx, pcfighter) and every kernel have diferent battery life, diferente dischargin steps. So... no orginal kernel no good battery life.
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THX for you answer !

I have a Nexus S. The battery lasts 1 day If I use .It is not overclocked (yet) . The battery is same on gt540 it lasts 1 day if I use it.See the attached screenshots from my Nexus S.

What I usually do is that after the battery is charged to 100%, I reboot the phone in recovery and keep it plugged in and charge for anther 15 mins. That seems to give me an additional 1 hour as my phone stays at 100% for at-least an hour before falling back to 99%.

I have had my phone off charge for 5 hours and its sitting on 95%.
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eoghan2t7 said:
I have had my phone off charge for 5 hours and its sitting on 95%.
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Really god i need to invest time in re calibrating mines shocking 13hrs then it died

Battery depends on few things.
1. Kernel
2. Rom itself
3. It will drain faster with data on.
4. Some crapy apps kill your battery.
Choose kernel and rom wisely. Turn off your data if you don't need it. Uninstall unnecessary apps
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FOR all those WHO GOT the same problem like me...
I fingered out how my battery is holding for 4 days now...
When you plugin your phone into charge mode... just dont let it to go into "SCREEN OFF"... make your Screen OFF to 30minutes and just hit the screen every 25 mins... or just install an app which doesent allow your phone to autoScreenOff it
After this lil trick... it just works for me now... I hit 113Hours with this trick on Muraiks M6 Version !!!!!!!!!

torq1337 said:
FOR all those WHO GOT the same problem like me...
I fingered out how my battery is holding for 4 days now...
When you plugin your phone into charge mode... just dont let it to go into "SCREEN OFF"... make your Screen OFF to 30minutes and just hit the screen every 25 mins... or just install an app which doesent allow your phone to autoScreenOff it
After this lil trick... it just works for me now... I hit 113Hours with this trick on Muraiks M6 Version !!!!!!!!!
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You don't need an app You need to go to development settings and click never sleep on USB. Thats what I do

Battery daing or not?

Me battery start behave strange, i charge it for 3-4h, calibrate but after unpluging it drop to 95, 90, 80% very fast (~30min). It's hapen on new miroslav rom and new pebe froyo and ginger.
Is this normal or...?
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it' not normal. I charge my phone after 2 day with SDSL miroslav but when I use Mur4ik's rom, I charged my phone after 1 day.
I often use wifi and music program.

I have the same problem!
Does this mean that my bat is going bad?

i think it comes with the time..
my battery is behaving similar and it just gets reloaded to 98 % sometimes max 90%
the same with my CPU. today i crashed while showing my wonderful 880 mhz and nothing was moving anymore ^^

cathaclac said:
I have the same problem!
Does this mean that my bat is going bad?
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dont know, i will try tonight to charge it with normal cable (i use 1.5 usb cable) and mine htc 1A charger... will report tomorow.

this happens to me for months ^^
Yesterday i bought a new battery ,i told you if it's battery problem once i received it
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yeah mine had bad batt life and cracks so i got a new one now its alot better but cant be said for my cpu... the phone refuses to on

I have my new battery since yesterday and it seems to fix all battery draining issues
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Hm... look like time for new battery.
What is your average display up and wifi time with one charging, and on what brightnest?
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bataya said:
Hm... look like time for new battery.
What is your average display up and wifi time with one charging, and on what brightnest?
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I leave wifi on the whole day and put up brightness to full when going outside
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For example i use 3G all day long and I'm still at 80%
With the other battery i can't use it more than 30 mins
I don't tested it with wifi for the moment ,i tell you that tomorrow
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5th hour of intensive use and still 90% with wifi
Edit : I'm using froyo optimum v.5
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tnx for replay and info.

In Pebe's CM7 v4, battery is quite stable and gradually drops, like 88, 87, 85, 84, 83.....

Battery Drain in Mur4ik's rom.
Well for me with normal use, (some internet, wifi, games, and apps, 10 min max a day for phone and some ****ty network coverage) with Mur4ik's rom i get 1 day of battery.

On the 2.3.7 SwiftDroid 2 RC5 the battery life is pretty good. But I don't use 3G or WiFi that much.

Battery Drains QUICKLY!

I got school at around 6 am. By the time I eat lunch it's already at 57%. By the time I get home around 5 and it's already at 17%.
All I do is listen to music (doubletwist/playerpro) and play Cut the Rope, WTF!?
Cell standy by is 46% in batter usage followed by wifi with 11%
any help guys?

What I tend to do is have brightness down to about half. Have you also tried fully charging the phone, taking the battery out and charging back to full? I sometimes find it drops down but regenerates itself.
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is it stock no over clocking mods etc no app keeping phone locked awake?
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Droid117 said:
What I tend to do is have brightness down to about half. Have you also tried fully charging the phone, taking the battery out and charging back to full? I sometimes find it drops down but regenerates itself.
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fma965 said:
is it stock no over clocking mods etc no app keeping phone locked awake?
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Brightness is below half,I never go over. WiFi is on but not all the time.
Stock rom 2.3.4 rooted

Do you have data off?

How's your phone signal most of the time? It has been proven that low/bad signal drains battery quicker than good signal.
Sometimes certain buildings/rooms have pretty bad reception making it a huge drain for your phone.

Droid117 said:
What I tend to do is have brightness down to about half. Have you also tried fully charging the phone, taking the battery out and charging back to full? I sometimes find it drops down but regenerates itself.
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This is a useful piece of information, however is not really practical. Ideally we don't want to be turning off our phones on every charge :/
I myself own 3 batteries, and alternate them (I have a wall charger for the batteries)

what ver are you using if 2.3.4 the battery issue is fix.

I get 3 /4 bars, at school right new and yea some times I get nothing, especial ly during the subway ruse which is an hour
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Once I updated my phone to 2.3.3 I noticed that the battery life was sub-par, only lasting 3/5s of the day on a full charge.
I proceeded to root my phone (as I don't have the money to unlock my Big Red Bootloader); after installing SetCPU I took down the clocking meter 1 notch (768MHz) and the phone is stable with not difference in performance (so far). Doing this and removing some unneeded bloatware has increased my battery life 2.5x and I can go almost 3 days on a single charge.
xiEvo said:
what ver are you using if 2.3.4 the battery issue is fix.
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xiEvo is correct and I've read a lot of good stuff regarding battery life with 2.3.4. I can only begin to imagine what kind of battery life I'll have once I get that update.

get juice defender off the market ultimate version is best. this will lookafter everything for you.. juice defender is a must have app for all android devices
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I'm 2.3.4.
Honestly I had the best battery life with 2.3.2, IDK why.

Time for a new battery or is this normal?

One phone call
20-30 texts
Browsing xda for 15 minutes
And like ten minutes of music
Took phone off charger at 7:17am. Its 12:14 and its in the red!
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How old is the battery? You can pick up OEM Samsung replacements for like $7.00 on amazon. I have 3 myself.
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Its the same battery since new. Yea I order two just now
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Have you tried using a different kernel? Matr1x and marmite work best for me!

Well running pacman rom with matrix so gonna see how that does
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Did you turn off auto-sync?

Looks normal to me lol... I'm getting horrible life... My 4G never turns off and I'll get maybe 3hrs screen-on time... Running stock 4.2
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since you're talking about battery issues, idk if this is "normal" or not, but just now, my battery was at 38%, so i started to plug it in, tried doing a reboot and when it finished rebooting within seconds, all of a sudden, the battery jumps up to 60%...i think my phone's battery is fu**ed up

explorer-10 said:
since you're talking about battery issues, idk if this is "normal" or not, but just now, my battery was at 38%, so i started to plug it in, tried doing a reboot and when it finished rebooting within seconds, all of a sudden, the battery jumps up to 60%...i think my phone's battery is fu**ed up
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that always happen to me too ... deleting stats isn't usefull ... maybe it's a battery problem ... my battery isn't perfect but it can make about 2 - 2.30 screen on time and a total of 14 hours all sync active ... a newer battery could give me probably some more juice

Yea same result running matrix so I think its the battery
Hopefully.....
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I forgot to mention that my battery was replaced a few weeks ago!
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using straight aosp 4.2 with any kernel gets me at best, 5 hours of standby time. I noticed this about a month ago and immediately started looking for ways to prolong my battery life. What seems to be working best for me is disabling mobile data when I'm not using it. Just this one setting gives me a boost from 4-5 hours in standby to well over 12 hours of normal use (of course, with the exception of any web service). I have come home from 13 hour shifts and still had 30-40% battery left several times!! However, this only happens if I disable mobile data.
Something needs to be done....and QUICKLY!!! My phone is pretty damn well useless for anything involving internet connectivity unless I'm using wifi
btw, my battery is about 14 months old.

I'm pretty sure the battery drain is from 4.2, when I was running 4.1 I had no issues