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Is this what everyone else is getting? I am running DCD's latest Rom and Radio.
I used to get two days, now i may get one. This is with no GPS running or any programs. Or making any calls.
Any advice?
Rephrase then.
How much battery life is everyone getting on the new Rom?
Are you sure your wi-fi switch is OFF?
quimbola said:
Is this what everyone else is getting? I am running DCD's latest Rom and Radio.
I used to get two days, now i may get one. This is with no GPS running or any programs. Or making any calls.
Any advice?
Click to expand...
Click to collapse
"These are some factors that could cause your battery to drain fast"
The brightness of the screen is a factor. Try lowering it if possible.
Disable active sync, bluetooth, wifi, and beam when not needed.
Using the GPS drains the battery quick. ( results vary )
Push email also assists with battery drain.
Put your phone on standby when not in use.
Also the extensive use of PIE and Windows Media Player also assists with the drain of battery.
Last if you have poor signal strength this can also be a factor for battery drainage.
There are others out there but these are some that I encountered and learned live with.
There is a battery hack out there that can help you with your battery life. I don't know from the top of my head but search for a registry battery hack.
[email protected]$ said:
"These are some factors that could cause your battery to drain fast"
The brightness of the screen is a factor. Try lowering it if possible.
Disable active sync, bluetooth, wifi, and beam when not needed.
Using the GPS drains the battery quick. ( results vary )
Push email also assists with battery drain.
Put your phone on standby when not in use.
Also the extensive use of PIE and Windows Media Player also assists with the drain of battery.
Last if you have poor signal strength this can also be a factor for battery drainage.
There are others out there but these are some that I encountered and learned live with.
There is a battery hack out there that can help you with your battery life. I don't know from the top of my head but search for a registry battery hack.
Click to expand...
Click to collapse
all those are try but when you first got your phone did you charge it all the way before using it cuz messes up the battery i know it did for me
Follow up.
On my original Rom I could get 48 hours on a charge.
Today I got 8 hours. I did not use GPS, I am not using vibrate for calls. I only got two calls. And two emails.
Basically I am using the same settings as I had on the original Rom and getting about 24 hours less battery life.
I guess I'll switch back and report then.
Perhaps this might be it?
http://forum.xda-developers.com/showthread.php?t=371734
jyan_osu said:
Perhaps this might be it?
http://forum.xda-developers.com/showthread.php?t=371734
Click to expand...
Click to collapse
DAMN.. that would explain alot.. I have a feeling its the same bug with the titans..
I dunno... I've been through the progression from 2.0.0 to 2.1.0 to 2.2.0 to 2.3.2 and I haven't seen anything like this.
I use the phone for about 10 minutes a day, so not much call time, but I have it checking 4 IMAP accounts every 15 minutes, do about an hour of web browsing, and use the GPS two to three times a day (basically any time I drive anywhere cuz it's fun!) and the most my battery has drained is down to 70% after about 16 hours.
Just to give an alternate view... battery life has been very good for me.
Dc_striker said:
all those are try but when you first got your phone did you charge it all the way before using it cuz messes up the battery i know it did for me
Click to expand...
Click to collapse
No. When I first got my phone I installed on the apps I researched before buying the phone, configured my WiFi, and imported my playlists from Windows Media and then I charged my phone with the AC adapter.
I use alot of WiFi through out the day along with Stereo Bluetooth Headphones to listen to music one Windows Media Player and I have a very good battery life.
Follow up.
My email server locked up this morning and my activesync wouldn't sync.
BUT my battery life was back to it's old self, used 6% in 4 hours. Very Happy!
Email server is now working and Active synce is syncing.
When I check the activesync program it always says connected now. Is that normal? It doesn't seem like it used to say connected all of the time.
It does look like activesynce may be the problem. The setting are the same as they were before the flash.
Any info would be appreciated.
Update: In case anybody is following this.
I went back to stock ROM and Radio.
Battery behavior is back to Normal. I am going to reflash to GPS Rom and see if that was the problem.
jyan_osu said:
Perhaps this might be it?
http://forum.xda-developers.com/showthread.php?t=371734
Click to expand...
Click to collapse
I an confirm this too. A few days ago I noticed excessive battery drain and reset my phone, and put it out of my mind. The only later ROM that I'd retained for days at a time has been 2.3.1 and today my battery level feel down by 50% in ~6 hours of standby. With the power on, with 46% remaining, the OS estimation for usage was 26 minutes. In 1% increments I could see it counting down....
I checked all running processes and nothing was out of the ordinary and nothing except that running task manager was bothering the CPU.
On a reset it appears fine.. Disconcerting. My phone didn't demonstrate this behaviour with the DCD 2.1 and previous ROMs. I don't know if to go back to 2.1 or 1.6.10. I'll see if this issue shows up again over the next few days.
That was the same problem I had.
Hopefully I'll dp some more testing this weekend.
After a reset the draining was repeating for me.. I decided to revert back to a working DCD 2.1 set-up and all appears fine again.
2.3.1 ROM was a kitchen build including the transcriber and no2chem's nueLED v1.5. That's all that I can think of being out of the ordinary.
I thought I am the only way with this problem. I thought it just a bad battery. Using DCD 2.31. Before 2.31, battery is about 90% on casual used when I left work. With 2.31, it becomes 95% after it pull from the power plug. Browser the web for like 10 minutes, it goes down to like 92%. By the time I finished work, and get back home around 7, it left with like 30%. That's on casual use.
Anyone tried reflashing to see if that helps the battery consumption?
It seems like this is not common, but effects a few of us.
quimbola said:
It seems like this is not common, but effects a few of us.
Click to expand...
Click to collapse
I am also noticing the same effects, i was thinking bout reflashing my rom, i am currently running dcd's 2.3.2
Flashed back to stock and then back to 2.3.2
It looks like I am seeing the same battery drain again!! ARGH!!!
My battery is dropping like crazy too since the latest kitchen. When I first went to DCD's first WM 6.1 ROM I was blown away by the battery life. Same settings , same apps, different ROM and the battery life blows.
I decided to wait it out for a week and see if the new ROM comes out, if not I'm going back to the WM6.1 ROM that I first tried.
Hey guys,
what rom have the best battery life?
any fav?
and
are there any tricks or tipps to improve the battery life?
Greetz
Jonas
I think its the firmware 1.5, sensehero / modaco!
arjuunz said:
I think its the firmware 1.5, sensehero / modaco!
Click to expand...
Click to collapse
Yes... none of the 2.1 ROMs currently provide long battery life times. I believe that one of the chefs said it was because of the kernel and that it won't be fixed until HTC releases or leaks an official Hero kernel for Android 2.1.
However it also depends on what you think would be a good/adequate battery life.
Personally I charge every night so as long as the phone lasts circa 24 hours it is fine with me.
All 1.5 based roms should give you battery life over 24 hours even with everything turned on.
as for tips:
-turn of wifi when not using it
-turn of mobile internet when not using it
-turn of gps
-always put phone in sleep mode (end button) when not using it
- screen time out turned low
- backlight on low
- kill tasks that run in background
- don't have a bright wallpaper
Just depends how extreme you want to go
I have a decent battery life on the rom I am on (see sig) and I use a brightish wallpaper and auto backlight but always turn wifi off when out of the house.
Flashing a new radio file can also help battery life.
Edit: with a bit of use I have lost 5% in the last 8 hours on my phone today
Mhm too bad i like to use 2.1
Does 2.1 Roms drain the battery so much more?
Battery life is very important for me...
I am running the original Rom and i had to charge my hero every night, too.
But one day is okay...
Thank you for your tipps (bright wallpapers *lol*, but it make sense^^)
So what are you fav. 1.5 roms?
Greetz
Jonas
P.s. Does HTC want to upgrade the hero to 2.1 ??? Would be awesome...any dates?
JonasBom said:
Mhm too bad i like to use 2.1
Does 2.1 Roms drain the battery so much more?
Battery life is very important for me...
I am running the original Rom and i had to charge my hero every night, too.
But one day is okay...
Thank you for your tipps (bright wallpapers *lol*, but it make sense^^)
So what are you fav. 1.5 roms?
Greetz
Jonas
P.s. Does HTC want to upgrade the hero to 2.1 ??? Would be awesome...any dates?
Click to expand...
Click to collapse
indication is yes they are updating to 2.1 however they have not released any official confirmation of when.
rumors are March and/or April, but don't hold your breath
SenseHero 1.6 is awesome 1.5 ROM
Also it uses a nice theme, and can last for more than a day
Lennyuk said:
indication is yes they are updating to 2.1 however they have not released any official confirmation of when.
rumors are March and/or April, but don't hold your breath
Click to expand...
Click to collapse
Latest rumour says end of April
To me BeHero has the best battery life of the 2.1 roms and Villain had the worst (the life would literally go from 100% to 50% in 4hrs and I barely touched the phone).
HomerSp said:
To me BeHero has the best battery life of the 2.1 roms and Villain had the worst (the life would literally go from 100% to 50% in 4hrs and I barely touched the phone).
Click to expand...
Click to collapse
See I am on Villain and have been on every version of it and never had battery life that bad, and VillainRom 3.4 is very good battery life.
Lennyuk said:
See I am on Villain and have been on every version of it and never had battery life that bad, and VillainRom 3.4 is very good battery life.
Click to expand...
Click to collapse
Yeah, must be something else, though I'm not sure what.
HomerSp said:
Yeah, must be something else, though I'm not sure what.
Click to expand...
Click to collapse
I put on 3.4 yesterday and ya my battery life was terrible. The only thing is that I hadn't ever updated my radio. Now instead of it being dead within 4-5 hours I've gone over a dozen and my battery is down to 45%, which is pretty good for me. I'm a pretty data intensive with my phone.
if you want to test the battery life, test it 2 days or more!, because the first day every rom(almost..) is draining fast, because then it needs to set up everything etc(idk excactly why)
incomer said:
if you want to test the battery life, test it 2 days or more!, because the first day every rom(almost..) is draining fast, because then it needs to set up everything etc(idk excactly why)
Click to expand...
Click to collapse
i agree...using 3.4...i feel the battery is not all that bad..(yes not as good as 1.5) but just about manageble..
if anyone has any more tips please let us know
Lennyuk said:
However it also depends on what you think would be a good/adequate battery life.
Personally I charge every night so as long as the phone lasts circa 24 hours it is fine with me.
All 1.5 based roms should give you battery life over 24 hours even with everything turned on.
as for tips:
-turn of wifi when not using it
-turn of mobile internet when not using it
-turn of gps
-always put phone in sleep mode (end button) when not using it
- screen time out turned low
- backlight on low
- kill tasks that run in background
- don't have a bright wallpaper
Just depends how extreme you want to go
I have a decent battery life on the rom I am on (see sig) and I use a brightish wallpaper and auto backlight but always turn wifi off when out of the house.
Flashing a new radio file can also help battery life.
Edit: with a bit of use I have lost 5% in the last 8 hours on my phone today
Click to expand...
Click to collapse
Wow I find it very hard to believe that you only lost 5% battery in the last 8 hours with little use...do you have mobile data on or off?
Even with no use at all I can never get 5% decrease in 8 hours, regardless of whether its a 1.5 or 2.1 ROM. I keep my mobile data on all day and night and with no use at all i lose like 20% battery life in 4 hours.
If you want 2.1 firmware with good battery life, go foe BeHero_v1.3.2, I am using it without any trouble!
aziz831 said:
Wow I find it very hard to believe that you only lost 5% battery in the last 8 hours with little use...do you have mobile data on or off?
Even with no use at all I can never get 5% decrease in 8 hours, regardless of whether its a 1.5 or 2.1 ROM. I keep my mobile data on all day and night and with no use at all i lose like 20% battery life in 4 hours.
Click to expand...
Click to collapse
Trust me I was not lying I have no reason too.
Will report on what it does today.
Yesterday I had mobile internet mainly off but turned it off at certain times of the day.
So far today (3 hours since fully charged)
-wifi for about an hour
-use wifi things during that time (seesmic and News Rob mainly)
- bluetooth for 45 mins (journey to work)
- mobile internet for about 40 mins
- downloaded an app and tested it (used barcode scanner to scan a barcode (twice) and go to the download link)
- synced emails
- sent a text
- mobile internet now off and back asleep
And a reboot as my connection was lost for some strange reason
lost 2%
Lennyuk said:
So far today (3 hours since fully charged)
-wifi for about an hour
-use wifi things during that time (seesmic and News Rob mainly)
- bluetooth for 45 mins (journey to work)
- mobile internet for about 40 mins
- downloaded an app and tested it
- synced emails
- sent a text
- mobile internet now off and back asleep
And a reboot as my connection was lost for some strange reason
lost 2%
Click to expand...
Click to collapse
i can only say that perhaps ur battery is a special one..
i cant even get half of that with 1.5 rom (with the same usage)..i will surely lost like 10% with that kinda usage on phone..
no offense..but..unbelievable...
my current setting :
GPS , WIFI & Bluetooth off..
brightness around 15%
dark wallpaper..
mobile internet on when browsing needed
@aziz831
Lennyuk´s battery consumption is real. My battery would last 216 hours just in idle. But that would mean just asleep and waiting for a call.
I use WiFi 18/7, I have in that time mobile data enabled, I have a brown wallpaper and my backlight is on lowest level (but I can still see everything). My average loss is 1-1,5 % a hour if I´m in idle with all this enabled. Over night I do disable WiFi and auto sync, that saves a lot of power.
My average time of usage with one load is about 80-96 hours.
Does the next update (2.1) somehow include a way to improve battery? I'm guessing no, wouldn't you need to replace the battery itself?
There may be battery performance improvements in the next update. My battery life is actually stellar. I set Timescape to update every 3 hrs and have brightness at about 75%. Off the charger at about 7am and at midnight that night I'm usually at around 40%. That's plenty good enough for me.
xperianewbie said:
Does the next update (2.1) somehow include a way to improve battery? I'm guessing no, wouldn't you need to replace the battery itself?
Click to expand...
Click to collapse
I dunno about the update and battery life but, Its 100% to 20% in 25-27 hours for me which i think is awesome as my usage is high.
Try setting the updates of your apps lower, check the Batt usage history from the settings menu to see what sucks the juice more.
If you want more battery life then you'll have to sacrifice some updates, which according to me ruins the entire purpose of having such a high-end smart Android device. Just use the phone the way you like it, have the charger with you always
Whatever phone you choose i think you are going to have this issue since batt usage depends solely upon the way you use your phone. In 2.1 live wallpapers suck more juice so you'll be advised to turn it off its either functionality or performance, the decision is yours
According to me any phone u buy will have same battery life or there is 70% Probability to have worst battery life. X10 has one the best battery life amongst all smartphones
Sent from my X10a using XDA App
sam_a200 said:
I dunno about the update and battery life but, Its 100% to 20% in 25-27 hours for me which i think is awesome as my usage is high.
Try setting the updates of your apps lower, check the Batt usage history from the settings menu to see what sucks the juice more.
If you want more battery life then you'll have to sacrifice some updates, which according to me ruins the entire purpose of having such a high-end smart Android device. Just use the phone the way you like it, have the charger with you always
Whatever phone you choose i think you are going to have this issue since batt usage depends solely upon the way you use your phone. In 2.1 live wallpapers suck more juice so you'll be advised to turn it off its either functionality or performance, the decision is yours
Click to expand...
Click to collapse
Hmm... could it be just me? My battery went from 100% to 53% from just staying locked over night (around 9 hours). I checked what's been eating it and it said "Cell Standby" and "Display". My brightness is on the lowest possible and Wi-Fi and Bluetooth is constantly off. I'll check that Timescape stuff and try to get the App Killer from the Market... (if my device even had a market!).
nah this device is ****ed up ...
sony homepage says that standby time is around 450 hours .... (more then 17 days!)
i dont have timescape on autoupdate - the only thing i do is gmail push and i get 1 and maybe 1/2 day(s) of standy time (depends if i make 1 call or not )
the update should increase it a lot i think
btw if some1 has a 2nd phone please try this:
charge it fully and then turn it off completely ... after 17 days turn it on ... my bet is it wont turn on coz the akku is totally empty...
I have no Wi-Fi at my hotel and I don't have a data plan. How on earth does it drain this much battery. I'm gonna go turn off every app and try another night just on standby.
Have a read of these...
X10 Power Usage
Battery life improvment thread
Battery Life Guide - Worth a read if you are having issues.
Jesus, what a difference a tweak makes. (Battery)
xperianewbie said:
Hmm... could it be just me? My battery went from 100% to 53% from just staying locked over night (around 9 hours).
Click to expand...
Click to collapse
Good question for you actually, how long have you had the phone? my first 4-5 charges were appauling but it quickly got better and now i could not be happier. more often than not getting 7am - 11pm the next day (whats that, 40 hours or so?) out of one charge, with plenty of go left.
Mine is running RB##26 firmware, rooted and a chunk of apps deleted though.
When i first got mine it was a bit poo, remember for the first 5 or so charges to let the battery go down pretty low and it will improve battery life.
Get runcpu and you're golden.
Sent from my X10a using XDA App
Sounds like you're running 014 firmware - I had the exact same problem until I updated to 020. The whole battery usage profile changed and one hour of standby only uses up 1-2%.
yeah, the 020 u/g makes a difference. I've rooted and overclocked mine, heavy usage on 3g can drain the battery in c12 hours but more than adequate for general usage
I'm a big user. Even with my G1, I was happy with a day's use. Anyone who thinks they're gonna get days of use without a charge is kidding themselves. A smart phone with a big screen us gonna suck juice regardless of what you do. As many an XDA user will tell you, keep your charger or at least the cable with you wherever you are. With FW026 it did help a little, but if you need life from your battery you really do need to sacrifice some of your widgets or updates.
MrZ
Today my battery have gone to 10% in about 10/11 hours, i'm using sip and wireless are active all day, even when it are on standby, installed some apps and played some games, some calls, its good enough, sometimes i get 2 days, depends on what you do, you can do some tricks...
On my HTC HD2 (O2) phone, my drains battery drains why too faster, i'm running the latest ROM v1.72.206.3 from O2, is there a way of boosting battery performance?
install a new radio rom. Which is best for you is dependant on your area but for me it's 2.12.50.02_2. I also use the energy 6.5.x series roms (not the best on battery but is very easy to use) in conjunction with the radio rom i just mentioned. On light usage my phone will last almost 3 days. With heavy usage (but not playing video) it will last about 2.
Geting rid of the stock software and going custom and newer was probably the best choice i made regarding my phone.
If you want to keep your radio and stock ROM (like me, 1.72 TMob) you can also try and space out the update of weather and email. l have automatic weather updates every 3 hours and emails every hour. You'll be amazed how long the battery lasts. On the other hand, if you are in an area with not very stable reception, your battery will drain quicker because the phone will be working very hard to try and find a stronger signal to keep you connected. So, battery trouble is not just down to stock ROM or even usage. We have a growing number of super-sophisticated smartphones (not just HD2's) using almost Jurassic networks
ramonguthrie said:
On my HTC HD2 (O2) phone, my drains battery drains why too faster, i'm running the latest ROM v1.72.206.3 from O2, is there a way of boosting battery performance?
Click to expand...
Click to collapse
turn the phone off. It will last for days that way!
ramonguthrie said:
On my HTC HD2 (O2) phone, my drains battery drains why too faster, i'm running the latest ROM v1.72.206.3 from O2, is there a way of boosting battery performance?
Click to expand...
Click to collapse
I use Dutty's latest rom and have to say it is great for battery life! =)
Heres the settings that I use to get 2 - 3 days per charge:
- No email account (I use opera to see my gmail account so I dont need my email updating every few hours draining battery)
- No weather animation (The clouds get annoying for me anyways so I'd rather not have this battery drainer)
- 30% display backlight brightness
- Wifi off
- Bluetooth off
- 2g edge connection on and 3g turned off unless I need to browse the internet
- HTC location services off
- Black background
EDIT: Heres the link to the ROM I am using http://forum.xda-developers.com/showthread.php?t=610634
Sooooo, looks like the only way to have good battery life is to switch off all the functionality that makes the HD2 better than a crummy 10yr old Nokia. Is there nothing else? Anyone know of higher capacity battery availability? Mine drains completely between 8am and 6pm with a couple of short calls, couple of minutes on the internet, location on (hourly updates) and push gmail.
Just found this - very helpful people and lots of ideas to sort out battery draining issues:
http://forum.xda-developers.com/showthread.php?t=718173
Hello guys,
My question is which ROM seem to be best for you in battery life? Im talking about my R3Pro(ido) device. I've been using xiaomi.eu's stables from beginning which has great 8h SOT, but now experiencing like 3h SOT with LineageOS 14 always updated with Xposed and all day data/WiFi on. Any ideas? Should I change back to MIUI?
Thanks
Odoslané z Redmi 3 pomocou Tapatalku
May be you should buy a new battery?
Graddy01 said:
Hello guys,
My question is which ROM seem to be best for you in battery life? Im talking about my R3Pro(ido) device. I've been using xiaomi.eu's stables from beginning which has great 8h SOT, but now experiencing like 3h SOT with LineageOS 14 always updated with Xposed and all day data/WiFi on. Any ideas? Should I change back to MIUI?
Thanks
Odoslané z Redmi 3 pomocou Tapatalku
Click to expand...
Click to collapse
U can try:RR,SudaMod,Lineage OS 15 Unofficial or PixelExperience 8.1.
The UNTEST-20171122 version of Resurrection Remix N has the best battery life for both screen on and off time, hands down. Was a lifesaver in a recent job where I listened to hours of podcasts per day to keep sane. Keep away from Oreo ROMs for the time being, theyre still largely broken apart from PixelExperience (which instead has the fun problem of ridiculously fast battery drain.)
picopi said:
The UNTEST-20171122 version of Resurrection Remix N has the best battery life for both screen on and off time, hands down. Was a lifesaver in a recent job where I listened to hours of podcasts per day to keep sane. Keep away from Oreo ROMs for the time being, theyre still largely broken apart from PixelExperience (which instead has the fun problem of ridiculously fast battery drain.)
Click to expand...
Click to collapse
I've installed this version you're talking about on my friend's phone and he cannot go over 3 hours of SOT, he must charge the phone before going to bed.. did you install some kernel too or anything else?
aittamattia said:
I've installed this version you're talking about on my friend's phone and he cannot go over 3 hours of SOT, he must charge the phone before going to bed.. did you install some kernel too or anything else?
Click to expand...
Click to collapse
No. The only things I flash on my device are the ROM, GApps and Magisk. The battery usage when the screen is off is the prizewinner here. It rarely goes down more than 2% after being left for more than 2 hours, which is ideal for me. Still though, I'm pretty sure I get more than 3 hours of screen on time. Learn to use some basic battery saving methods; turn the brightness to 50% or lower, turn off wifi or data when you're not using it...or better yet, learn to restrain your usage of it when out and about
When I go out, the phone is generally being used consistently all day via me using Bluetooth headphones along with some occasional use of 4G data. It usually never gets past the 40% mark by time I'm back home and I'm usually out for more than 5-6 hours per day. Honestly I'm not personally sure what the issue with having to charge it daily is...I've never had a phone which didn't require such a task, with the exception of things like the original Nokia 3310.
picopi said:
No. The only things I flash on my device are the ROM, GApps and Magisk. The battery usage when the screen is off is the prizewinner here. It rarely goes down more than 2% after being left for more than 2 hours, which is ideal for me. Still though, I'm pretty sure I get more than 3 hours of screen on time. Learn to use some basic battery saving methods; turn the brightness to 50% or lower, turn off wifi or data when you're not using it...or better yet, learn to restrain your usage of it when out and about
When I go out, the phone is generally being used consistently all day via me using Bluetooth headphones along with some occasional use of 4G data. It usually never gets past the 40% mark by time I'm back home and I'm usually out for more than 5-6 hours per day. Honestly I'm not personally sure what the issue with having to charge it daily is...I've never had a phone which didn't require such a task, with the exception of things like the original Nokia 3310.
Click to expand...
Click to collapse
I did the same on my friend's phone: Rom, gapps mini and Magisk. I can't tell you about his usage of the phone, but I've seen battery stats and it just can barely reach 3 hours of SOT, the usage is mostly of socials and music.. This rom here and latest LOS builds are just very battery draining, I don't know what to do with that phone! Anyway, thank you for the reply and the tips, I'll let him know!
What about MIUI? Maybe the EU version? Somedoby that tried that out can tell which will be the pros and the cons? Is it still on Lollipop?
aittamattia said:
I did the same on my friend's phone: Rom, gapps mini and Magisk. I can't tell you about his usage of the phone, but I've seen battery stats and it just can barely reach 3 hours of SOT, the usage is mostly of socials and music.. This rom here and latest LOS builds are just very battery draining, I don't know what to do with that phone! Anyway, thank you for the reply and the tips, I'll let him know!
What about MIUI? Maybe the EU version? Somedoby that tried that out can tell which will be the pros and the cons? Is it still on Lollipop?
Click to expand...
Click to collapse
Ahh, social media apps can very easily drain the battery from what I remember. The Facebook app is especially bad for it if I recall correctly. Perhaps grab a Wakelock detector app, see if anything is keeping the phone awake and then use Greenify to stop the apps from doing that.
With regards to MIUI, I seem to recall stock MIUI (from the official Xiaomi site) definitely having the best battery life out of every other rom I've used, with MIUI.eu not being as good but better than other custom roms. In terms of pros and cons, there isn't much. It works a little differently to regular Android so there's some bothering aspects to it (such as the Files/Documents app being disabled by default for some unexplained reason, meaning you have to re-enable it after every reboot.) And yes, It's still on Lollipop sadly, meaning apps like password managers etc can't use the fingerprint scanner.
Honestly I'd say wipe everything on the phone, clean flash RR-UNTEST and then slowly re-add all the apps and see if one in particular causes heavy battery drain.