Database Develop

[Q] battery caliberation hyper sense nova

Hello guys
My oem battery seems to be dying at 20 per without any low battery warning
I am using hyper sense nova Rom
But this problem existed in the old Rom too I just realized it.
To break down the problem further
It shuts down on 20
Then it won't restart saying battery is empty
However if I charge it again to say 18 percent and disconnect
It gives low battery warning at 15/10/5
I found out there is some app called caliberator however I can't seem to make it work on this kernel
Please help how can I solve this problem ???

more details
The Rom and kernel details are
- HTC Official Gingerbread 2.3.3 v3.14.405.1 (Stock Sense 1.9) - Kernel: 2.6.35.10-gb-sense v8 - by dbasabe
Ok this is the battery caliberation thread which I tried to find the answer on
http://forum.xda-developers.com/showthread.php?t=765609
And this is the link to Rom I am using
http://forum.xda-developers.com/showthread.php?t=1604957

am-rj-tbt said:
The Rom and kernel details are
- HTC Official Gingerbread 2.3.3 v3.14.405.1 (Stock Sense 1.9) - Kernel: 2.6.35.10-gb-sense v8 - by dbasabe
Ok this is the battery caliberation thread which I tried to find the answer on
http://forum.xda-developers.com/showthread.php?t=765609
And this is the link to Rom I am using
http://forum.xda-developers.com/showthread.php?t=1604957
Click to expand...
Click to collapse
First charge your phone to 100% when it is powered off. Then flash the rom. Then let it discharge completely so it shuts off. Then charge full again. Then it should be solved :fingers-crossed:

race55 said:
First charge your phone to 100% when it is powered off. Then flash the rom. Then let it discharge completely so it shuts off. Then charge full again. Then it should be solved :fingers-crossed:
Click to expand...
Click to collapse
So i am supposed to put the phone off ....
let it charge over night
then morning go to recovery mode
wipe all the data etc and stuff
reinstall the rom ....
and then see how it performs...
should i put the charger plugged in while flashing the rom and maintaining 100 percent charge???
i have tried something last night
i let the phone die as in drained the battery and let it charge in the off state to 100 percent and the charging led was no longer lit i went to recovery and wiped the battery stats and then started the phone i am still waiting to find out how it performs till the end of day...
if that doesnot work ill try your method...
:good:
i have tried reading that battery learn app and everything ... if only that app would work on my kernel
nehooo lets seee

am-rj-tbt said:
So i am supposed to put the phone off ....
let it charge over night
then morning go to recovery mode
wipe all the data etc and stuff
reinstall the rom ....
and then see how it performs...
should i put the charger plugged in while flashing the rom and maintaining 100 percent charge???
i have tried something last night
i let the phone die as in drained the battery and let it charge in the off state to 100 percent and the charging led was no longer lit i went to recovery and wiped the battery stats and then started the phone i am still waiting to find out how it performs till the end of day...
if that doesnot work ill try your method...
:good:
i have tried reading that battery learn app and everything ... if only that app would work on my kernel
nehooo lets seee
Click to expand...
Click to collapse
Yes keep plugged in during flash. When booted up, unplug.
Sent from my HTC Flyer P512 using XDA

I am going to try keeping fingers crossed . Have not heard many success stories so far and it sure is a little annoying to think phone dies without low battery warnings :banghead::banghead::banghead:
Sent from my HTC Nexus One using XDA

Ok I did what you said this morning m hoping it works meanwhile would anyone make that battery caliberation app work for sense kernel please
Sent from my HTC Nexus One using XDA

8 hours n battery is down to 35 still waiting on end result if I get all way to 1 I should be happy
Sent from my HTC Nexus One using XDA

Didn't work died at twenty .... Help !! :banghead:
Sent from my HTC Nexus One using XDA

Samsung Galaxy S plus random shutdown

hi guys, i'm getting really pissed off right now
i''ve got my phone for 3 months now and it worked like charm till the last month
every time my phone shutdown randomly , and when i restart it, my battery level is under the 10%
even if i charge it the whole night till 100%, after i use it a few minutes it shutsdown and the battery will be very low.
sometimes it doesn't even turn on anymore.
i can't use my phone now only when its charging because it doesn't shutdown then.
I've tried everything that i could think of, i've recalibrated the battery , installed different roms but i got the problem with every rom.
i've even tried it with a ics rom but still got the same problem
someone please help me

my phone had the same problem i have flash any costum rom but nothing and then i have flashed a stock original rom for fix that....and then retry a costum rom.
have you try to wipe /system /sdcard /data /cache /delik-cache and then flash a stock original rom with odin ?

Rajito said:
hi guys, i'm getting really pissed off right now
i''ve got my phone for 3 months now and it worked like charm till the last month
every time my phone shutdown randomly , and when i restart it, my battery level is under the 10%
even if i charge it the whole night till 100%, after i use it a few minutes it shutsdown and the battery will be very low.
sometimes it doesn't even turn on anymore.
i can't use my phone now only when its charging because it doesn't shutdown then.
I've tried everything that i could think of, i've recalibrated the battery , installed different roms but i got the problem with every rom.
i've even tried it with a ics rom but still got the same problem
someone please help me
Click to expand...
Click to collapse
I have the exact same problem, am about to buy a new battery tomorrow unless someone else has another solution? This might not be the proper forum but in here at least many i9001 users will read it.
I've had this problem for about a week, was very annoying while on holiday. I've tried using BroodROM BE 1.0, Stock KQE and now back to stock KPG.

Try ebay - you can easily find decent batteries for 5$ there.

pedrsantiago said:
Try ebay - you can easily find decent batteries for 5$ there.
Click to expand...
Click to collapse
Well yes I'm going to try a different battery soon but the odd thing is after my battery charge seems to drop down to 5% or so, it starts charging to about its original charge level without a charger connected. So it's basically 80%->drop to 5%->charge back to 60% without charger.

i'll try now to do a hard reset, go back to stock rom, then reinstall an costum rom,
will tell you if it works!

Plz mods remove/delete this sheeyat.. this is
Galaxy S Plus I9001 Android Development

i have used TeamWin Recovery for wipe all partition becouse with hard reset don't wipe /system and internal sd.

Rajito said:
hi guys, i'm getting really pissed off right now
i''ve got my phone for 3 months now and it worked like charm till the last month
every time my phone shutdown randomly , and when i restart it, my battery level is under the 10%
even if i charge it the whole night till 100%, after i use it a few minutes it shutsdown and the battery will be very low.
sometimes it doesn't even turn on anymore.
i can't use my phone now only when its charging because it doesn't shutdown then.
I've tried everything that i could think of, i've recalibrated the battery , installed different roms but i got the problem with every rom.
i've even tried it with a ics rom but still got the same problem
someone please help me
Click to expand...
Click to collapse
I thought I was the only one with this problem. I charge my battery to full and it starts draining normally. Then, when around 30-80% battery remaining, it turns off. It only turns off when you use it for a while, when the screen is off it stays on normally. After rebooting it turns off within a minute or so. This continues for a few reboots with the battery level remaining roughly the same. Eventually after a few boots it shows 3-4% of battery, after which I of course have to charge. Also tried calibrating and tried different roms but it still remains. I ALSO SWAPPED MY BATTERY WITH A FRIEND BUT IT DIDN'T HELP! It worked like a charm for him but I still got turn offs with his battery.

If i were you Guys, i would install stock rom and hand in my phone under warranty ( of course if you still have it ). Because if this occurs even when u swap battery, let samsung play with you phone then

Its not your battery..restore your phone to the way it was and give it to samsung

i'm getting pissed of now, even with the stock rom it randomly shutsdown.
i don't have any warrenty so i can't give it back to samsung

In case anyone's still wondering, in my case it did turn out to be a fried battery. If anyone else is experiencing the same issues I was, just check your battery to see whether or not it is swollen. If it's bigger than it should be, that probably means it's fried and you should replace it. I'm happily running custom roms without any trouble again now, and battery life is awesome!
Sent from my GT-I9001 using xda app-developers app

Rajito said:
i'm getting pissed of now, even with the stock rom it randomly shutsdown.
i don't have any warrenty so i can't give it back to samsung
Click to expand...
Click to collapse
Sorry Rajito, but you are having a serious problem, i think the motherboard is the problem, my friend had the same problem with his I9000 S simple. You shoud go to a service !

Hi guys,
I also have this problem, my phone randomly turns off and when I turn it on, it shows much less remaining battery percentage than before. (please see attached image) After turning on the value is increasing, sometimes from ~5% to 30-40% or more...
Now I have CM10 Jelly Bean flashed, but CM9 did the same sometimes but much more rarely than on JB. Today the phone 'died' three times until noon.

aToS88 said:
Hi guys,
I also have this problem, my phone randomly turns off and when I turn it on, it shows much less remaining battery percentage than before. (please see attached image) After turning on the value is increasing, sometimes from ~5% to 30-40% or more...
Now I have CM10 Jelly Bean flashed, but CM9 did the same sometimes but much more rarely than on JB. Today the phone 'died' three times until noon.
Click to expand...
Click to collapse
Yeah that's the exact same problem I had. In my case it turned out to be a fried battery, see if it's swollen or not, if you lay your battery on a table it should stay still and not wobble around. If the battery's not flat but swollen that means your battery is fried. In this case good news because you can easily replace it

avreijnen said:
Yeah that's the exact same problem I had. In my case it turned out to be a fried battery, see if it's swollen or not, if you lay your battery on a table it should stay still and not wobble around. If the battery's not flat but swollen that means your battery is fried. In this case good news because you can easily replace it
Click to expand...
Click to collapse
unfortunately it is absolutely not swollen, its fully flat :\
besides this I put out the battery now and put it back and it is showing only 2% percent of battery so maybe my battery is wrong
UPDATE: after uninstalling the pro version of Battery Indicator there were no random shutdowns at all, but the free version is fine o.0

CM10.1 battery issues

Im a sucker for AOSP Android Its smooth and simple just the way i like things. The only thing that keeps me going back to a Sense ROM (namely Nik Project X Rebirth and ARHD), is a slight battery issues. To put it simply, it either takes an extremely and painfully slow time to charge my phone from even 60% - 100% (about 6 or 7 hours which, if Im not wrong, should be the normal full charge of an HTC Incredible S stock??). After a week or two, the battery just screws up entirely. It takes EVEN longer than 5 hours to charge up like 20% of battery. Furthermore, it stops charging at 60% as if the battery was full!! I know this is not an issue with my battery because as soon as I flash any other ROM (thats not CM10.1 related) the battery starts charging up again. Dirty flashing CM10.1 nor clean install of CM10.1 seems to work for me
Does anyone know what the problem is and a possible fix?
I understand that I probably should be placing this thread in CM10.1 threads. I have posted in CM10.1 by dla5244 thread as well as the Lacoste thread. Yet no one has even RESPONDED to this issue.

072665995 said:
Im a sucker for AOSP Android Its smooth and simple just the way i like things. The only thing that keeps me going back to a Sense ROM (namely Nik Project X Rebirth and ARHD), is a slight battery issues. To put it simply, it either takes an extremely and painfully slow time to charge my phone from even 60% - 100% (about 6 or 7 hours which, if Im not wrong, should be the normal full charge of an HTC Incredible S stock??). After a week or two, the battery just screws up entirely. It takes EVEN longer than 5 hours to charge up like 20% of battery. Furthermore, it stops charging at 60% as if the battery was full!! I know this is not an issue with my battery because as soon as I flash any other ROM (thats not CM10.1 related) the battery starts charging up again. Dirty flashing CM10.1 nor clean install of CM10.1 seems to work for me
Does anyone know what the problem is and a possible fix?
I understand that I probably should be placing this thread in CM10.1 threads. I have posted in CM10.1 by dla5244 thread as well as the Lacoste thread. Yet no one has even RESPONDED to this issue.
Click to expand...
Click to collapse
May be Guidelines for Better Battery Life will help you

072665995 said:
Im a sucker for AOSP Android Its smooth and simple just the way i like things. The only thing that keeps me going back to a Sense ROM (namely Nik Project X Rebirth and ARHD), is a slight battery issues. To put it simply, it either takes an extremely and painfully slow time to charge my phone from even 60% - 100% (about 6 or 7 hours which, if Im not wrong, should be the normal full charge of an HTC Incredible S stock??). After a week or two, the battery just screws up entirely. It takes EVEN longer than 5 hours to charge up like 20% of battery. Furthermore, it stops charging at 60% as if the battery was full!! I know this is not an issue with my battery because as soon as I flash any other ROM (thats not CM10.1 related) the battery starts charging up again. Dirty flashing CM10.1 nor clean install of CM10.1 seems to work for me
Does anyone know what the problem is and a possible fix?
I understand that I probably should be placing this thread in CM10.1 threads. I have posted in CM10.1 by dla5244 thread as well as the Lacoste thread. Yet no one has even RESPONDED to this issue.
Click to expand...
Click to collapse
I am facing a similar issue, though not exactly. which you have mentioned, but recently my phone's battery does not charge beyond 60%; if the restart my phone, the battery charging status jumps to 80-85% and stays there..

srv.abhishek said:
I am facing a similar issue, though not exactly. which you have mentioned, but recently my phone's battery does not charge beyond 60%; if the restart my phone, the battery charging status jumps to 80-85% and stays there..
Click to expand...
Click to collapse
WTF m facing exactly same issue... itried every thing bt that dosent works...Changed rom, changed Kernel, changed Radio, twice revert to stock with locked bootloader... all waste ... I was thinkin take phone to HTC Care centre... m ****ed up... :crying:

Sandeep_Jagtap said:
May be Guidelines for Better Battery Life will help you
Click to expand...
Click to collapse
Thanks for your input but does not really help because my issue lies where my phone refuses to charge, not where my phone runs out of battery.
srv.abhishek said:
I am facing a similar issue, though not exactly. which you have mentioned, but recently my phone's battery does not charge beyond 60%; if the restart my phone, the battery charging status jumps to 80-85% and stays there..
Click to expand...
Click to collapse
I tried that. Just stays at 60% :/ it really sucks and I hope someone will find the source of this problem and provide a possible fix.

072665995 said:
Thanks for your input but does not really help because my issue lies where my phone refuses to charge, not where my phone runs out of battery.
I tried that. Just stays at 60% :/ it really sucks and I hope someone will find the source of this problem and provide a possible fix.
Click to expand...
Click to collapse
Try szeszo cm9 test tomorrow from his Google plus. It could be cm10 and incompatibility with our phone. So try cm9
Sent from my GT-I9300 using XDA Premium HD app

naathaanb96 said:
Try szeszo cm9 test tomorrow from his Google plus. It could be cm10 and incompatibility with our phone. So try cm9
Sent from my GT-I9300 using XDA Premium HD app
Click to expand...
Click to collapse
Is there a link for the test? It would be great if you can post it here...
072665995 said:
Thanks for your input but does not really help because my issue lies where my phone refuses to charge, not where my phone runs out of battery.
I tried that. Just stays at 60% :/ it really sucks and I hope someone will find the source of this problem and provide a possible fix.
Click to expand...
Click to collapse
I had checked with HTC customer care.. they had asked me to discharge the battery completely, remove it for about 30 s and then charge using USB..
I performed the above steps but instead of switching on the phone, I kept it switched off while it was being charged..
What I noticed was the battery charging status jumped from 0 - 67% in 1 hour and then to 82% in next 1.5 hours.. post then it stayed there..
From what I deduce, it does not appear to be a software problem.. I am primarily facing with lots of ROM, AOKP, CM10.1, MIUI, Stock - Sabsa, Viper

Try this method
(do when you are not using mobile for long time at night)
Method 1(Normal User)
Get --Battery Calibration---from Market (Damo software)
--Keep Incs on charger
--Now open Battery Calibration--
--Chose remove battery_stats.bin---
--Now PowerOff Immidietely
--Keep ChargerON till Entire Night
--At morning you will see green LED showing fully chared battery
--Boot IncS -new battery_stats.bin will be created-You will see 100% charged Battery
Alernative Method (Advance user)
(Note:Keep desired Rom on Your SD card to flash)
--Keep Incs on charger
--Go into recovery
--Wipe all Partition except SD CARD
--Wipe Battery Stats
--Now PowerOff Immidietely By removing battery
--Keep ChargerON till Entire Night
--At morning you will see green LED showing fully chared battery
--Boot IncS Bootloader into recovery
--flash the ROM which you already saved on your sd-Card
--Reboot
--You will see 100% charged Battery
Note: Keep your charger ON in Entire Process

srv.abhishek said:
Is there a link for the test? It would be great if you can post it here...
Click to expand...
Click to collapse
U need to add him on google+ and he adds u back. Then ull find his test builds and stuff. szezso's google plus
Sandeep_Jagtap said:
Try this method
(do when you are not using mobile for long time at night)
Method 1(Normal User)
Get --Battery Calibration---from Market (Damo software)
--Keep Incs on charger
--Now open Battery Calibration--
--Chose remove battery_stats.bin---
--Now PowerOff Immidietely
--Keep ChargerON till Entire Night
--At morning you will see green LED showing fully chared battery
--Boot IncS -new battery_stats.bin will be created-You will see 100% charged Battery
Alernative Method (Advance user)
(Note:Keep desired Rom on Your SD card to flash)
--Keep Incs on charger
--Go into recovery
--Wipe all Partition except SD CARD
--Wipe Battery Stats
--Now PowerOff Immidietely By removing battery
--Keep ChargerON till Entire Night
--At morning you will see green LED showing fully chared battery
--Boot IncS Bootloader into recovery
--flash the ROM which you already saved on your sd-Card
--Reboot
--You will see 100% charged Battery
Note: Keep your charger ON in Entire Process
Click to expand...
Click to collapse
Alright Ill flash a CM10.1 ROM. When it reaches 60% and can no longer charge, ill msg u back to see if it worked (cuz it normally dont happen until like 2 or so weeks after) Thanks for the input

Sandeep_Jagtap said:
Try this method
(do when you are not using mobile for long time at night)
Method 1(Normal User)
Get --Battery Calibration---from Market (Damo software)
--Keep Incs on charger
--Now open Battery Calibration--
--Chose remove battery_stats.bin---
--Now PowerOff Immidietely
--Keep ChargerON till Entire Night
--At morning you will see green LED showing fully chared battery
--Boot IncS -new battery_stats.bin will be created-You will see 100% charged Battery
Alernative Method (Advance user)
(Note:Keep desired Rom on Your SD card to flash)
--Keep Incs on charger
--Go into recovery
--Wipe all Partition except SD CARD
--Wipe Battery Stats
--Now PowerOff Immidietely By removing battery
--Keep ChargerON till Entire Night
--At morning you will see green LED showing fully chared battery
--Boot IncS Bootloader into recovery
--flash the ROM which you already saved on your sd-Card
--Reboot
--You will see 100% charged Battery
Note: Keep your charger ON in Entire Process
Click to expand...
Click to collapse
tried charging over-nite but no luck.. charging status same as mentioned above

srv.abhishek said:
tried charging over-nite but no luck.. charging status same as mentioned above
Click to expand...
Click to collapse
ohh. Hope it get fix.
I could tell you this far only

battery issue after unlock Bootloader

hello to all i need you help guys,
i buy a moto g xt1068 before 2 months after a month unlock the bootloader and i flash custom rom
after few days my battery starts to make a crazy staff...
like the % was 50 and in next 5 min was 20 and after shut down...
when i do reboot was in 14% ....
that issue happens a lot of times..
so i i flash an other rom.....it happens the same after few days.
so i relock the bootloader and i flash stock rom 5.0.2 but it happen the same....after 5 days
so that mean that the battery is dead.... and i must change it...and if i do this will be work normal?
plz help...
my friendly regards and
p.s:sry for my english.

bromoxitos said:
hello to all i need you help guys,
i buy a moto g xt1068 before 2 months after a month unlock the bootloader and i flash custom rom
after few days my battery starts to make a crazy staff...
like the % was 50 and in next 5 min was 20 and after shut down...
when i do reboot was in 14% ....
that issue happens a lot of times..
so i i flash an other rom.....it happens the same after few days.
so i relock the bootloader and i flash stock rom 5.0.2 but it happen the same....after 5 days
so that mean that the battery is dead.... and i must change it...and if i do this will be work normal?
plz help...
my friendly regards and
p.s:sry for my english.
Click to expand...
Click to collapse
The first thing I would do is look at settings>battery and see what apps are using the battery. Don't do it immediately after a reboot. Let it run for a little while.
Sent from my GT-P5210 using Tapatalk

Install wakelock detector o betterbatterystats.
Charge full reboot unplug let it untouched for a couple of hours check what's waking your device

bromoxitos said:
hello to all i need you help guys,
i buy a moto g xt1068 before 2 months after a month unlock the bootloader and i flash custom rom
after few days my battery starts to make a crazy staff...
like the % was 50 and in next 5 min was 20 and after shut down...
when i do reboot was in 14% ....
that issue happens a lot of times..
so i i flash an other rom.....it happens the same after few days.
so i relock the bootloader and i flash stock rom 5.0.2 but it happen the same....after 5 days
so that mean that the battery is dead.... and i must change it...and if i do this will be work normal?
plz help...
my friendly regards and
p.s:sry for my english.
Click to expand...
Click to collapse
The Best thing is first calibrate you're battery and see if it works or you just charge you're phone to 100 present and just keep you device a side and see if you're battery is draining again just go and see which app is draining you're battery and delete that app or do a factory reset ..!! Make sure to calibrate you're battery first
Calibrating : download and app called advance battery calibrate and follow the instructions given by that app and shut down you're device and charge you're device offline and after charging it 100 present then reboot and see it should work
If no : might be problem in you battery...!!?
Note : start calibration when you phone is about to die i.e when you're phone is at 5 to 6 present of battery left

wow!!!!!
dj krishna said:
The Best thing is first calibrate you're battery and see if it works or you just charge you're phone to 100 present and just keep you device a side and see if you're battery is draining again just go and see which app is draining you're battery and delete that app or do a factory reset ..!! Make sure to calibrate you're battery first
Calibrating : download and app called advance battery calibrate and follow the instructions given by that app and shut down you're device and charge you're device offline and after charging it 100 present then reboot and see it should work
If no : might be problem in you battery...!!
Note : start calibration when you phone is about to die i.e when you're phone is at 5 to 6 present of battery left
Click to expand...
Click to collapse
that was great i will test it for sure mate to see if really works and if i can make the battery works normally again.
Thanks a lot again for all this infos.
my best regards again:good:

dj krishna said:
Calibrating : download and app called advance battery calibrate and follow the instructions given by that app and shut down you're device and charge you're device offline and after charging it 100 present then reboot and see it should work
If no : might be problem in you battery...!!?
Note : start calibration when you phone is about to die i.e when you're phone is at 5 to 6 present of battery left
Click to expand...
Click to collapse
Battery calibration apps just wipes batterystats.bin which is also wiped when 100% is reached, then they are just placebo, they won't hurt the battery.
Offline charge might help if there's an app draining and heating the phone during charge, it might take longer to charge if you have an app draining battery.
Best you can do is to not let battery runs under 15% and try to not completely depleat the battery.
http://www.xda-developers.com/googl...-battery-stats-does-not-improve-battery-life/

pathetic battery

I am on Repulsa rom with mad max kernel. And the battery life is pathetic. From 100 to 20% there is no problem but as soon the battery goes below 20% it will literally go to zero in 10 sec and will shut down. It happens 9/10 times.. As soon as it goes below 20% it will shut down in few seconds.. This is not rom or kernel issue because this has happened with different rom and Kernel too.. If anyone can help it would be of great help..

Battery is badDegraded. common thing with phone batteries. Gotta get the battery replaced

me2151 said:
Battery is badDegraded. common thing with phone batteries. Gotta get the battery replaced
Click to expand...
Click to collapse
Within 10 months?

Dbj.Dhaval said:
Within 10 months?
Click to expand...
Click to collapse
Yep easily possible.

I dunno if this will be covered under warranty.. Also the phone is rooted

Dbj.Dhaval said:
I dunno if this will be covered under warranty.. Also the phone is rooted
Click to expand...
Click to collapse
degraded battery is usually covered but you tripped knox when you installed twrp. so you may not be eligible for warranty

Dbj.Dhaval said:
I am on Repulsa rom with mad max kernel. And the battery life is pathetic. From 100 to 20% there is no problem but as soon the battery goes below 20% it will literally go to zero in 10 sec and will shut down. It happens 9/10 times.. As soon as it goes below 20% it will shut down in few seconds.. This is not rom or kernel issue because this has happened with different rom and Kernel too.. If anyone can help it would be of great help..
Click to expand...
Click to collapse
I dont have that much knowledge but i am unrooted and happened to me serveral times as my battery shut downs in 13 percents. I looked for a solution and my issue resolved. Hope if it can help you
Maybe its calibration issue
Maybe your phone thinks 20% is 0
Try using fully discharge your battery until it shutsdown then go to recovery mode and waste the juice until it turn off and dont even boot into recovery. Then charge full with power off and again discharge to 0. Again to 100 and see if problem solves.
If not then maybe issue is with battery

I'm getting 5-7 hours here depending on the usage but to be sure go back to stock room for 5 days and check the SOT BY THE WAY I'm on Lightrom with the mad Max kernel

My phone used to be like this... so annoyed.
I tried everything but no result: using battery calibrate apps or methods, flashing stock rom, reinstalling TWRP,...
I am quite sure when your phone is at 20%-, you can't see battery % in TWRP mode :V.
I think the cause is TWRP ( data can't mount )
Here is what HAPPENED to my phone )
I flashed ECHO rom and my phone got bootloop..."Only official binaries ...."
Fine....too easy to fix... I flashed my stock rom and ta da... My phone's battery was Fixed :V
So ...you can consider bootloop your phone to fix the problem ))) Then wait 7 days without restarting your phone... reinstall TWRP ( "NOUGAT" or "OREO" ). And when you download dm-ver... zip to install TWRP, look carefully for LATEST version "LATEST". And dont update your TWRP or use themes for TWRP (Old is gold, simple is perfection :v , fuctional is too enough)
GOOD LUCK

alextdt said:
My phone used to be like this... so annoyed.
I tried everything but no result: using battery calibrate apps or methods, flashing stock rom, reinstalling TWRP,...
I am quite sure when your phone is at 20%-, you can't see battery % in TWRP mode :V.
I think the cause is TWRP ( data can't mount )
Here is what HAPPENED to my phone )
I flashed ECHO rom and my phone got bootloop..."Only official binaries ...."
Fine....too easy to fix... I flashed my stock rom and ta da... My phone's battery was Fixed :V
So ...you can consider bootloop your phone to fix the problem ))) Then wait 7 days without restarting your phone... reinstall TWRP ( "NOUGAT" or "OREO" ). And when you download dm-ver... zip to install TWRP, look carefully for LATEST version "LATEST". And dont update your TWRP or use themes for TWRP (Old is gold, simple is perfection :v , fuctional is too enough)
GOOD LUCK
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Why wait 7 days with no reboot? Not needed if it's to make the OEM toggle visible...just wait 7 days or use the date-change workaround. Reboots affect the uptime timer but not the server-side OEM unlock timer.
Dbj.Dhaval said:
I am on Repulsa rom with mad max kernel. And the battery life is pathetic. From 100 to 20% there is no problem but as soon the battery goes below 20% it will literally go to zero in 10 sec and will shut down. It happens 9/10 times.. As soon as it goes below 20% it will shut down in few seconds.. This is not rom or kernel issue because this has happened with different rom and Kernel too.. If anyone can help it would be of great help..
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Happened to me lately on stock, never rooted. Try turning off quick charge and use normal method instead for a few cycles. Maybe test on stock firmware just to be safe. If no improvement it might be a degrading battery.

I am thinking to factory reset the phone to see if the problem is solved.. N try the solutions offered ie calibration, quick charge off

Dbj.Dhaval said:
I am thinking to factory reset the phone to see if the problem is solved.. N try the solutions offered ie calibration, quick charge off
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Sounds good, just be careful with calibration...fully charging or discharging the battery reduces it's overall lifespan. Don't do it too often.

I did factory reset including internal storage wipe and calibration Bt still the problem exists.. Now the battery will go down to 15 then directly 14,12,10,5 in seconds even if I connect charger at 15 it will go down till 3%..

Dbj.Dhaval said:
I did factory reset including internal storage wipe and calibration Bt still the problem exists.. Now the battery will go down to 15 then directly 14,12,10,5 in seconds even if I connect charger at 15 it will go down till 3%..
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Hmm that's frustrating. Not sure if there might be another cause or fix, otherwise might be the battery itself.

sefrcoko said:
Hmm that's frustrating. Not sure if there might be another cause or fix, otherwise might be the battery itself.
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Yes I also think it's the battery problem

Dbj.Dhaval said:
Within 10 months?
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Yeah, it can be possible to degrade the battery that quickly.
It usually happens when you let your phone go under 20% frequently or let it die completely before charging it again.
I usually do the lowest 25-30% and the 80+% charge daily, then finally use it all the way to 20% before going to sleep, put it on a slow charger, and by next morning its at 100% without keeping it charged 100% all night (which can also degrade the battery, just a lot slower than discharging it completely.)

I have had my phone a week before it came out and my battery is awesome. It lasts me all day everyday. Best phone I have ever had.