What is causing battery drain? - General Questions and Answers

Recently my phone discharges extremely quick. It can go from 100% to 0% in less then 6 hours without any heavy usage. It is LG G5 with stock ROM (just rooted) and I have a spare battery. Both discharge so fast, so I don't think the battery is responsible for it.
Sometimes I notice that while wearing the phone in my pocket, it gets quite hot and battery went down by 20% in just a few minutes. If I look at the battery stats in system settings, it show the battery was mainly used by Android and phone stand-by.
How can I find out what was the real case of the problem? I guess because the phone is so hot, some app (or process) was causing that the CPU to work at high frequency a caused the drain. How could I identify what really is the problem? I even tried Greenify or Force Doze to eliminate the problem but with no success. How can I identify, what's wrong and what is causing the overheating and battery drain?
Thank you.

Related

Advice HTC Sensation Battery

Hi, after restoring my phone to run CM12 again, I find that my battery is taking too long to charge and draining so fast. I have tried calibrating 3 times, installed greenify, cpu tuner (extreme saver) but it is still the same. In standby mode (when the screen is off and doing nothing) the battery is great and can last for many hours without losing a percent. However, when I'm using it drains so fast and the bottom part of the phone heats up (not the battery). Given this info, do you think it is best to replace the battery? Or is the problem the phone itself? Thank you.

Battery Drain in 2 Hours

I had this problem before I flashed the ROM, but that was several years ago so I can't compare between now and then, but it is clear that my device drains battery abnormally fast. I would say it lasts about 2.30 hours and it gets very hot over time.
To give a perspective, the miscellaneous battery drain went from 33% to 71%
Granted, I was installing new apps during that time, but I still don't see why it should drain so much, especially when it is miscellaneous that drains the most.
Buddy! You got a rom on there for just 4 hours! Way too soon to tell anything about battery usage and forget the on board battery statistics. Might as well read your coffee grounds...
Plus, tons of stuff is going on in the background after flashing a rom, indexing is one of them, AND Katshmallow is overclocked which makes the tablet run on the hot side anyway and eats battery. That's the price to pay for speed.....
Run it for a week, install Battery Battery Stats, maybe Wakelock Detector too, then we can talk about battery drain....

Wakelock battery drain [Need Help]

Hello, guys!
I have a problem with my phone for the past few months and after clean flashing 7.0 Nougat it's still present.
My problem is that when I'm home, my phone drains not even few percent of battery. Specially when I'm sleeping, I can go to bed with 100% battery and wake up with 98-99%. BUT when I'm out, specially when I'm working since my work involves a lot of walking the battery just drains like hell and I mean like 7-10% per hour considering I don't even use the phone. Sometimes I will have 30min to an hour of screen-on time and after 10 hours of work I will be home with 15% of battery left.
Now I know that this is mostly to some rouge app that keeps my phone awake and drains my battery but I'm not really sure how to pinpoint it.
I will provide my stats from Bettertbatteystats and WakelockDetector if you guys can help me.
Thanks in advance!
Edit: I just want to explain that the straight line on the first picture with the batter drain graph is when I went home and left my phone on the table for about 3 hours. You can clearly see that the difference in battery consumption during my phone being in my pocket and on the table.

Battery drain issue

Is it me or when screen is off this phone still drain noticable amount of battery like 5% in 3:30hrs. P. S. No app is running in background. The battery usage shows xiaomi service framework and google taking 20% of battery total.
Edit : just saw on standby mode - radio battery drain is using up my battery, any fix for this?
I was also getting a 7 - 8% overnight battery drain which was unacceptable, however, I used the adb debloat tools to remove most of the shady systen apps that xiaomi pre-installs on the device and after that the drain doesn't happen at all. My phone sleeps like a baby with only 1 - 2 % drain overnight.
You should check out this thread.
Is there a way to determine which miui tools are the ones draining the battery?

Help: Quick Battery Drain and overheating

I am trying to figure out what is causing my Nexus 5 to be hot (I saw 44C/111.2F at one point) and also why my battery drains so fast, like 100% to 83% in a couple minutes with screen-off idle
I installed GSam to try and figure out the direct cause but it is not very clear to me, what I got out of it is that my phone is draining around 22% per hour while screen-off idle
https://imgur.com/a/ZiS7NIo
I changed to a brand new battery yesterday
Any suggestions?
minun said:
I am trying to figure out what is causing my Nexus 5 to be hot (I saw 44C/111.2F at one point) and also why my battery drains so fast, like 100% to 83% in a couple minutes with screen-off idle
I installed GSam to try and figure out the direct cause but it is not very clear to me, what I got out of it is that my phone is draining around 22% per hour while screen-off idle
https://imgur.com/a/ZiS7NIo
I changed to a brand new battery yesterday
Any suggestions?
Click to expand...
Click to collapse
Well Nexus 5 was known for its pretty crappy battery, you may want to check your app list to see if something you didn't want is installed. This screen off drain is likely to be caused by an app.

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