This android app was mentioned in
with an average of
I like how the two alternative phones you list are polar opposites in terms of price-range.
>I'm starting to think that I got a broken product.
So you bought the phone in February, this was 7 months ago. You should have discovered more quickly whether or not the device was botched.
>I use my phone to work and this phone just isn't reliable. From 11am to 14pm I'm down to 15%
If you were using your phone continuously (Screen ON with high brightness ON), then these stats aren't unheard of. It seems like people average 3-4h SOT with the LG G3. If you hardly used the phone and the screen was off for nearly the entirety of the 3 hours then I would start looking at whether you have any abusive apps. If apps aren't the problem, then another area to be looked at is battery health. Take GSam for a spin to maybe determine if this is the source of your poor battery life (and consider getting a fresh battery).
>Issues: - freeze on chrome - freeze on Maps - freeze out if nowhere - painfuly hot
I can't say I've dealt with freezing on my LG G3. The only instances where I experience freezing\lag is when activating the Dual Window pane.
As for heat issues. This phone seems to get as hot as my old Galaxy S3 or my girlfriend's Moto X. Not sure what to tell you on fixing that :\
If you can afford to buy a new phone - I say do it. The new iPhone 6S looks very nice. Everybody's hoping it at least has 2GB of RAM this time around though. Storage upgrades are pricey, but again -- if you can afford it then definitely do it. The new Nexuses\Nexii look promising and I doubt you'll get a laggy experience on the Nexus.
Probably poor cell signal or interference. Your phone is beaming at max power trying to communicate with cell towers.
Run Gsam Battery Monitor which will show a graph of battery life with a phone signal graph with it. That will show you for sure.
They are apps:
GSam Battery Monitor on the Play Store
Wakelock Detector (Non-root version) on the Play Store
You should use GSam Battery Monitor to better report your usage. That's because it leaves out things like what Play Service is actively doing that could cause your issue.
I've had a ton of issues with my battery on my Droid Turbo 2. I would definitely recommend checking out GSam Battery Monitor ([link]). If you have the technical know-how, I would also highly recommend enabling enhanced stats ([link]).
I found that when I disabled location history for Google services that my battery jumped from MAYBE 5-6 hours all the way up to 48 hours depending on idle use vs. active use with screen on. Not kidding that it was that dramatic.
Hope this helps.
No clue, sorry, but that seems super sketchy. Maybe look through your apps for anything you don't recognize? I'd try restarting, and if it continues, maybe try installing something like GSam Battery Monitor to see if you can identify it
after a few minute of usage:
Even without root this app will give much more in-depth information than the battery section of settings. Also it has virtually no impact on battery life.
Just download it and let it run. By tomorrow when your battery is low again it should have enough data to tell you what the culprit is.
The screen not being on top does not surprise me unless you use your phone a lot. It seems like they've managed to make an exceptionally energy efficient display!
You can use apps like GSam to see in details what's causing your drain:
i use this app Gsam Battery
which shows you various statistics about your battery life and temperature. It drains nearly nothing from the battery (0.1%). Try it for some days and check if it was an one time thing or it regularly overheat.
So Gsam says that my battery never went hotter than 32° while charging.
Checked my trusty sources (xda, at&t, and of course reddit) and couldn't figure out what exactly this update was for but just wanted to remind everyone in case it is a performance update of some sort, you might want to clear app cache and system cache after updating to potentially get the most out of whatever particular issue that may or may not exist this update may or may not have been made to possibly address:
Clear the app cache: Settings > General > Storage > Internal Storage > Cached Data > Delete
Afterwards, clear the system cache:
Hold down Home + Power + Volume Up to boot into recovery.
Use Volume to select Wipe Cache Partition and press Power to confirm.
Once the system cache is wiped reboot the device.
If you are still having issues, refer to the RAM manager to see what might be slowing down the device (or murdering battery): Tap Settings > Apps > Application Manager > Options (3 dots) > Memory
Can't hurt to use a second app, such as gsam, to monitor app usage as well and look for discrepenancies.
First of all, are you rooted? If so, you might want to look at your kernel governor settings.
Barring that, check for wakelocks. Try using GSam to check for screwy stuff.
The stock battery app is useless for telling you what's draining your battery. I don't even bother opening it any longer.
Download GSam and let it run for a day or two, making sure to enable the extra battery stats via ADB (it explains how to do this step by step in the app), and it will tell you, at least MORE accurately, what is killing the battery.
Get the GSam Battery Monitor App, charge your phone up, restart the phone, and then watch what it reports after an hour or so. It should show what is causing the drain.
Install GSam battery monitor and see which app(s) is taking up your battery.
Also, if your standby time is bad, follow these instructions to see what app is waking up your phone a lot. For me, Instagram was very high on the list. So I used Greenify to hibernate it. If you don't want to use Greenify, just go into settings > apps and force quit Instagram. That's all Greenify does. It's just easier to push a button with Greenify and dig through settings to force quit Instagram. After I hibernated Instagram, my standby time improved dramatically.
Also, if you have Facebook, FB Messenger, or Snapchat installed, uninstall it for a day and see if that makes a difference. A lot of people complain about battery drainage from those apps, especially facebook.
Couple of things.. First... Clean Master has pretty much turned into a spammy app. Might be best to get rid of it.
Secondly, DON"T kills running apps for the sake of killing running apps. Android manages this itself and, unlike Windows, the goal is to use as much RAM as possible before performance dips. You will see apps start after you kill them, but they sit idle and don't actually do anything. The way Android works, when an app is killed, Android will load another app to take its place, or reload the same one. It tries to guess what you use often, loads them in RAM, so when you go to them, they're already ready for you to use.
Thirdly, heat + battery drain is a sign of a misbehaving app. What is likely happening is an app you have installed or updated won't let the phone go to sleep, and in fact is possibly running overtime itself. When an app doesn't let the phone go to sleep, it's called a Wakelock. Pre-Android 4.4, apps could detect wakelocks without root. But now root is required since KitKat released. Apps like Wakelock detector could tell you what app is causing the problem. If you're not rooted, you can try GSam Battery Monitor to track your apps' affect on the battery, but I'm not sure how much it'll help without root. Other thing you can do is keep an eye on Phone Settings -> Battery to spot what app(s) is/are using the most battery. It would be best to get rid of the app causing the problem. OR use Greenify to keep the app closed until you need it.
Sorry, I don't know much about these stuff. My best idea is to install GSam Battery, and see if anything unusual consumes your battery.
My battery has been driving me crazy for months, so this is what I've done. It's gotten me to about 2.5 hours of SOT, ending the day with about 5-10% battery.
If this works for you, consider paying for the full versions of GSAM or Greenify. It's a few bucks and they're worth it.
Third party apps. I use GSam Battery Monitor. It has a very detailed, zoomable graph, tells you your hourly discharge, how much battery is drained when the screen is on vs. screen is off, with some fiddling can tell you exactly which processed are draining how much battery... I highly recommend it!
Wiping the cache could still be helpful, despite already reinstalling. You should def do that.
If you haven't already, maybe try downloading another battery monitor, such as gsam and see if the reports coincide.
Nope, that's never shown up on my battery stats. I'd watch it over the next couple days to make sure it's not a fluke. Do you have GSAM installed? While not perfect, that app will give you a more detailed run down
Hey man, I know exactly what you mean. I've been able to improve mine significantly in a few ways:
1) I listen to podcasts at 2x speed, and I found out that this absolutely DESTROYS battery, since the CPU is going crazy.
2) I suggest you download the GSAM application and then go through these steps to unlock additional features. This will allow you to explore what is causing battery drain.
3) Using the above GSAM app, you can look at what apps are "waking up" your device from deep sleep. I was able to discover that two applications were constantly waking up my device. One was the "Podcast Addict" application that I think was constantly updating its ads and would not stay in sleep mode. The second was some worthless bloatware application called "AT&T App Select" that was sending hundreds of wake signals to my phone. I switched podcast apps and disabled the later app. Now my phone sleeps for a majority of the time i'm not using it.
4) This might sound dumb, but to get good screen on times, you have to...use your screen! What I mean is that I was complaining before of having low screen times, but thats because I didn't have much time to use it, but it would still last a long time. I've been more recently using it for flashcards and things to study, and have gotten SOTs of 8 hours now.
I think using the GSAM app has been the most helpful thing I've done so far, and I hope this all helps you.
Does require the root companion app to read some of the battery stats in more recent versions of Android however.
An app might be wakelocking your device or running heavy processes in the background, use something like this to figure out which one
There's a few out there, but Droid-Life used GSam Battery monitor.
Excited to hear your results!
Do you charge it in sunlight, or while you are using it so it gets super hot? I've ballooned a few batteries on phones over the years doing this, and I use GSAM so I get a warning if my device overheats. Saves my current phone routinely when I'm charging, running GPS and streaming music as I drive and forget I should turn on the AC in my car to keep it cool.
Wouldn't mind seeing your averages with GSAM Battery monitor. Gives a much better real world use perspective of battery life. Here's my average. Gotta use it for a week or so before the results are accurate though.
sounds like you might have 1 big culprit (unoptimized app, or app your phone is having a hard time monitoring sleep/unsleep for), maybe use Gsam to try identify it (been recommended around here)
Hmm. I see a lot of location services and knox/system updates. Can't really tell outside of that. But judging by the numbers, it wasn't even awake or using the GPS for that long...like I suggested to the OP, install GSAM, which will give you a breakdown of your phone's usage and help you pinpoint the issue.
GSam Battery Monitor might be worth a look. I have the paid version, and it has all those features, I can't remember if the free version does or not.
GSam is a battery monitor with a pretty good rep, installed it a few days ago but then the LG system update reset it completely so now I'm waiting for the data to refill.
Install a good battery monitor app, like GSAM. It'll provide you with a breakdown of who did what to whom, and when.
~~The possibility exists that the battery is old and/or crappy.~~ I carry a deep-cycle marine battery around with me at all times to mitigate this problem. Made myself a cunnin' belt holster for it and everything. Now my back hurts.
> Some Korean car navigation (aka GPS in the US) apps
Those Korean GPS apps are notorious users of power.
It is hard to tell what is really going on looking at the built-in battery tracker. While stock Android gives us a few more tools (such as inidications of wifi and cell transmitter usage) this is hidden in the Samsung version.
Try downloading a more robust battery tracking app like GSAM (very popular around here) and see if it does a better job pointing out the source of your problem.
It doesn't help specifically with your problem, but on my s4 I have an app (GSam battery monitor) that shows me the charging amount when i plug the phone in, so I can easily test cord/block combos for a faster charge, and to tell which of them are hooped.
you could also get a battery charger for the battery itself, although thats a bit of a pain in the ass. [link]
Your phone will display a notification if it is getting too hot.
In case you want to measure your phone's temperature more accurately, we would recommend you to download an app on Play Store. You can install one of those two apps below to know the temperature of your phone when it charges.
If the temperature is at or below the recommended 48-49 degrees Celsius, there is no cause for concern.
Those apps are not really useful tbh. Usually a gimmick. Have you noticed that the drain has started when you installed any recent apps? Most likely, since I too had an LG, it is just Lg's bloatware always running in the background or some app always waking it up. Unfortunately, you need root to remove them. You can try this app: Gsam battery monitor. I don't believe you need root access for it. Idk how good it will be. If you want better standby time, you can disable auto-sync, turn of location services, and even disable data when going to sleep. If you are rooted, greenify is a great app.
Install gsam battery monitor. And connect your phone to a computer to give it permissions without needing root.
Let it observe your phone.
In regards to the battery percentage, I set mine to hover around 65%. I know this is all controversial but battery university says 3.93V/cell is the optimal charge. I downloaded GSAM battery monitor and figured out that around 65% is the optimal percentage for this. I have my charger charge from 63%-65%.
/u/becauseimoldenough mentioned a good way in the system menus to determine this, but I have also found the below app to be easy to use, has useful widgets, and contains more information than just use time since being unplugged. Technically, neither shows uptime since it was last unplugged, but I think they are both what you are looking for.
GSam Battery Monitor
It has a lot of other features but the default information displayed shows you the information since last unplugged (including battery time used since last unplugged).
Try using GSam Battery Monitor ([link]) to see what is draining your phone most. It's probably just one app staying open longer than it needs to. Also, if you're rooted, Greenify is an amazing app-killer that has helped me save my battery quite a lot.
<40% screen on light usage isn't great
Mind installing gsam battery monitor? link - you can get important info about wakelocks and so on
It's possible. You could try using GSAM to track your usage if you're really concerned. I use it and it's pretty helpful. No root required. This thread shows how to track more data without root privileges as well. Hope this information helps!
All you can try is a cache partition wipe, and then a full system reset. If those don't fix then a new ROM.
Before doing any oif that, I'd suggest using gsam, and possibly Wakelock detector while phone is connected to computer via adb, just to confirm there's no app causing this, the battery settings screen in android is great, but can be inaccurate sometimes.
Try using GSam Battery Monitor
It seems that AccuBattery dropped KitKat support, moving there API to a minimum of 5.0+, which is unfortunate :(
GSam Battery Monitor has a battery health indicated from the last time I remember using it and that will do just the same. Hopefully with this information we can find a solution to your problems!
GSam Battery Monitor is usually pretty good at identifying battery drain problems or at least point you to the process that's likely to be causing it.
You can also try GSAM battery monitor.
There must be some settings to Not show the app in notification bar. If you don't find anything, Alternatively you can turn off notifications for the app itself.
hey, could you do me a favour? considering getting that but worried about the battery temps when fast wireless charging because that doesn't have a fan like the Samsung OEM one..
can you install gsam battery monitor ([link]) and open it before putting the phone to charge, and then let the phone charge on the wireless charger for 20+mins (if you don't mind)? after that can you send a screenshot of the graph you get when tapping on the bottom left-most icon in the app, which shows the battery% against temperature?
Use GSam Battery Monitor: [link]
After installing the app, use your phone for about 1 hour without charging. After that, use the app to see which apps drain the most battery.
Perhaps turn on "data saver" or a similar option which prevents background services from accessing the Internet. This is more trial and error, since some stupid apps may end up trying repeatedly until it gets data. Also, you may not want to disallow everything because some services rely on background data to function properly.
When was the last time you rebooted the phone? If you go to Settings --> Apps --> swipe left to the "Running" tab, what are the three RAM amounts shown (System, Apps, and Free)? Are you rooted? If so, install GSam Battery Monitor and the Root Companion app. Open the Root Companion app, tap the install button, reboot your phone, and GSam will start to track app usage, temps, etc. If this temperature issue happens again there will be much more data to go off of to try to pin down what could be causing it.
After you root your phone (it's not that hard, follow some of the guides in this subreddit) install Gsam Battery app and the root companion app. Then you can figure out what pesky app is causing all the wakelocks. Uninstall those apps (except for system apps) and reinstall it, this usually fixes the problem. Sometimes apps just have glitches and you will need to uninstall the app (or find a older version of the .apk install file online that is stable) until there is a google play update for the app. Sometimes emailing the developer and informing them of the issue can help speed up the updating process as well.
Yes, you have more than one app to check your battery health.
OG Pixel here (non XL). It's holding up great!
I've got a DS as well. Lasts for about 1,5 days before I have to charge it.
Check your battery usage with [link] or something similar.
Have you had look at GSam Battery Monitor ([link])
Though to pinpoint what apps are eating your battery you either need root or go though a complicated process (which does not require root). Instruction are in the app.
The biggest suggestions are to factory reset after you upgrade to 5.0 (dalvik vs art is a big change, and can be very disruptive to some apps). Some people have had to reset twice. Yes, it sucks. Turn off wi-fi's "always scanning" feature. Maybe nuke google fit. Maybe try gsam battery monitor to see if it's one of your apps not taking the update well.
Start removing apps one by one and checking results. GSam battery monitor is a valuable tool to help with this.
Factory reboot, as mentioned, might help.
Batteries wear out, though. There are only so many charge cycles a battery can withstand until it's dead. I don't know if there's a 3rd party battery replacement service for the S7, but it'd likely be cheaper than buying a new phone.
None that I'm aware of when I had to do this to my N5 about 3months ago, however my needs were more pressing as my phone had suddenly become unreliable in that 5minutes off of mains power would be dead so I didn't do a lot of checking. All the ones I did look at on the play store seemed less that honest and reviews didn't help allay that concern.
Looking online this was asked on one of the Android central forums a few weeks ago and they suggest this;
You might, if you have not already, download the GSam Battery Monitor
That way you can put a number on the warmth of the phone. My G6 will warm up sometimes when the GPS is running but it's nothing compared to my old Moto X which would get freaking hot!
Really, I don't think "warm" is anything much to worry about.
Yeah, that's the problem - first you have to figure out what's causing the drain. As I said, my battery time was a lot like yours when I first got the phone, but improved with time as things got "settled" in - both a full charge cycle of the battery having occurred, a firmware update coming and so on... But until it settled down, I was like a hawk looking at apps that might be preventing the phone from sleeping. For me it was often the Opera browser - if left with an open tab and not quit, it would just keep the phone awake all the time. Killing it when that happened made the wakelock go away, and now I just remember to either close all open tabs, or swipe it away from the multitasking view when not using it.
Apps like Gsam Battery Monitor can be a good aid in the process. And I do think, like someone suggested, that it may be a good idea trying a day or two without Android wear - it really seems to cause these issues a lot, even on Nexus devices.
EDIT: Yeah, you phone is basically never asleep - look at those awake times!
Give GSam Battery Monitor a try. It has a better breakdown of what uses battery. (I haven't tried it on my 6P, but I used to use it on my LG G2). Maybe it will help you locate your issue.
Can you post a screenshot of your battery usage? Be sure to include one where you've clicked the battery chart, it will give more info on your cell signal, awake time, etc.
Also you could try an app like GSam Battery Monitor and try to figure out what's causing it: [link]
I owned an M8 prior to my current device (S7) and I had very good battery life. I was rooted and had greenify installed with almost every app greenified. As most ppl suggest in battery life threads, install GSAM and see if you have any rogue apps. IIRC, Google plus, Facebook and maps all needed to be either greenified, uninstalled or replaced by a 3rd party app (for instance getting rid of the official Facebook app in favor of Swipe for Facebook
Many 3rd part apps will show up as Android System, because of the way they tie into the OS.
In the Battery stats settings, under Android System, you'll see a list of the apps that this includes.
There are apps that will break this down a but further. From memory, apps such as:
or possibly GSam Battery Stats: [link]
Personally, I find doing a full factory reset does a world of good every few months. Just do a full backup first using Android or Samsung's own backup. Better yet, don't restore appdata for everything, just things like Whatsapp where you need to. Bringing over "bad data" could reproduce the issue again.
or another way would be to uninstall apps you dont need or can go without. Try removing a few and see if this makes a difference.
I used to think the same until I installed and looked at GSam – FB was waking the device a lot (majority of which were for location requests) and preventing deep sleep and doze.
Just to see how much of a difference it would make, I uninstalled it and it ran for 2.5 days before needing to be charged again (20% battery remaining would have lasted probably until the next afternoon but I charge it up to 100% and unplug before sleeping).
I think your Android OS battery usage is the problem. On my phone it's way below the screen's usage.
I've looked online and this might be a great forum post to check out. Especially the "better battery stats" is a great for analysing your usage more precisely. This is a free alternative. Could you try that for a day or so and report back?
Ok... well then let's do it:
1) Get Gsam battery monitor and give some permissions via ADB (if you can)
2) deactivate high accuracy gps and switch to "GPS only" - at least on my G4 there were some strange gps wakelocks
3) charge your phone overnight and use it normally but please no heavy gaming. If you're complaining that your phone runs dry within 2.5 hours because of gaming it's completly normal
4) Then come back and post the main screen from GSam and the two app sucker lists: " %energy consumed" and "held active" (don't know the exact translation because I'm from Germany)
If you have questions - just ask <3
I'd say that you almost certainly have something continuously trying to sync with Verizon but can't. The easiest route would be to download an app like GSAM and see if the offending program makes itself easily noticed. I'd think it most likely will. If not, you'll need a computer and something like Wakelock Detector Lite. It's more involved and can tell you for instance which processes that fall under the ambiguous "Google Play Services" for instance.
Most likely BBVE won't be updated anymore considering BlackBerry isn't responsible for the hardware.
If all you're looking for is the battery graphs, try GSam Battery Monitor.
Check temps using GSAM Battery Monitor. Mine sometimes gets a little warm in my pocket (mid-high 80's F, from my leg, I think), but cools to low 70's quickly. I've never had the Note 8 go above 95F, no matter what apps I'm running, whereas my old phone (BlackBerry Priv) would regularly hit 112F when under stress (common issue on those devices, but still, I've never heard of a Priv having a battery explosion/melting/expanding issue). Most people I've seen online (anecdotal of course, though I agree with them) say that the Note 8 runs pretty cool overall.
If it's staying warm out of your pocket, say on your desk, you may have a stray app/wakelock. You can identify problematic wakelocks without rooting using Wakelock Detector Lite.
Ah okay, I use my device with 1080P resolution, auto brightness, and adaptive display. (I used to use cinema mode but I wanted that ipad/iphone x/old galaxies feel so I'm using adaptive display now)
I have adb on my computer, I use it to re-add the mobile data toggle to my phone whenever there's an update (stupid Canadian variant doesn't have the toggle for whatever reason...)
I'll download GSAM tomorrow, is this the app?
Hmm... I guess my weird battery life recently might be due to the fact that I keep clearing the cache out of habit XD
Also, has the november/october security patch on either your s8 or s7 made your phone better in terms of performance and battery life? My phone is still on the August patch so I'm wondering if that might have something to do with it...
I don't get it... Has this random google play services battery drain been a recent bug in the software? Or has it always been like this? I saw a lot of those types of posts recently so maybe they'll patch it. I don't see it appearing in my battery usage so I'm not sure how much battery it actually drains. Apparently someone you mentioned made a guide on how to target the google play services drain but looking at the article just makes my head hurt, not gonna bother dealing with that lol.
Not too sure, try a reboot
But I think root might be needed, sorry cant really remember, maybe you need to install as system app too
Maybe try this one
Also dont forget about alarms, that's what wakes up you phone up, when your phone is awake other apps can wakelock
So stopping alarms stops wakelocks as well
I have found GSam Battery Monitor has helped me disable of greenfiy the approriote apps sucking up my battery in the background. Having root will help utilize these apps to their full potential.
All I really care about is if the M9 battery is worst than the M8.
Can you please install GSam Battery Monitor and give me/us a specific update after a week or so about the battery life of the device.
That looks like super good battery life to me. The phone is only draining power when you have the screen on, otherwise, there's almost no drain. If you're playing Draw Free a lot, that involves the screen being on and transferring a lot of data, so I could see that doing it. I'm not sure why Phone is at the top of the list, maybe Draw Free or whatever other apps you're using while the screen is on uses a process that's bundled under Phone. But again, that's a super nice battery graph, very few wakelocks.
Edit: Your other option is download an app like GSAM Battery Monitor, let it run for a few days, then if this happens again, check the detailed info in there. It'll be a lot more specific than the built-in battery menu.
Had similar problems with my Z3c. Turned out it was the phone radio that was causing the problem. No easy fix for that.
Try using an app like Gsam. It should be able to help you identify what is eating up your battery and you can then search online for possible solutions.
You might just be lucky. Mine was intolerable after two years.
Do you mind installing Gsam battery monitor? I'm curious for some actual stats.
It's entirely possible, sure. It's a bit far fetched though. I was just trying to illustrate that there could be any number of causes, here. The best option that you have is to run a battery monitor for maybe up to a week to help you discern what the issue is. If Bluetooth is taking up a high percentage of battery that it's definitely something close to my example (you'd most likely be unable to discern what the real issue is, though).
So give that a run, even if it was for a day or two, and get back with the results and we'll see what we can find out.
try the GSAM battery app too, it gives a different breakdown as to what's draining your battery it can tell if its the wifi vs app vs screen vs active phone vs cell standy and such. May help you nail down what's draining the battery.
One thing that seem to have help "SOME" people under mobile network/network mode, select LTE/CDMA instead of Auto
try installing gsam battery monitor [link]
to see if you can get more details on which apps are killing your phone. Another possibility that I can think of is you have extremely bad signal around where you keep your phone at night. So your phone is trying constantly talk to the cell tower. Try leaving it overnight with airplane mode on, see if that helps.
I use this one called GSAM Battery Monitor. Swipe downwards to refresh the stats. If you get about -200 to -300mA it's decent, anything over -600mA you're getting good charging rate.
I always use this app when I buy new USB cables, or to test old ones. The high quality cables will give u -700mA to -900mA figures. At the same time I also keep a dodgy cable that only charge at about -200mA that i use when I charge my phone overnight.
I have a similar situation going with mine. Using GSam Battery Monitor helped me to deduce two things that tend to drain battery life.
First is Android's location services, if it's left on it'll likely drain my battery faster than anything else. I have it turned off now unless I need to use my GPS for something like maps. This alone has given me hours of battery time back.
The other thing I've noticed is some correlation between poor signal and battery drain. I don't know what the deal with that is, but thanks to GSam's graphs it's something I regularly notice.
For the record I'm on stock 5.0.2, never rooted.
Do you buy your cable in shops or over the internet? If it's the former you can actually use an app to see how much power is going through the cable. download this one called Gsam Battery Monitor. Bring a power bank with you to the shop, then ask if u could test the cables first. charge your phone with the cable and open the app. You should see a reading like -600mA. Swipe down to refresh the display. if you're getting from -100mA to -300mA, it's not a very good cable. A good one will give you about -600mA to -800mA. The ones you say charges very slowly? Those are likely -100mA range.
Different quality power banks will likely give u different results as well, so make sure you have a decent one.
I personally didn't use it but I saw this app recommended many times to do some diagnostics of the battery : GSam Battery Monitor
It's supposed to pin point what exactly consumes battery (apps that may prevent the phone to go into sleep, etc.)
Get a better battery monitoring app to search for the culprit. This is awesome: GSam Battery Monitor
Android OS (kernel) responds for your hardware as well, which means that if some app is using some sensor, like GPS, accelerometer, etc.. instead of being listed under that app, it will be listed as Android OS.
You have a whole lot of mails, might be that they are not synced individually but randomly (not all syncing at same time)
You might want to try gsam. It will show you which app is using up the battery.
You may want to have a look at this as well
Get this app: [link]
It works better with root but will still do the job fine without. It often gives you more battery usage detail than settings can. Let it monitor for 30 minutes and post results of which app is taking up the most battery.
Just a more detailed battery monitor. It'll tell you how long your phone was held awake, how long it dozed, what apps are using the most battery, etc.
I suggest installing GSAM battery monitor [link] for my detailed stats on battery drain.
Cell signal can be a huge drain. Who is your service provider? Do you have wifi at work?
Get GSAM from the play store. That app should list any rogue apps. If and when that is determined, you can either uninstall, disable or greenify the offending apps
I don't know if this is a common issue. My battery is extremely good. My old iphone 4s would be down to 65% by noon. My Z3c is at 85-90% most days!
Since you are getting such terrible results, you (most likely) have an app (or more) that are not performing properly and are causing all the drain.
You could try using an app like Gsam to figure out which app is causing the battery drain. Uninstalling and reinstalling is quite likely to fix the drain! If not, then perhaps you can choose an alternative app for the same functionality (if that's possible).
Best of luck!
I've heard going awol on disabling everything can actually create lag or poor battery life, but you seemed to be safe 9n what you deleted.
I don't use the system monitor. Gsam gives me more accurate readings, and complete app usage percentages. Report back.
There a couple... one that is used a lot is betterbatterstat (BBS), ~~but there seems to be some tinkering needed with ADB for non-rooted devices and not sure if this is possible on V20 given the lock downs.~~ the latest version doesn't require root and instead it asks for some permissions...
another option is gsam and looks like it gives similar info as BBS. No root or ADB required.
Compare both and see which might work out for you... think it would be better to disable greenify while the bat stats apps are collecting data so you can accurately pinpoint the culprit.
Edit - correction of root needed for V20, it's not required since the last update. provided link to xda
I know many of us here would know it already but just for the record: GSam Battery Monitor - it's pretty great.
I love the charts that display rates of change, etc.