Battery Drained 100 to 80 percent in two hours (no used)!

[DoomsDay]

Please tell us some basic information before asking for help:
Model Name: Asus Rog 2 Phone
Firmware Version: 10
Rooted or not: Not
Frequency of Occurrence: Always
APP Name & APP Version (If your issue relates to the app): N/A
I have a issue with my asus rog 2 phone, I bougth that phone seven months ago and I noticed that the battery durations is less each day. Today I charged my phone up to 100% and two hours later (no used) the battery is at 87%. What is the cause?.

[DoomsDay]

ronald1985

https://zentalk.asus.com/en/discussion/comment/128560#Comment_128560

Going through the menu on my phone to see which options can be turned off:

Here is another one under Developer option - Wifi scan throttling

These are only guesses now, so feel through to ignore.

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In my phone that option is active

[ronald1985]

DoomsDay

https://zentalk.asus.com/en/discussion/comment/128826#Comment_128826

In my phone that option is active

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Thanks, back to the drawing board.
Edit:// Did you say you did battery calibration too?

[sordeliel]

So, I've done all of the above and looked with the data saver, didn't worked very well.
Now, this is the first time I see this, I use Droidcam for meeting call on Zoom for maybe 2hours, but overall is really weird.

[squall0833]

one quick question.....
How long does it take to charge your rog phone 2 from 1% to 100% with 30w charger?
from what Ive seen on internet, average of new rog 2 phones charges from 1-100% in about 1hour 40min (30w charger)

but it took only 50mins for me to charge from 1-100%....
also it lasts unusual long when playing a youtube video continuously (1 hour 20min+) when indicator at 1% before it shuts off
and during charging battery, if i keep charger plugged after it hits 100% for another 50mins, then unplugged it, that 100% lasts longer by same, playing a youtube video and it stays at 100% for more than 20min before it starts to drop to 99%
then 99-80% drain pretty fast, then drains seems reasonable from 80 to 1
battery calibrate doesnt seem help, no difference at all,
I feel like my battery has degraded (20% lesser capacity) in less than a year, I have been taking care of it since new until today, no charging during gaming, keep battery temperature below 37c, keep phone temperature below 41c during gaming. charge battery only between range 30-80%, and my battery still degraded at abnormal speed in less than a year

[Kanu]

squall0833

one quick question.....

How long does it take to charge your rog phone 2 from 1% to 100% with 30w charger?

from what Ive seen on internet, average of new rog 2 phones charges from 1-100% in about 1hour 40min (30w charger)

but it took only 50mins for me to charge from 1-100%....

also it lasts unusual long when playing a youtube video continuously (1 hour 20min+) when indicator at 1% before it shuts off

and during charging battery, if i keep charger plugged after it hits 100% for another 50mins, then unplugged it, that 100% lasts longer by same, playing a youtube video and it stays at 100% for more than 20min before it starts to drop to 99%

then 99-80% drain pretty fast, then drains seems reasonable from 80 to 1

battery calibrate doesnt seem help, no difference at all,

I feel like my battery has degraded (20% lesser capacity) in less than a year, I have been taking care of it since new until today, no charging during gaming, keep battery temperature below 37c, keep phone temperature below 41c during gaming. charge battery only between range 30-80%, and my battery still degraded at abnormal speed in less than a year

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This 1% thing and 100% for an hour thing happened with me as well. I think battery hasn't degraded as much but the software is somewhat faulty in portraying right battery indications.