Bad battery life? - OnePlus 2 Q&A, Help & Troubleshooting

My op2 is getting horrible battery life compared to others i've seen posted around the web. I get 2 hours or less of SoT which only lasts me half a day. I've seen people get 3 to 5 hours of SoT on their op2. I've tried both CM13, OxygenOS 2.1.4 and even custom kernels with battery profiles, but none seem to improve. Is my battery just bad?

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How is your battery after 1-2 years?

Hi all,
i own my OPO since january 2015 and started noticing that the battery doesn t last like it used to be. i now usually get 3 hours of screen-on and it seems that the battery even takes longer to charge. How is your opo battery doing after more than 1 year of service? i'm asking because i want to know if it's a software problem that drains the battery (latest cm13 nightly) or really the battery got degraded
almost one and a half year old and the battery is still good.
after 2yrs, my batter gone down from 10hrs to 5hrs
What karthics4 said!Need a replacement soon!
Sent from my A0001 using Tapatalk
if it got really degraded, change it.
Before replacing it, what should i check to be 100% sure that there is no battery drain on the software side?
With the right ROM and kernel I have much better battery life than two years before.
Oneplus One
I'm having less battery time than when it was new.
I have 3h SOT max currently.
Me 2. Currently looking for a good battery replacement...
After 2 years the battery is still extremely good.
Still lasting a day with ressurection remix and governor set to smartmax with lte,only wifi if i charge it to full it will consume only 35 to 40%.
I've had my OPO for over a year and battery life is excellent on Omnirom Nightlies (screenshots attached)
I get about 5 or less hrs SOT on CM13 Nightlies but with a custom kernel like Boeffla I can UC CPU and GPU and get about 6 hrs.
When I had my phone new on 4.4.4 KK I used to get 6 hrs SOT on COS with no tweaks whatsoever over 2 or more days.
Of course it will less, but I'm still getting 4-5 sot. I bought mine since the invite was sold like 40 dollars lol.
remmember that lithium batteries degrade when heated... and they get hot (40 C).
another thing to remmember is that android 4.4.4 that the OPO was delivered to us lasted more that MM and Lollipop...
after two years my battery is good, not bad not awesome like it new, but good.
I'm using ressurection remix with undervolt -130 MV
And I still can go to university and home with 50% battery.
The problem is you'll not find any ORIGINAL replacement battery for that phone. Its all label-faked batteries which will not last as long as a 2 years old original one...
I tried already some of them..
in GPS, choose the "DEVICE ONLY" mode and see that the battery will last more. CM bug...
Hardly any of the replies in this thread are useful. Most of you started out with KK and then went to LP and MM, which have much worse battery life than kitkat, so you don't know how much of the degradation is from battery wear. Flivercod's new AICP MM rom is the only one I have seen since kitkat that has a similar battery usage profile to kitkat - the screen uses at least 4 times more power than system, play services, OS, etc, so to me only someone who was running this rom could make a valid comparison to how their battery life was now vs how it was new. For me, I have dropped about an hour of SOT, from 6 to 5 due to battery wear, which is about what you would expect. Due to this, I would like to replace my battery.
It peeves me to no end, like Guido83 said,. that you cannot find an OEM battery for the OPO. They all appear to be counterfeit crap from reading the reviews. Oneplus does not answer emails asking how to purchase an OEM battery for the OPO. So, I guess you are SOL when your battery gets wonky or just old. With phones now being fast enough and good enough to be used for more than 2 years, except for the frigging battery, I am waiting until some manufacturer decides to make one with an easily replaceable battery (and that has good support on XDA) before I purchase another. Until then it's the OPO and my backup Note 4 (which I rarely use since it has awful GPS despite having a replaceable battery and SD card.)
15mths in and my battery life has improved dramatically just by switching to RR. If you're rooted then it's worth trying out another Rom.
Third time lucky for me. Oxygen was by far the worst for me. I couldnt even get to 4pm without a charge up. Since installing RR I'm finding battery life has more than doubled.
HTH
One.five year old with max Sot of 4 hrs

Does the Redmi Note 2 battery have programmed obsolescence?

I've seen multiple reports from spanish forums of people telling how the battery lasts 2 hours SOT at best since August, me included. I have tried reflashing and wiping everything but nothing works, people seems to have the same issues.
From MTK Engineer mode I get an average of 600-700mA power draw from battery, which is normal at least for me, but battery is lasting much lower. It doesn't feel like a gradual battery degradation, but my phone went from getting 3.5-4h of SoT to 2h at best in just 1 month
So, has anybody experienced the same issue?
Ketcchup said:
I've seen multiple reports from spanish forums of people telling how the battery lasts 2 hours SOT at best since August, me included. I have tried reflashing and wiping everything but nothing works, people seems to have the same issues.
From MTK Engineer mode I get an average of 600-700mA power draw from battery, which is normal at least for me, but battery is lasting much lower. It doesn't feel like a gradual battery degradation, but my phone went from getting 3.5-4h of SoT to 2h at best in just 1 month
So, has anybody experienced the same issue?
Click to expand...
Click to collapse
I can confirm your feeling, I'm experiencing a performance degradation too. I've passed from 4-4,5h of SoT to 2h in the last two months, I think I'll change the battery soon.

Thinking about rooting

I have always rooted my phones but so far I haven't rooted my S7 Edge yet. However, the battery life sucks but after reading some comments on here it seems that people who root are getting no better or worse battery life. I was just looking for some feedback from people that have rooted to see what the majority response is. I've been contemplating doing this now for several days.
Thanks.
I've been contemplating about trying root again too, and that's after being on the U firmware. I'm now suffering battery life by only getting 2 hours of SOT by 50%, unlike at the beginning I could get up to 3 hours by 50%.
When I was on root though, that's how bad I suffered, only getting 2 hours of SOT by 50%. My Xperia Z3v is abandoned on support, but could still achieve better battery life being only on Lollipop. C'mon Samsung...
steelersmb said:
I have always rooted my phones but so far I haven't rooted my S7 Edge yet. However, the battery life sucks but after reading some comments on here it seems that people who root are getting no better or worse battery life. I was just looking for some feedback from people that have rooted to see what the majority response is. I've been contemplating doing this now for several days.
Thanks.
Click to expand...
Click to collapse
When i rooted my battery life dropped from 2 days to under a day before dying.
I am barely even getting that. I am at 59% right now with 37 minutes SOT and off the battery for 8 hours and 26 minutes. When I check app usage, the only thing that is high is the Android System at 39% and the Kernel at 10.7%. I can't figure out what kills my battery. I am on WiFi most of the time while at work or at home. BT is off as well.
On root you are using the engineering bootloader so the battery life is bad. You are better off using stock U. It runs smooth and battery life is not bad, plus you can get OTA updates.
U is a great FW so far. Battery life for me, with about 4 hours of SOT got me to about 50% at 530pm and I was off the charger at 7am.

Share Battery life and performance

Guys please post you battery life and brenchmerks on nougut and marshmallow so that we can decide which one is better. Some people experiencing poor battery life in nougut. Share screenshot of battery stat and gsm battery monitor and other battery monitoring app. And sorry for bad english.
My rom is stock nougut. Cell standby 2 percent. Phone idle 3 percent. Screen 14 percent.
Screenshot is bellow.
No screenshot on my side but for me the Nougat update has revived the phone: much better battery life (+1h SOT I would say), run cooler, less stutters, smooth scrolling in chrome, fast wifi connection and all the nougat advantages. I haven't seen bugs apart from the system UI tuner that resets itself.
I am running 100% stock, took the OTA when it was offered to me and made a factory reset.
DekkerP6 said:
No screenshot on my side but for me the Nougat update has revived the phone: much better battery life (+1h SOT I would say), run cooler, less stutters, smooth scrolling in chrome, fast wifi connection and all the nougat advantages. I haven't seen bugs apart from the system UI tuner that resets itself.
I am running 100% stock, took the OTA when it was offered to me and made a factory reset.
Click to expand...
Click to collapse
Can you tell SOT time. And percentage of screen,phone idle,and cell signal usage?
yk1999 said:
Can you tell SOT time. And percentage of screen,phone idle,and cell signal usage?
Click to expand...
Click to collapse
I'll try to remember next week, I switch back to my S7 for the weekend.
Getting almost 4 hours of SOT on my 8 months old device.
My device is 14 months old and I use dual sim cards, mostly I'm on WiFi.
I get 1.5-3 hours of SOT generally. I generally have to charge my phone 3 times a day.
Stock nougat
Only using WiFi
Mostly browsing and videos on YouTube.
Getting 4 to 4.5 hours of sot.
I manage to have 5 hours SoT with android stock funcionalitys only. I am doing test but i maybe i will create a teadh latter to explain how to get more SoT.
NahuelMS said:
I manage to have 5 hours SoT with android stock funcionalitys only. I am doing test but i maybe i will create a teadh latter to explain how to get more SoT.
Click to expand...
Click to collapse
I have 2hr SOT. VERY POOR. NEED TO CHARGE 3 TIMES A DAY
Here are my screenshots. I was mostly on WiFi during the day, did a lot of reading/browsing, a little YouTube, and gamed for around 30 minutes. Before I would have needed to recharge mid-afternoon and was getting 2:30/3h max SOT a day.
I'm extremely pleased with the update.
After doing a heavy tweaking of the phone without root i managed to get more than 5 hour of SoT. After that i was getting an unaceptable 3hs SoT.
NahuelMS said:
After doing a heavy tweaking of the phone without root i managed to get more than 5 hour of SoT. After that i was getting an unaceptable 3hs SoT.
Click to expand...
Click to collapse
May I ask what heavy tweaking you did? Just some general important things
Spencervb256 said:
May I ask what heavy tweaking you did? Just some general important things
Click to expand...
Click to collapse
Probably tonigth i will post a full guide with all the things i did. It is nothing magical, just disabling things, etc.
I used this to get better battery life:
https://forum.xda-developers.com/mo...ide-improve-battery-life-performance-t3647155
Getting about 15-20 minutes of additional SOT after nougat update

Heating and Battery Drain Problem

I know one plus 2 has aged very well but I always have soft side to 1+2. Now since I Switch backed to 1+2. I Experience battery drain ( Max SOT 2.3-3Hours) and gets heated like hell. Will Replacement of battery will do any good? Just tweaking kernel is only option? What's the average SOT you guys get?
2.3-3h SOT is not that bad, a new battery will give you one more hour maybe. The heating problem is normal on op2, it's because of the snapdragon 810.
I personally get 3-4 hours of SOT depending on what apps I'm using.
You may try another rom for more battery, also bluebolt kernel is giving good battery life.

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