[Q] Couple of questions regarding battery - Xperia Arc Q&A, Help & Troubleshooting

Hi guys I know battery issues are covered a lot but this is slightly different.
The past couple days my battery has drained a lot. Within 6 hours usually its a minimum 7 hours until it reaches 20%.
But since yesterday Android System has been partial wake lock, according to battery use it was 50%. It was only till I rebooted earlier this afternoon that it was cleared but saying that the drain after a full charge ive been on battery for 3 and half hours im already on 53%. Should I use battery calibration app to remove battery stats? Im not sure if I should as once I reach 90% the battery stats reset itself.
Im on stock rom rooted latest firmware.
Thanks in advance
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Related

Sudden battery life drain

Recently my battery life has dropped extremely low. I have been running setcpu to underclock when not in use to preserve battery life and it was working very well draining 1% on standby every 2 hours approx. A couple days ago I had it on standby and somehow in the morning the battery was completely dead after I had fully charged it the night before. It is such a drastic drop and I didn't even change anything that I think it's the actual battery itself. I can watch the %'s drop just watching my phone now. Has anyone else had a problem with this? It seems that the battery can't hold a charge anymore.
Looking at my phone right now, I had it off the charger for about 10 minutes after it fully charged and it's already down to 90%.
The first question that comes to mind is have you made any changes lately? Installed new software? upgraded something? If your phone was getting okay battery life last week and now it's not, it's time to start pin pointing what, if anything, has changed. Keep it mind it is possible for a battery to die...
Someone on this forum told me to erase the battery stats. I was told to go into the recovery. I use clockwork. There is an option to reset battery stats. This worked for me but do some research on this site. I am not an expert but was told to do this by someone who is
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[Q] Quick Battery drain?

Ok this is really weird my phone would hold at 100% since 2pm today untilll about a hour ago witch is about 8 hours, Then since one hour ago it has gone from 100% to 91 within the span of a hour is this normal? I've charged the phone to 100% used the battery calibration app from the market that I was recommended unplugged then let the battery drain completely but the problem persists. Anyone explain to me what's going on and any ideas on how to fix it?
These devices drain batteries pretty quick. If you went 9 hours with only losing 9% you are doing pretty good.
Also don't drain li-ion batteries. All the talk about calibrating them is honestly a joke...can't calibrate a li-ion battery.
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[Q] Battery life has suddenly shortened

Hi I have: HTC Wildfire with CyanogenMod 7.2.0-RC1
In about the past 2 days my battery life has dropped considerably with the phone not lasting more then 12 hours, as opposed to the previous life of 2-3 days.
I charged it too 100% last night and this morning when I checked it it was at 20%
I have not installed any new apps, my screen usually runs on low brightness and the data connection only running on 2g/Edge and I have changed no settings lately.
I tried a battery stats wipe, no change.
I remember having that problem just after I flashed a new recovery.
It was about 80% before I sleep And when I wake up I find it 55%
I installed Sympfinity kernel and it really improved battery life.
now only 10% (sometimes less) are lost through the night.
Try Sympfinity kernel.
Sent from my HTC Wildfire using Tapatalk 2
I Flashed CM7.2 RC2 it seems to have fixed the problem.
tpex said:
Hi I have: HTC Wildfire with CyanogenMod 7.2.0-RC1
In about the past 2 days my battery life has dropped considerably with the phone not lasting more then 12 hours, as opposed to the previous life of 2-3 days.
I charged it too 100% last night and this morning when I checked it it was at 20%
I have not installed any new apps, my screen usually runs on low brightness and the data connection only running on 2g/Edge and I have changed no settings lately.
I tried a battery stats wipe, no change.
Click to expand...
Click to collapse
I advise you to install battery calibration from play store, sometimes after flashing a new rom, battery may be miss-read
tip
the battery life is also affected depending on the time you have automatic update on your phone because if you have updated very often it spends considerably battery not in use so the phone .. hechale a look at this and help us a lot of your battery greetings
Welll i used to have a similar problem on my wildfire,so i downloaded power max and used it on standard mode and used Go power master with autoswtching and other stuff...just before exchanging it for a Nexus, i had the battery to last around 40 hours with 5 hours of browsing, 3 hours of listening to music and 2 hours of gaming with heavy use of whatsapp and texting and 30-40 minutes of calling...previously my battery use to last only 10 hours...hope this will help you...you can also go up to ebay and buy an extended battery for just Rs.960 which is 3000mah...cheaper than the original smaller battery....link to the extended battery http://www.ebay.in/itm/3000MAh-Exte...4-HTC-Wildfire-G8-/140533335447#ht_1453wt_907

Extended battery issues

Hello guys,
I have a GSM Galaxy Nexus running the latest Android 4.2.1 Officialy from Google. I hae bought an original extended battery for it, but the issue is that it seems that it holds less juice than the original one, that came with the phone.
With the default battery, i get around 3 hours of screen on and with the extended one, i barely get 2:40 minutes. Tried this a couple of times.
What's the matter with it ? Do i need to calibrate it somehow ?
I have the same battery and had the same issue. After using it for about a week it started working better. What I suggest is charge it all the way up and then use it until it completely goes dead then fully charge it again. Do this a few times then you should notice the difference which isn't huge but I'm averaging about 4-5 hours more than standard now.
Sent from my Galaxy Nexus
I did this allready, and there's no improovement.
I have been using this batter for over 1 month now.
calibachrome said:
I have the same battery and had the same issue. After using it for about a week it started working better. What I suggest is charge it all the way up and then use it until it completely goes dead then fully charge it again. Do this a few times then you should notice the difference which isn't huge but I'm averaging about 4-5 hours more than standard now.
Sent from my Galaxy Nexus
Click to expand...
Click to collapse
With Li-ion batteries, this should make no difference what so ever. It should get better over time. From what I've researched, you should never let a li-ion battery fully die. When it hits 20% - 30% fully charge and then don't charge again until you hit 20%. There are only so many charging cycles on a battery.
You might have something constantly running in the background that is eating your battery. Try juice defender, it drastically improved my stand by time.
What i was saying:
The stock battery holds a charge of ~3 hours of screen on time
The extended battery holds a charge that lasts less than 3 hours witch is strange because it haves a bigger capacity.
Is there any way to reset the baattery stats ? Or to reset the battery count ? Something like that ?
The whole "wipe battery stats" thing found in CWM is useless. Confirmed to be by a developer at google.
http://www.xda-developers.com/andro...-battery-stats-does-not-improve-battery-life/
I see. Anything else i can try ?

heavy battery drain issues by android OS

Hi, I have bought a G Pad for my mother-in-law, and recently she started complaining on the battery life. Indeed I have noticed, that after fully charging and leaving the device idle it looses 40% of the battery over 12 hours. I have made a factory reset, but the battery has drained 12% in 12 hours with everything off and a few minutues of screen on time (only used to for the initial set up after the reset). Also I have the feeling that the drain increases with every hour.
Battery stats say that Android OS is the most heavy drainer. Do you have any suggestion how to fix this (besides trying a different ROM - i don't want to do this at the moment).
Thank you
molnartibor said:
Hi, I have bought a G Pad for my mother-in-law, and recently she started complaining on the battery life. Indeed I have noticed, that after fully charging and leaving the device idle it looses 40% of the battery over 12 hours. I have made a factory reset, but the battery has drained 12% in 12 hours with everything off and a few minutues of screen on time (only used to for the initial set up after the reset). Also I have the feeling that the drain increases with every hour.
Battery stats say that Android OS is the most heavy drainer. Do you have any suggestion how to fix this (besides trying a different ROM - i don't want to do this at the moment).
Thank you
Click to expand...
Click to collapse
Try to use wakelock detector and greenify to check and stop the process that could be causing this battery drain.
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Do you have an SD card in it? Try taking it out and see if the battery drain goes away. A bad SD card will cause android to keep scanning the card...
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