Xperia z battery sudden drop - Xperia Z Q&A, Help & Troubleshooting

Hello,
Am using Xperia z 5.1 and when i have like 60% 50% of bettery and i reboot i get 10% or 9% battery , can someone explain or solve this problem please, and how i can know the real battery %.

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[Q] TX Battery drain out

I just got my Xperia TX last week,but I have one issue with my phone, the battery drains really fast. I always use internet & wifi. I can get around 4 to 5 hours before it drains out. Is this normal? Any suggestions guys?
my TX got problem to.. the battery percentage got problem. 20%-15%, then my battery already flat out.. i dont know how to calibrate the battery stats to show true battery percentage
Any suggestions guys?
How about posting the using best battery stats app?
Sent from my LT29i using Tapatalk 2
samuelp said:
I just got my Xperia TX last week,but I have one issue with my phone, the battery drains really fast. I always use internet & wifi. I can get around 4 to 5 hours before it drains out. Is this normal? Any suggestions guys?
Click to expand...
Click to collapse
yes its perfectly normal, if u watch videos and surf internet all time coz the display is too good and the battery is not sufficiant enough power it,
Also check the battery usage in Settings>Power management > you will get an idea what eating up the battery and i am sure it will be mediaserver.

battery problem

Hi
i updated my xperiaz z with phone app to 253,and decrease my battery life very fast.before updated i can use 2 days from battery,but now just 10,11 hours and if the phone on standby 20 hours.
how can i improve it?
my phone isnt root.

[Help!] Battery BUG - c6943

Good evening.I unlocked the bootloader of my xperia Z1 and installed a custom ROM. After that, the battery of my xperia was totally wrong.
When put to recharge when it comes in the 25 ~ 30%, the load jumps to 100%. When in use, to arrive in 45 ~ 40%, the phone resets and gets 1% of battery.
Someone please help me?

Xperia z battery drains fast

I have an xperia z my battery drained too fast so i replaced it but still the issue wasnt fixed
* Battery last around 1h 20 on wifi
when i reboot the phone the battery drains for like 20 % somtimes it even goes from 60 to 25 % when i do that
* is this a hardware issue cz i've used all kind of roms from stock to custome ones
Re: Xperia Z battery drains fast
I was facing same problem with my Xperia z. Soon after update to lollipop.
1.Battery drains fast
2.Use during charging battey drains
Here is the solution that works for me it might help you.
Go to
Settings>Security>DeviceAdministrators
Uncheck the
Android device manager

xperia z3 compact tablet Battery Draining easily

Hi Fellas,
I had this Sony xperia z3 compact tablet that i bought from swappa earlier this year. It came working and in perfect cosmetic condition but after about 2 months of usage the battery started draining out very easily to the point that the tablet can be 65% charged and the next moment it's shutting down. Lately it got worse as it shuts down even when the battery is 85% charged. I've contacted the seller and sony nd nothing helpful came out from them. I need help on how to get this battery issue fixed so that i can enjoy my tablet like the early days. It's running android 6.0. Thanks
Having a similar problem with my xperia z3.
dont understand what's happening with my phone. Have old Xperia Z3 D6603 (running android 6.0 marshmallow).
Had problems with battery since it was not lasting even 5 minutes so bought a new battery from ebay and installed it yesterday.
So first time I put it to my phone it showed that it had 70% of charge. I've read in battery description that I have to discharge the battery and recharge 3 times.
First time I wanted to discharge from 70% to 1% and with a battery discharge app + youtube 1080p videos + wifi signal it took only around 1 hour and phone was at 1%. From 1% till complete discharge it took me extra hour and then phone died.
I plugged it to charge and after 15 minutes it showed that battery now is at 100% (which is insane, it should take 2-3hrs to charge it up to 100%). So I charget it for 2-3 hrs ignoring that it said 100% already.
I discharget it from 100% to 1% in 1 hour and now again phone is stuck at 1% and it took me 2 more hours to discharge phone until battery died completely.
I don't believe that this behaviour will fix itself. How can I fix this problem so that battery percentage would be distributed evenly? Now it drops from 100% to 1% in 1hr and then from 1% to 0% in 2 hrs.

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