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Self Charging

Battery was 28% last night, the phone gained 3% overnight when It usually drains 2%, no usb connection as you can see in the graphic. What could cause this behavior? I’m just curious.
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NVMENOR said:
Battery was 28% last night, the phone gained 3% overnight when It usually drains 2%, no usb connection as you can see in the graphic. What could cause this behavior? I’m just curious.
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Perhaps its an issue with your battery controller. It was projecting a certain loss of battery but when it did not after waking from sleep it assumed it had charged and displayed a higher %?
That is completely conjecture based in no fact other than those made up by me, so please take it with a grain of salt. =)

i'll keep saying this, but nobody wants to look at the nexus s battery driver code. seems the phone is based off voltage tables, which fluctuate under load, and hence when you charge to 100% and unplug, it drops to 97%. because the voltage drop.
same could apply to this situation, very often you can see your voltage drop like that. especially if you left the phone idle all night after using it hard prior. voltage drops then increases.

Yes, I was using maps very hardly (at least in comparison to the rest of the day) and that’s the reason of the fast drop in the graphic, then the phone went sleep for almost 7 hours. I’ll take a look at what you’re saying about voltage tables. Very interesting info here.

NVMENOR said:
Yes, I was using maps very hardly (at least in comparison to the rest of the day) and that’s the reason of the fast drop in the graphic, then the phone went sleep for almost 7 hours. I’ll take a look at what you’re saying about voltage tables. Very interesting info here.
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Click to collapse
you were using maps right around the time of that drop? then yes that's the reason. i wasnt directing the "code review" to you lol, just more of a general thing that was discussed in the forum previously. sorry
but this would definitely show, in my opinion, why there is also the 100% to 97% drop when taking the phone off the charger. voltage drop always ocurrs here.

RogerPodacter said:
... i wasnt directing the "code review" to you lol, just more of a general thing that was discussed in the forum previously. sorry...
Click to expand...
Click to collapse
No reason to be sorry about, I didn’t take it that way; I just like to learn new stuff about how things work.

its the battery meter. you probably rebooted. the battery meter in android is known to be inaccurate. sometimes after a reboot it can gain or lose percentage. ive gained 25% before after rebooting! in reality, you didnt gain anything, its just the meter being off by a bit.

I just want to know how you get nearly 4 days of use out of a charge!
Don't you use your phone?

simms22 said:
its the battery meter. you probably rebooted. the battery meter in android is known to be inaccurate. sometimes after a reboot it can gain or lose percentage. ive gained 25% before after rebooting! in reality, you didnt gain anything, its just the meter being off by a bit.
Click to expand...
Click to collapse
I haven’t seen this after reboot, this happened after awake and it wasn’t sudden. Phone without signal in the graphic is the “airplane-mode” It wasn’t off. I know that battery didn’t gain any charge, of course, It’s just the weird behavior of android reading battery information.
knytphal said:
I just want to know how you get nearly 4 days of use out of a charge!
Don't you use your phone?
Click to expand...
Click to collapse
lol, yeah, It was a very quiet week.

it would be awesome if you could test this if you dont mind. turn your screen brightness to max, make sure your on 3g and not wifi, open google maps and scroll in one direction for about a minute or 2, check the battery percent and voltage. then turn off the screen, leave it sit for a few minutes, then see the percent and voltage readings.
maybe try a test a few times just for fun...you wanna place as much load on the phone as possible, so maybe even turn on the camera flash?

RogerPodacter said:
it would be awesome if you could test this if you dont mind. turn your screen brightness to max, make sure your on 3g and not wifi, open google maps and scroll in one direction for about a minute or 2, check the battery percent and voltage. then turn off the screen, leave it sit for a few minutes, then see the percent and voltage readings.
maybe try a test a few times just for fun...you wanna place as much load on the phone as possible, so maybe even turn on the camera flash?
Click to expand...
Click to collapse
does any body else has an easier way, or can recommend a market app to test the battery life by using full features?

Quick test here:
Beginning with 3728 mV, stress the phone a little and It drops to 3622 mV, then I let the phone sleep for couple of minutes and after wake it battery shows 3730 mV. It seems to show higher values than those that were present before sending the phone to sleep. What could be said about that?
I’ll do another test with full charge and more stress, but for the moment, my phone is charging, yeah…. Finally.

NVMENOR said:
Quick test here:
Beginning with 3728 mV, stress the phone a little and It drops to 3622 mV, then I let the phone sleep for couple of minutes and after wake it battery shows 3730 mV. It seems to show higher values than those that were present before sending the phone to sleep. What could be said about that?
I’ll do another test with full charge and more stress, but for the moment, my phone is charging, yeah…. Finally.
Click to expand...
Click to collapse
its too bad my app (my sig) doesnt work for the nexus s, because i just recently added real time voltage vs current graphing, taking 2 second readings, for these exact circunstances. its fun doing these types of tests on my n1. but the battery driver and model is too different in the nexus s to use the app...
n1 doesnt use voltage at all for percent readings, but my hunch from code was the nexus s does. that's why i was so curious. check out some screens though for fun. you can really do some interesting tests with such high sample rates.

Is the One X supposed to charge like this?

After switching back to ViperXL and ElementalX from AOSP ROMs, I noticed that the phone seemed to be charging kind of slow, so I went and actually jotted down some data on the charge rate.
Time, battery percentage, delta percentage, delta time (interval), percentage [points] per minute, delta ppm, fast charge, and power source. The orange dot denotes when I turned fastcharge on.
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Obviously, this isn't supposed to be definitive or even scientific, but I'm curious as to if other people's phones charge like this. The whole charging process took about 4 hours from ~15% to 100% (not completely documented).
The phone didn't seem to get any warmer than usual with FC on while ambient temps were ~60F/16C.

Protogon said:
After switching back to ViperXL and ElementalX from AOSP ROMs, I noticed that the phone seemed to be charging kind of slow, so I went and actually jotted down some data on the charge rate.
Time, battery percentage, delta percentage, delta time (interval), percentage [points] per minute, delta ppm, fast charge, and power source. The orange dot denotes when I turned fastcharge on.
Obviously, this isn't supposed to be definitive or even scientific, but I'm curious as to if other people's phones charge like this. The whole charging process took about 4 hours from ~15% to 100% (not completely documented).
The phone didn't seem to get any warmer than usual with FC on while ambient temps were ~60F/16C.
Click to expand...
Click to collapse
Was it power source or USB? Mine usually takes 90mins from 25‰. But then again, I normally charge it over night
Sent from my Carbon-ize Evita using xda-developers app

Herc08 said:
Was it power source or USB? Mine usually takes 90mins from 25‰. But then again, I normally charge it over night
Sent from my Carbon-ize Evita using xda-developers app
Click to expand...
Click to collapse
My power source was AC from the wall. It doesn't seem like Fast Charge from the wall makes any difference (it shouldn't have).
A 90min charge is much better than 4 hours... I feel like AOSP ROMs charge much quicker than Sense ROMs, but I don't have the data to back it up.

about 100mins for mine.charge to full

Protogon said:
My power source was AC from the wall. It doesn't seem like Fast Charge from the wall makes any difference (it shouldn't have).
A 90min charge is much better than 4 hours... I feel like AOSP ROMs charge much quicker than Sense ROMs, but I don't have the data to back it up.
Click to expand...
Click to collapse
trying to like my phone die to 10%, and then i will charge...it takes forever to drain for me...don't know if that is good or bad lol..been running music and making calls and keeping wifi on

I've kinda noted these issues too. The last 10% of charging takes forever on my phone, but going from 100% to 90% takes no time at all.
On the other hand, going from 60% to 0% takes forever, but charging 0% to 60% takes about a half hour.

Have you checked to see if you have an app draining battery really quickly? Usually Facebook or Google maps
Sent from my One X using xda premium

NerdyLlama said:
I've kinda noted these issues too. The last 10% of charging takes forever on my phone, but going from 100% to 90% takes no time at all.
On the other hand, going from 60% to 0% takes forever, but charging 0% to 60% takes about a half hour.
Click to expand...
Click to collapse
So true. My led is green,and I glance it (thinking it is a notification) and it is at 90 or 91. Never recall seeing a number after that. Next time I look its blank. Which means 100 (circle percentage)
Sent from my Carbon-ize Evita using xda-developers app

The_Zodiac said:
Have you checked to see if you have an app draining battery really quickly? Usually Facebook or Google maps
Sent from my One X using xda premium
Click to expand...
Click to collapse
Maps is Greenify'd and Facebook isn't too high up on the list of App usage. If it was an app draining battery, wouldn't I see sub-par battery performance when off the charger? I got 14 hours total with 3 hours of screen-on time yesterday.

Mine usually takes about three hours to get to 100% from low charge (~10-15%)
Sent from my One XL using XDA Premium

Not exatcly the correct spot but, will it do any harm to charge the One X with an iPAD charger?
I remember reading two things,
1. It might harm the battery in long term use.
2. It will not charge fast hence the One X's battery is capable of pulling 1A maximum. Not an electronics expert so apologies if this is a dumb thing to ask.

Protogon said:
Maps is Greenify'd and Facebook isn't too high up on the list of App usage. If it was an app draining battery, wouldn't I see sub-par battery performance when off the charger? I got 14 hours total with 3 hours of screen-on time yesterday.
Click to expand...
Click to collapse
I don't think the issue is that they are consistent battery drainers. The issue is that they occasionally go "rogue" and kill your battery in short order. I've had maps kill like 30 percent charge in a matter of an hour. As soon as you kill the instance, the app restarts and goes right back to its minimal usage. No idea what causes it. The entire thing is just random. I did report it to Google, though, so hopefully it will get resolved.
Sent from my HTC One X using xda app-developers app

thekillingroad said:
Not exatcly the correct spot but, will it do any harm to charge the One X with an iPAD charger?
I remember reading two things,
1. It might harm the battery in long term use.
2. It will not charge fast hence the One X's battery is capable of pulling 1A maximum. Not an electronics expert so apologies if this is a dumb thing to ask.
Click to expand...
Click to collapse
Doubt it'll cause damage. If the One X only pulls 1A, then it'll only pull 1A. It's not like you're forcing it to pull more.
Duckman5 said:
I don't think the issue is that they are consistent battery drainers. The issue is that they occasionally go "rogue" and kill your battery in short order. I've had maps kill like 30 percent charge in a matter of an hour. As soon as you kill the instance, the app restarts and goes right back to its minimal usage. No idea what causes it. The entire thing is just random. I did report it to Google, though, so hopefully it will get resolved.
Click to expand...
Click to collapse
Hmm, I'll have to keep a lookout for this. Thanks for bringing it up.

NerdyLlama said:
I've kinda noted these issues too. The last 10% of charging takes forever on my phone
Click to expand...
Click to collapse
This seems normal behavior for charging of Li ion batteries, based on the first graph here: http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries
Although the OP's issue sounds different, as the behavior seems to have started after flashing the new ROM.

Screen on time

It's amazing how much we actually use our phones in a given day, especially when we watch "videos"! Rate this thread to express how many hours of screen-on time you can get on the Samsung Galaxy S10e before depleting the battery.
Then, drop a comment if you have anything to add!

Exynos S10E, Nova launcher, bixby off, dark theme, stupid apps disabled/uninstalled, looking about 6-7 hours SOT!
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Playing movies and stuff will get a lot more out as well, screen is a battery sipper. CPU is a bit intense so turn on the "Medium power savings" option to down the cpu to 70%, you'll get SD845 performance which is still good, and a solid bit more battery too!

The new exynos might be faster than the S845 on paper but YouTube speed tests put them neck and neck on a good day.
https://youtu.be/yk2Nysa82ig
If performance needs to be lowered then the battery is too small.

crazyguns said:
Exynos S10E, Nova launcher, bixby off, dark theme, stupid apps disabled/uninstalled, looking about 6-7 hours SOT!
Playing movies and stuff will get a lot more out as well, screen is a battery sipper. CPU is a bit intense so turn on the "Medium power savings" option to down the cpu to 70%, you'll get SD845 performance which is still good, and a solid bit more battery too!
Click to expand...
Click to collapse
I have found a rare problem with the s10e display.While increasing brightness slowly i mean really slowly i can see display color changing from normal to slight purple this happens again and again while dragging to its max slowly and steadily.can be seen on white back ground at night (low light).is this normal let me know bro or anyone with the s10e thank you.?

Same thing I also noticed in S10E Indian unit.
Anger Of Wave said:
I have found a rare problem with the s10e display.While increasing brightness slowly i mean really slowly i can see display color changing from normal to slight purple this happens again and again while dragging to its max slowly and steadily.can be seen on white back ground at night (low light).is this normal let me know bro or anyone with the s10e thank you.
Click to expand...
Click to collapse
I noticed it after reading your post.
I don't know if its normal.

Mahendra Dhaker said:
I noticed it after reading your post.
I don't know if its normal.
Click to expand...
Click to collapse
Is it very slight? I'm trying to go slowly from lowest to highest brightness and can't see it, maybe a sliiiight purple but mostly white..It stays white.. I'm comparing to an iPhone and the screen is a bit different in color temperature but not extremely purple or anything.

crazyguns said:
Is it very slight? I'm trying to go slowly from lowest to highest brightness and can't see it, maybe a sliiiight purple but mostly white..It stays white.. I'm comparing to an iPhone and the screen is a bit different in color temperature but not extremely purple or anything.
Click to expand...
Click to collapse
Its very slight only and as soon as u let slider go, screen comes to normalcy.
Its like flickering effect. Happens for friction of second whike increasin brughtness slowly.

Very poor battery life
Samsung Galaxy S10E is javing very very poor battery life.
I got this device two days back. I charged it to 100% and started listening songs on Gaana.
Battery drained from 94% to 4% in 6 hours.
Gaan used 69% of battery in this time period. I diddo anything else other than listening to songs. I had LG G7 Thinq earlier. That phone used go drain max 30-40% durinf this period despite having lesser battery.
I am utterly disappointed with battery life.
Also, can anybody guide me on how to add screenshot here?

I have the SD version. My first full day of use (noting that it will take time to "settle") was pretty good! It was off the charger 3am-10pm. I plugged it back in when it hit 6%. Managed to reach 5H10M SOT, which wasn't bad - it also included 1.5 hours of gaming (Langrisser, which drains battery), Chrome, Reddit, Hangouts, etc.
Since then I have enabled Medium power savings mode and am hoping for slightly improved battery life and SOT as a result today. I already use dark theme and keep brightness around 30%. I also installed Naptime today which I hope will help further improve battery.

5 hours SOT at 15%-20%, but I have to turn on power saving when I'm at 30%-40%, battery life is not impressive it's just ok.
I feel standby time sucks a little bit, yesterday I was losing like 1% every 30 min with power saving on.
P.s.: I have one UI without any launcher and just time/temperature, notes and google calwndar widget in my home screen.
2nd p.s.: I have noticed that the s10e handles well with apps that are power consuming like Maps, Waze or Youtube.

Battery has been pretty good on my end.

You guys decide, bought the phone last week:
using Nova, bixby routine to control autosync and other components, animation x.5, night theme on ,goodlock real black notification panel with blur effect cancelled and disabled Facebook services.
P.S using exynos, s10e

Battery life is a joke on mine, maximum SOT I would get is 3 hours and my use is not even heavy, mostly on instagram and snapchat.
Night mode on
Nova
Goodlock
Bixby off
Google assistant hot word is off as well, I thought it has a hit on battery but it doesn't.
Battery usage is useless as well, it does not show what drains the battery, well it shows "Android system" as the second one after "Screen".

Thinking of getting the s10e exynos;can someone share battery usage while gaming or using navigation?

Pretty decent battery life considering the battery size. This is worth a mix of both LTE and Wifi. A typical working day.

s10e snapdragon (g9700), 20% left, 6h SoT and 24h with normal use (social networks, spotify, etc) over wifi and LTE, performance mode. Phone's still learning usage to improve battery life. It's first charge, hope to reach 7h SoT. Google app disabled btw
EDIT: added last screenshot, with 7h16min and 28h of use.

Brand new sm-g9700 s10e model.
Did a charge to 100%, and this is the result after 1st charge.
6hrs sot
39% battery left
Sensational. I'll try for 7 hrs.

Fantastic.
Made it 7hrs sot with 32% battery remaining.
Could crack 8hrs if I want to , but leave that for another time.

xlr8me said:
Fantastic.
Made it 7hrs sot with 32% battery remaining.
Could crack 8hrs if I want to , but leave that for another time.
Click to expand...
Click to collapse
wich settings you set to get this battery stats? did you set performance or saving mode?

zulykat said:
wich settings you set to get this battery stats? did you set performance or saving mode?
Click to expand...
Click to collapse
Everything default. (Feb software)
I have updated to the latest software update(March) yesterday.
Will post results soon, but early results suggest the processor is very fast, and battery consumption is a tad higher.
We will see.

Question Battery life since the last update

All was so good,
I was able to hold 2 days with my use (it was incredible, with my s10 I held 24h).
And, then, last update...
And now, in one night of sleep 25-30% of drain ??? Oo
What is that Samsung ? Are you aware like u destroy ur product with this... especially when you advertise about the terrific battery life of the s10 plus ?

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Before the update, after the update...
My phone doesnt hold 24h now...

Canard caché said:
All was so good,
I was able to hold 2 days with my use (it was incredible, with my s10 I held 24h).
And, then, last update...
And now, in one night of sleep 25-30% of drain ??? Oo
What is that Samsung ? Are you aware like u destroy ur product with this... especially when you advertise about the terrific battery life of the s10 plus ?
Click to expand...
Click to collapse
I had my S10+ that ever had bad battery life, my s21+ looks like is much better, having 25% of drain in standby means there is an app that is causing that, when you talk about your last update, you should explain which version of firmware do you have now.

My T-Mo USA S21+ gets really great battery life. No change with the latest (AUAG) USA firmware. My S10 got very good battery life (24 Hrs +) but the S21+ (so far) gives me 2 days with MANY hours of screen on time.
Here's a partial dump of a discharge to 10%:

I'm using the exynos variant. I bought the phone on 13th Feb. The battery life is really realty bad for a 4800mah device. I was getting a expecting a decent battery life. But I'm getting like 4.5hrs SOT for 10.5 hours usage which is like half of what snapdragon verison is giving. This sucks. Should have waited for op9pro. Made a huge mistake.!!

tvBilly said:
My T-Mo USA S21+ gets really great battery life. No change with the latest (AUAG) USA firmware. My S10 got very good battery life (24 Hrs +) but the S21+ (so far) gives me 2 days with MANY hours of screen on time.
Here's a partial dump of a discharge to 10%:
View attachment 5223381
Click to expand...
Click to collapse
Did you use it 60hz refresh rate ? This is insane battery life . I'm getting nowhere near this !!

I'm getting 2h SOT if I'm lucky, on AUB9.
Really wondering where those big differences between different users come from...

mohansethu said:
Did you use it 60hz refresh rate ? This is insane battery life . I'm getting nowhere near this !!
Click to expand...
Click to collapse
No, that is with Adaptive Motion Smoothness (120Hz) turned on.
I thought maybe my AOD was adding too much Screen On time, giving me a very misleading value, so in one of the tests I made i just played a few movies, and I still got hours and hours of battery life. I have no idea why there is such a variance.
Edit: So I thought of two things to mention. I run my screen brightness at about 35%. If you run yours much higher, that could effect your results significantly. If you use your phone outside a lot and it's set to automaticly adjust its brightness, that could set the screen brighness very high (for when you're outside). Also, I have bluetooth turned off.
2nd Edit: I ran another test last night and I'm surprised to report that there was no significant difference at full screen brightness versus my normal 35% brightness. I had Netflix playing for 3 hours at normal brightness followed by 3 hours at full brightness and the slope of the battery level curve is essentially the same. I'm at a lost to explain this as well as it's been my experience that screen brightness significantly affects power usage.
fwiw

My battery life seems okay but charging is very slow. I've never had so much trouble getting up to a full charge

tvBilly said:
No, that is with Adaptive Motion Smoothness (120Hz) turned on.
I thought maybe my AOD was adding too much Screen On time, giving me a very misleading value, so in one of the tests I made i just played a few movies, and I still got hours and hours of battery life. I have no idea why there is such a variance.
Edit: So I thought of two things to mention. I run my screen brightness at about 35%. If you run yours much higher, that could effect your results significantly. If you use your phone outside a lot and it's set to automaticly adjust its brightness, that could set the screen brighness very high (for when you're outside). Also, I have bluetooth turned off.
Click to expand...
Click to collapse
I use it outside about 2 hrs a day. That too usage. Only for changing the song. Nothing more . I use dual sim .listen to music atleast 1 hour a day via Bluetooth. Even then what you are getting is truly amazing.

mohansethu said:
I use it outside about 2 hrs a day. That too usage. Only for changing the song. Nothing more . I use dual sim .listen to music atleast 1 hour a day via Bluetooth. Even then what you are getting is truly amazing.
Click to expand...
Click to collapse
I did some tests the other night and much to my surprise turning up the screen from my usual 35% to full didn't make much of a difference.
I'm in the habit of using the "Close all" function in the recent apps screen almost all the time. Maybe that makes a difference?

I'm trying all the scenarios to reach that level of battery life but I go out for atleast 3 hrs a day. So I use my phone in mobile data as well. That also contribute. Yeah closing all applications all the time prevent unnecessary background process. That may actually help in apps like Twitter and Instagram.

Here is the latest I have managed . I removed one of the sim and used carefully . This is the best I have managed so far. But again, I use it outdoors with mobile internet for atleast an hour of screen time. 3 hours of outdoor usage . I'm still not sure if it's a good battery life but I will take it.

As a new S21+ owner I can say that I have had great battery life so far consistently getting 7.5-8 sot. This is with the latest march update.

mohansethu said:
Here is the latest I have managed . I removed one of the sim and used carefully . This is the best I have managed so far. But again, I use it outdoors with mobile internet for atleast an hour of screen time. 3 hours of outdoor usage . I'm still not sure if it's a good battery life but I will take it.
Click to expand...
Click to collapse
Watch some YouTube videos on battery optimizations

My battery has been good so far exynos.

mohansethu said:
I'm using the exynos variant. I bought the phone on 13th Feb. The battery life is really realty bad for a 4800mah device. I was getting a expecting a decent battery life. But I'm getting like 4.5hrs SOT for 10.5 hours usage which is like half of what snapdragon verison is giving. This sucks. Should have waited for op9pro. Made a huge mistake.!!View attachment 5223623
Click to expand...
Click to collapse
Hi. Looking at your screenshot, it seems you are using an Indian variant. I do not want to get into specifics, but Indian networks are far more congested compared to other countries. So the modem has to work 4 times as hard compared to say the US. Also, dual sims nearly halve the standby time. So the usage you have is fine and I wouldnt worry too much about it.

Have anyone tried disable auto optimize app daily and disable adaptive battery.
Some say it really improve the battery on the previous samsung gen. I'm going to try it. And report to all of you guys.
Just came up to xda to search about anything related to battery and didn't find the solution yet.
Sometime I got a good battery like about 6 hours sot. The other day it just to bad only around 4 hours. It seems auto optimize overreacting to apps and make it closed and open daily causing a worst battery live. And the adaptive battery just seems not good at all in some report.

My best so far today, 10h of SoT doing mostly multimedia stuff. Exynos, 4G, 60Hz, April update. No power saving mode.

riyosakura said:
Have anyone tried disable auto optimize app daily and disable adaptive battery.
Some say it really improve the battery on the previous samsung gen. I'm going to try it. And report to all of you guys.
Just came up to xda to search about anything related to battery and didn't find the solution yet.
Sometime I got a good battery like about 6 hours sot. The other day it just to bad only around 4 hours. It seems auto optimize overreacting to apps and make it closed and open daily causing a worst battery live. And the adaptive battery just seems not good at all in some report.
Click to expand...
Click to collapse
Im currently trying out power saving mode at 120hz . I will let you know if this works.

Question Watch 4 stand-by battery drain

Why don't the stats add up? What else is taking battery but not being shown here? And is the overnight battery drain normal? It's just put on the table, not worn at night.
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anil2705 said:
Why don't the stats add up? What else is taking battery but not being shown here? And is the overnight battery drain normal? It's just put on the table, not worn at night.
View attachment 5774379
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Click to collapse
It is normal for it to consume energy at night, if you do not use the phone at night a few percent will also escape
if your battery life is low, you can try to "optimise" it (there are various tools for this on the forum)
kind regards

yangton said:
It is normal for it to consume energy at night, if you do not use the phone at night a few percent will also escape
if your battery life is low, you can try to "optimise" it (there are various tools for this on the forum)
kind regards
Click to expand...
Click to collapse
At night... While sleeping... So phone is not used at all... And yet the watch drains battery.

I don't know the battery lasts about a day on watch 4
and you have to charge it more or less every day
regards

I charge my gw4c in late evening, wear it before I go to bed and by the next late evening I have abt 55%. I do charge it almost every day because I know it might not make it for two full days. Heart rate/stress/snore detection set to always and blood oxygen measuring during sleep to on.

thanito said:
I charge my gw4c in late evening, wear it before I go to bed and by the next late evening I have abt 55%. I do charge it almost every day because I know it might not make it for two full days. Heart rate/stress/snore detection set to always and blood oxygen measuring during sleep to on.
Click to expand...
Click to collapse
I too

I got GW5 Pro and I was also wondering why the battery usage doesn't add up. For some reason it doesn't show every apps battery consumption. I was able to find some apps that didn't show up on mine, but used some amount of battery. Usage still doesn't add up but gets closer.
On your phone open wear manager and go to watch settings and then apps. Now go through every app on that list one by one and check battery usage there.
For me Find My Mobile, Settings and Samsung text-to-speech engine shows 5% (I'm at 26% battery now) battery usage for every of those app, yet none of them are listen in apps shown at battery usage page.

anil2705 said:
At night... While sleeping... So phone is not used at all... And yet the watch drains battery.
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Click to collapse
That is normal. The watch is still "running" even if not on your wrist and with the screen off and idle. It is still connected to your phone and communicating some. The drain might not be a lot , but it will still use some power.

crxssi said:
That is normal. The watch is still "running" even if not on your wrist and with the screen off and idle. It is still connected to your phone and communicating some. The drain might not be a lot , but it will still use some power.
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Click to collapse
So 2% an hour idle drain is fine for this watch?

anil2705 said:
Więc 2% bezczynności na godzinę jest w porządku dla tego zegarka?
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yup

anil2705 said:
So 2% an hour idle drain is fine for this watch?
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Click to collapse
Not if it is off your wrist it isn't. My drain rate, off my wrist, with WiFi off (BT on), sitting a foot from my phone, is about 0.6% per hour.

crxssi said:
Not if it is off your wrist it isn't. My drain rate, off my wrist, with WiFi off (BT on), sitting a foot from my phone, is about 0.6% per hour.
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Click to collapse
How to even figure what's causing the drain since the battery stats don't even add up to 100? Also I noticed when placed on a dark surface, the battery drain is higher. When placed on a white surface, drain is on the lower side...

anil2705 said:
How to even figure what's causing the drain since the battery stats don't even add up to 100? Also I noticed when placed on a dark surface, the battery drain is higher. When placed on a white surface, drain is on the lower side...
Click to expand...
Click to collapse
It isn't easy.
For one, it is important to store the off-wrist watch on its side or up-side-down. That is what I do. Since I have AOD on, it is often necessary to keep the display off. But it also stops the watch from trying to measure heart-rate/etc. Store it near the phone, so the signal to the phone is strong and it doesn't have to expend as much energy (assuming it ramps up/down for transmission power). Reboot the watch once in a while (I do at least once a month; I have my Samsung phone set to reboot each Sun). I am not sure what other apps or systems installed will affect battery life. I don't have Samsung health thing running, since I don't care about it.
Battery stats never add up. Not on the watch or any Android device I have ever seen.
If you use and recharge the watch (or any modern device) very often, as it gets older, the battery indicator will become less and less accurate, overstating or understating drain/remaining life. At that point, a recalibration is helpful (drain it COMPLETELY until dead and shuts itself off, charge it fully. Might require a repeat).

crxssi said:
It isn't easy.
For one, it is important to store the off-wrist watch on its side or up-side-down. That is what I do. Since I have AOD on, it is often necessary to keep the display off. But it also stops the watch from trying to measure heart-rate/etc. Store it near the phone, so the signal to the phone is strong and it doesn't have to expend as much energy (assuming it ramps up/down for transmission power). Reboot the watch once in a while (I do at least once a month; I have my Samsung phone set to reboot each Sun). I am not sure what other apps or systems installed will affect battery life. I don't have Samsung health thing running, since I don't care about it.
Battery stats never add up. Not on the watch or any Android device I have ever seen.
If you use and recharge the watch (or any modern device) very often, as it gets older, the battery indicator will become less and less accurate, overstating or understating drain/remaining life. At that point, a recalibration is helpful (drain it COMPLETELY until dead and shuts itself off, charge it fully. Might require a repeat).
Click to expand...
Click to collapse
Well, it has bedtime mode on, so AOD isn't an issue I guess. It's relatively a new watch, been just a month or so.
Will try keeping the watch upside down and see nonetheless.

crxssi said:
It isn't easy.
For one, it is important to store the off-wrist watch on its side or up-side-down. That is what I do. Since I have AOD on, it is often necessary to keep the display off. But it also stops the watch from trying to measure heart-rate/etc. Store it near the phone, so the signal to the phone is strong and it doesn't have to expend as much energy (assuming it ramps up/down for transmission power). Reboot the watch once in a while (I do at least once a month; I have my Samsung phone set to reboot each Sun). I am not sure what other apps or systems installed will affect battery life. I don't have Samsung health thing running, since I don't care about it.
Battery stats never add up. Not on the watch or any Android device I have ever seen.
If you use and recharge the watch (or any modern device) very often, as it gets older, the battery indicator will become less and less accurate, overstating or understating drain/remaining life. At that point, a recalibration is helpful (drain it COMPLETELY until dead and shuts itself off, charge it fully. Might require a repeat).
Click to expand...
Click to collapse
Kept the watch upside down, still drains @2%/hour.