[Q] question about battery use - Asus Eee Pad Transformer Prime

Two questions:
1. what sort of battery discharge rate would indicate that my tab has a problem? i was reading using aldiko last night for about an hour, and the battery went from about 85% to 70%. it seems like this is higher than it should be for just passively reading an ebook. thoughts? does this battery burn rate seem legit? how do i know when i have a problem? is there a good way to test my battery in terms of whether or not i am getting teh batery life i should?
2. the battery stats in "settings" are not working properly. there is no breakdown of which components are using teh battery. there is nothing under teh graph at all. any one else have this issue? thoughts on how to fix?

Related

[Q] HELP, battery reading problems

couple weeks ago, i pulled my battery out when it was at 81% started it back right away and it was 45%, did it again today, it went from 71% down to 29%, my battery reading is tripping, I noticed. MY BATTERY IS HORRID, i lose 1% power per min on the lowest screen brightness display setting, could this have anything to do with this?
side note:
using my battery. battery stats says that my screen is causing 99% drainage.
my buddy battery: my screen is 80% drainage.
bad battery??? it still drains really quick with my buddy's battery, but DOES perform better. but not by much...
another thing, lol..... charging differs. sometimes it can charge like 10% every 10 minutes, and sometimes 30min for 10%.....its just weird. and my phone doesn't last me longer than 10 hours full charge, minimal use.
You may want to look at your battery health under the battery information menu.
Also to better understand and provide support we need to knock out a few things.
What is your current set up? ( rom,kernel, etc)
Have you done a battery calibration at all?
Have you run things like cpu spy to see what apps could be at fault?
All of this can give the community a better picture of what may be going on
Also I pull my battery alot because of testing and sleeps of death and I see very good battery life still. Atm 15 hours @ 72% and I am far from conservative.
SF.UKB.CR.
kernel is the community TSM, battery still was wierd in stock rom, sc 2.9.2, and others.
battery health is good according to spare parts at 3850mv.
currently charging its been at 16% for 10 mins.....
gkirby11 said:
You may want to look at your battery health under the battery information menu.
Also to better understand and provide support we need to knock out a few things.
What is your current set up? ( rom,kernel, etc)
Have you done a battery calibration at all?
Have you run things like cpu spy to see what apps could be at fault?
All of this can give the community a better picture of what may be going on
Also I pull my battery alot because of testing and sleeps of death and I see very good battery life still. Atm 15 hours @ 72% and I am far from conservative.
SF.UKB.CR.
Click to expand...
Click to collapse
Just FYI, you don't have to do a battery pull when you get SOD. Just hold the volume up and power buttons until you see the samsung logo, then let go. This is a hard reboot of your phone. That will save you battery a little bit as you won't be pulling it as much.

Battery Reading Issue, Want Answers

I have a battery reading issue on my Motorola RAZR. Whenever I use a ROM with one percent battery mod, two things happen:
a) It stops charging at 95-96 % (says "full") Not really an issue, if I leave it longer it eventually goes to 100.
b) Dramatic 10 percent(ish) drop. One second it'll be on 27% and then it'll drop to say, 19. It only does this once per charge, and I don't think it's ever at the same level when it does it.
Why does this happen? Is it common? Web search had no answers.
And please don't tell me to calibrate my battery. Not only is that a debunked myth, but I've tried it several times (through an app, and manually through recovery) and it hasn't worked.
Responses are appreciated
Anyone?
Sent from my Nexus 7 running CM10
Strange battery readings are not unusual after flashing a new rom. I've seen sudden big drops. I've also seen increases in my battery percentage. Eventually after several charging/discharging cycles you should get more accurate battery readings and you shouldn't see such strange behavior.

[Q] troubleshooting battery drain issue

I am looking for some thoughts on troubleshooting a mysterious battery drain issue.
My TF-201 and dock used to hold a charge for a week or more when doing nothing. Recently my TF201 will drain the battery in less than a day even when docked. I notice this when I try to use it and it is dead. Of course, once it's dead, I can't view batter stats or use Better Battery stats to see what is causing the drain. The data is gone.
Here's what's happening. The Asus is docked and closed and will idle for a day or two and I might get a 10% drop in battery charge. Then, it just drops to zero the next day.
I am examining if there are any events that are schedule to occur that might keep Wi-Fi on or the CPU out of a deepsleep, either or both would drain the batter, but since I haven't caught it at a low enough point that shows massive drain without being completely drained, I haven't had much luck.
I haven't tried leaving it undocked to see if the problem persists (if it didn't, that indicates a problem with the keyboard/dock. It did persist, that would indicate a problem elsewhere).
Any ideas on how to proceed?
mfratto said:
I am looking for some thoughts on troubleshooting a mysterious battery drain issue.
My TF-201 and dock used to hold a charge for a week or more when doing nothing. Recently my TF201 will drain the battery in less than a day even when docked. I notice this when I try to use it and it is dead. Of course, once it's dead, I can't view batter stats or use Better Battery stats to see what is causing the drain. The data is gone.
Here's what's happening. The Asus is docked and closed and will idle for a day or two and I might get a 10% drop in battery charge. Then, it just drops to zero the next day.
I am examining if there are any events that are schedule to occur that might keep Wi-Fi on or the CPU out of a deepsleep, either or both would drain the batter, but since I haven't caught it at a low enough point that shows massive drain without being completely drained, I haven't had much luck.
I haven't tried leaving it undocked to see if the problem persists (if it didn't, that indicates a problem with the keyboard/dock. It did persist, that would indicate a problem elsewhere).
Any ideas on how to proceed?
Click to expand...
Click to collapse
Hi,
If you check the battery usage you can see what app is using your battery. Maybe an app or a process running and this causing the drain. If you cannot see anything there I would do a factory reset..

3rd party Li-Io batt and Android gauge fix?

How do you override the default android manufacturer info on battery capacity?
E.g
I'm using Xperia C5503, rooted of course. Original battery comes with 2300mAh. I've got a new fatty 3rd party 3400mAh but the Android gauge simply can't get the correct reading of the new battery capacity. I tried setting the new capacity inside of 3C battery monitor pro but seems it's only for internal comparison, calibration also doesn't help probably because it's only meant to calibrate original 2300mAh not anything more or less.
So the result is reading stuck at 1% lasting for 10 or more hours, it's really frustrating. Any ideas?
Well, to reply to myself - I found it.
The solution to 'fix the gauge' with extended battery is to not let it drain to 0% but instead to drain only to the low battery indicator! I used 10% remaining indicator mark (didn't tried with 15% as suggested @batteryuniversity or 5% when battery saving mode switches on), then the crucial point is to switch the phone off and let it recharge in powered off mode till 100%. Repeat the procedure 2-3 times and it should be good.
The charging circuitry needs to learn what the max and min are, so it can then stretch its range to fit the battery's new and much larger capacity.
As a result now I have 3400mAh that holds around 3d6h with more than 8h of screen time. Hope that helps to someone too.

Battery at only 93% according to Accu battery

Hey guys, I have not been getting stellar battery life. It seems to drain very quickly and I never get the screen on times that a lot of you guys are reporting. I have the Accu battery app installed on the phone and here are some screenshots. Apparently my battery estimated capacity is 93% of what it's supposed to be. Also, I'm attaching some other pictures that give you an idea of how fast it's draining. Does anyone else have this app installed and what does it say as far as the battery estimated capacity? Do you think I got a lemon? The phone is only a few months old. Please see attached pictures. Those are almost all with Wi-Fi and not on 5G. Thanks
Can't see your screenshot, also not using this app. You should see in in your battery settings what is eating your battery. Mine is only two months old but withouth dual screen I can get easy 10h + SOT and I charge my phone every 2-3 days. Also I charging mine with cable as it charging best that way, got wireless charger but comparing to wired (on same charger) there is a huge difference and phone seems to hold charge for longer when charged on cable.
What model do you have exactly? If you go to the hidden menu *#546368#*600# do you have any logging enable? Do you have bluetooth/ wifi scanning in use, or always on display?
Did you notice any change in updating recently?
There are some ways to supposedly calibrate the battery that you can try.

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