[Q] battery drain with CM7.2 nightly with working camera and 100% battery (Defy+)

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manoutch

Senior Member
Nov 12, 2011
232
52
Grand Est
i would like to know if someone have this problem: at 60% the battery fall at 49% (see battery history)No wifi, no data, no bluetooth, and screen off.
Setvsel: 300/16;550/27;750/37;1050/52
Thx
 

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Proda

Senior Member
Apr 21, 2011
504
69
Melbourne
I don't have CM7 I have MS2Ginger 2.1 but I have the same problem. My battery drops 2 times: from 54--> 49 and from 25-->19...I had the same problem when I was using MIUIs and cm7 ROMs.
I think that the battery is just dead in those areas :-(
 

manoutch

Senior Member
Nov 12, 2011
232
52
Grand Est
What does it mean "the battery is just dead in those areas" because when I use this rom (umts_jordan_emara-user 2.3.6 4.5.1-134_DFP-139 1318560162 release-keysEPU93_U_00.60.00) no problem.
 

Proda

Senior Member
Apr 21, 2011
504
69
Melbourne
Hmmm...Well Im goin to try this ROM too then.
I thought my battery cells were dead (smthn similar was on my notebook and when I replaced battery, everything was just fine) but if u say that everything is fine then I will try out that one.
Tnx.

Have u tried that CM7 ROM with different battery maybe?
 

manoutch

Senior Member
Nov 12, 2011
232
52
Grand Est
Have u tried that CM7 ROM with different battery maybe?
No. I have my defy+ since November so the battery is new. I have only try ms2 ginger2.1 with the same problem. Only with motorola oem rom no problem like this.

I have erased files in /data/battd/ and wipe stats battery (i don't now if is the same things). I will come back after this test.
 

Proda

Senior Member
Apr 21, 2011
504
69
Melbourne
So after doing steps 1-5 then 6 then do we have to do step 7?
I didn understand you when is the right time to put back battery? Like in 8b?

After this crazy method, u don't have battery drops?
 

Jason78729

Senior Member
Jan 24, 2011
143
25
Austin
Skip step 7 and continue following from 8b. Hold your phone in your hand while it's booting without the battery and you should feel the haptic feedback (minor vibration) before the phone finishes booting to the lock screen. As soon as you feel the haptic feedback put the battery back in. Leave on the charger until it reaches 100% and then another 20 minutes after that.
 

manoutch

Senior Member
Nov 12, 2011
232
52
Grand Est
Try recalibrating with the method in this link: http://xdaforums.com/showpost.php?p=11803458

I've used this many times without issues and it always helps with my battery life. With the Defy you have to follow the method that requires reinserting the battery before the lockscreen pulls up.

ok i will try this method. Im crazy with this problem. When i use cm7 the battery say 49% and with 2.3.6_4.5.2-109 DHT25_themed MultiLanguage, i have 39%, even with battery monitor widget.
 

mosta00

Senior Member
Jun 17, 2010
153
45
Last edited:

Proda

Senior Member
Apr 21, 2011
504
69
Melbourne
I have Defy with red lens and installed 2.3.6_4.5.2-109 DHT25_themed MultiLanguage ROM yesterday and fully charge it to 100% and one hour over that...Battery was on 4164mV...When unplugged it 99% and 4164mV.

But then i had like this:
54% - 3769mV
50% - 3757mV
49% - 3773mV
48% - 3760mV
...
...
27% - 3686mV
20% - 3692mV
19% - 3670mV
18% - 3679mV

Funny thing is that when gaps happened lower % has more mV than upper % ...
I will try this "new weird" method of calibration tomorrow when I fully charge my phone again tonight. Really hope this will fix my battery.
 

roguealcatraz

Member
Jan 24, 2012
34
13
Bali
my defy on Cm 7.1 stable and i get 4160mV on 100% charged and still plugged in to electricity.

but after i unplug the charger, it downs to 99% - 4125mV..

i think i'll try that 'hard' calibration method :D
 

manoutch

Senior Member
Nov 12, 2011
232
52
Grand Est
And when u are on your stock ROM those things never happen?

No.

i have a noob question for all: is it possible that the last 20% charge (80 -100) with a 1650 defy battery and rom not based on stock rom, be 'virtual', because i have 20% lost (69%-49%)? (sorry for my english)

Now i decide to put a new Battd file from the stock rom and i try again this hard calibration: charg at 100%. after step 8 i see 5% and 4317mv.
(100% full for defy+ battery is approximately 4320mV)
 

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    Try recalibrating with the method in this link: http://xdaforums.com/showpost.php?p=11803458

    I've used this many times without issues and it always helps with my battery life. With the Defy you have to follow the method that requires reinserting the battery before the lockscreen pulls up.
    1
    I have try a new 'method' to have a clean reinstall: (ps: i'm a noob, so perhaps is not a good way:D)
    backup all (rom and sdcard) then:
    1: Wipe data and cache from cmw in 'custom' recovery
    2: wipe data and cache from cmw in 'stable' recovery
    3: wipe data and cache from cmw in 'stock' recovery ( see Here how to do)
    4: reinstall my full sbf( use the right sbf if you want downgrade) (for me, i don't care, so i have flashed a full sbf 2.3.6) and sdcard files
    5: charge phone at 100%
    After this steps:
    6: root the phone
    7: reinstall sndInitDefy
    8: reinstall Nightly backup
    9: waiting for 'battery death'
    10: charge 100% phone again

    Wait and see now if i have battery gap in cm7 nightly (don't have with DHT25 multilanguage)
    Ps: other guys have the same battery gap (link)
    1
    hey guys, I've found a fix for defy+!

    You replace the libandroid_server.so with this one. I don't battery gap anymore! :D
    The rest of the file is for battery charge fix, which is optional if your battery charges up to approximately 4.3mv.

    *always remember to backup the current file!

    If I've helped, press the thanks button. :)

    http://www.mediafire.com/?k21p53kcxb5k90r
    http://www.mediafire.com/?jzu7akw5vj7kmkg
    http://www.mediafire.com/?bkcew511681lwt2