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I have the nexus 9 since December and I absolutely love it . It's an amazing piece of technology . Recently I started to notice that the battery was draining too fast , barely 4 hours of screen time. When in the beginning it was 5:30 hours. For example, when I left the tablet an all afternoon without touching it, it would only spend 1% which is pretty good, now is 3% which is a big difference. Overall it's just spending battery way too fast . I don't have those battery sucking apps and I only play for about 20 min or less. I have everything stock and non- rooted.
Anyone else experiencing this?
I can't say for certain that I'm experiencing the same thing. Perhaps it's because I keep my brightness pretty low all the time (I'm used it like that) and I'm definitely getting over 4 1/2 to 5 hours on mix usage. I pretty much use my tablet as a web-browser-note-taking-google-plus-using-facebook machine. How much available RAM do you typically have on idle (minus the settings app)? I typically have over 1GB of free RAM.
(also to note: my nexus 9 is stock and non-root like yours)
Hi Everyone,
I'm just wondering if I have an issue or not. I've already went through one G5 which was severely overheating and was giving me less than 2 hours of screen on time within the first week. I'm on my second G5 now and have had it a little over a week, but the screen on time seems to be dropping drastically. When I first got it, I have a SOT of 5+ hours. Then it got progressively worse until yesterday it barely made it to 3 hours and today it was under 3 hours. I'm a fairly heavy user, but it seems like I can literally watch the battery percentage tick by when I have the screen on. In fact, it seems like it's markedly worse when the battery is under 50%. For example, today at 50% I had a SOT of about 2 hours 15 minutes, and then for the last 50% it was like 45 minutes TOPS before it was drained. My standby time is absolutely amazing, with it losing less that 1% in five hours.
I just don't know what to do. I have 5 more days before I can exchange it no questions asked. I just see some people with 7+ hours SOT and it seems like mine is heading in the opposite direction.
Cheers,
Bloody
3-4hrs of SOT is average/normal
3 hours of SOT is on par, or very slightly subpar, with other users. Some, like me, get a bit more, but just because i do not use Facebook, or games. You should consider which apps you are using, if there's something always on and in "Sync" it's gonna eat up the battery a bit more. If you game a lot, same. That said, this is not a huge battery, but it should be big enough to get to bed. Can i suggest maybe (i know its obvious...but!) cleaning up the recent apps, taking more care in switching on and off the wifi...this kind of things could get you 30+min more in a day which could be enough to get trough the night.
To answer your question, you probably have not a defective unit. If this SOT time is not even close to what you need, the brightness of the screen poses a big problem for you, and you don't care as much for the awesome camera compartment, or the swappable battery, and you dont hate touchwiz, and you can return it no question asked, the s7edge has better battery time, and higher brightness and saturation.
I average 3 hr SOT. It's normal. Total 13.75 hours on average with 5.5 hrs active.
With the brightness about 30%, I could have about 4 to 5 hours browsing web with wifi...
12 hours of SOT is now a memory of a far away past.
I used to score 4-6 hours of SOT in heavy usage, and even 8-12 watching movies, messaging and web browsing.
But now I can barely reach the 4 hours mark, it usually stays between 2 hours (just gaming) and 4:30 (Netflix, web...)
Sometimes I don't really mind getting just a few hours of SOT, but it is really sad looking at the past and remembering that plenty of juice I could squeeze out of this device.
Did also your device got this battery capacity decay? If yes, did a battery replacement actually did something (are the batteries available on sites like AliExpress good enough)?.
Is it really a battery problem or is it a crappy Oreo battery management thing?
PS: I've been using this device for about 1 year and a half.
n4rcus said:
12 hours of SOT is now a memory of a far away past.
I used to score 4-6 hours of SOT in heavy usage, and even 8-12 watching movies, messaging and web browsing.
But now I can barely reach the 4 hours mark, it usually stays between 2 hours (just gaming) and 4:30 (Netflix, web...)
Sometimes I don't really mind getting just a few hours of SOT, but it is really sad looking at the past and remembering that plenty of juice I could squeeze out of this device.
Did also your device got this battery capacity decay? If yes, did a battery replacement actually did something (are the batteries available on sites like AliExpress good enough)?.
Is it really a battery problem or is it a crappy Oreo battery management thing?
PS: I've been using this device for about 1 year and a half.
Click to expand...
Click to collapse
Visiting the Mi Service centre will be more easy and comfortable....they can give you original battery with replacement warranty of 6 months so....that will be more genuine
It I problem of Battery as it's been used for around 1.5 Year....only those who have newly bought Kenzo like around 6-7 months can say what Oreo battery management is like....it's good or bad....you can try switching ROMs....you will see that you get a extra 30-40 mins of battery n nothing more....which means it's the decay of battery but on the ROM problem...in
I've been experimenting on Oreo and while Doze mode works really well (1% loss by night) I feel that overall battery management is awful, especially when browsing YouTube for instance where I also get 4h SOT max.
I also got my RN3 about 2y ago and battery decay is important due to my heavy usage, with Accu battery I can say that I have no lost about 1/4 battery (3200mah MAX...) But that alone can't explain the SOT loss.
Too bad there isn't any service center in my country I could use a new battery at least for the 1h more that it could give me.
IchRocke said:
I've been experimenting on Oreo and while Doze mode works really well (1% loss by night) I feel that overall battery management is awful, especially when browsing YouTube for instance where I also get 4h SOT max.
I also got my RN3 about 2y ago and battery decay is important due to my heavy usage, with Accu battery I can say that I have no lost about 1/4 battery (3200mah MAX...) But that alone can't explain the SOT loss.
Too bad there isn't any service center in my country I could use a new battery at least for the 1h more that it could give me.
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I also checked my estimated battery capacity, and it says 3100mAh (I don't think this is very accurate).
Xiaomi doesn't officially sell phones in my country anymore (they've only sold the Redmi 2).
n4rcus said:
I also checked my estimated battery capacity, and it says 3100mAh (I don't think this is very accurate).
Xiaomi doesn't officially sell phones in my country anymore (they've only sold the Redmi 2).
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It's definitely not the most accurate way to check, but based on several charges (more than 20%) I've never seen 4000mah
It's looks like battery degradation. The only way to really check it's swapping batteries. Did you use the stock charger?
Tatoh said:
It's looks like battery degradation. The only way to really check it's swapping batteries. Did you use the stock charger?
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yep, using the stock charger since i bought it.
So i regularly use AccuBattery app in my android device. It's a very useful one.
So i installed this on my new Poco X2. Those who've used it know that it can estimate your current battery capacity based on charge sessions and some other stuff.
And upon using it showed my Poco X2's estimated battery at around only 3800mah.
And a lot of users also are complaining about battery backup on flipkart.
Please check and post your device's estimated battery capacity via AccuBattery app.
Unfortunately, what Flipkart reviews say is actually right, this phone has serious SOT problems with 120 hz i only get 6.5 hours sot and 8 hours with 60hz and I don't even use it heavily just YouTube and small games with social media. This phone has very poor optimization. I know i shouldn't compare but if you look at realme 6 pro almost same specs but with smaller battery (4300) gives 1 hour more SOT even with heavy usage(both set to 60hz). This is absolutely disappointing, eagerly waiting for custom roms and custom kernels to make it as my daily driver. Will update you on the accubattery results
LEGACY710 said:
Unfortunately, what Flipkart reviews say is actually right, this phone has serious SOT problems with 120 hz i only get 6.5 hours sot and 8 hours with 60hz and I don't even use it heavily just YouTube and small games with social media. This phone has very poor optimization. I know i shouldn't compare but if you look at realme 6 pro almost same specs but with smaller battery (4300) gives 1 hour more SOT even with heavy usage(both set to 60hz). This is absolutely disappointing, eagerly waiting for custom roms and custom kernels to make it as my daily driver. Will update you on the accubattery results
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Thankyou, waiting for it.
Bafore this I was using standard China Rom with mine and battery was a mess. But I unlocked & flash MIUI.eu. I add-on "naptime" to help with Doze & using Universal GMS Doze magisk module. Managed to get almost 8hrs SOT with ads removed, bloatware removed & MSA removed. Maybe you should give it a try and see ?
Same
Battery is fine for me
Don't know how people here getting more than 3.8k mah estimated. Mine doesn't go above that. I'm pretty sure some units have battery problem as reported by few buyers on Flipkart. Some said battery is excellent while some said poor battery. I think poco x2 indian units are suffering more. Since after watching some tests on the redmi k30 Chinese variant by YouTubers they got significanly more SOT. I tweeted to them, no reply from their side yet ?
I got my K30 directly from China. No battery issues whatsoever.
I've been getting consistent SOT of 9.5 hrs on average with heavy use. SOT range for me has been 7 hrs (120Hz) - 11 hrs (60 Hz) on 4G LTE (you can check my post on SOT thread).
Being a heavy user, this battery life has literally blown me away and I absolutely love this phone simply for that. I can easily get thru a very heavy day with 30-40% battery left. I've been charging the phone twice every three days on average.
I'm on stock CN ROM (MIUI 11.0.13 Stable)
I easily get 8 hours + SOT with gaming. I play cod and pubg extensively.
Battery life update after using a month .
Mild gaming and social media usage.
Average sot is around 10hrs , battery lasts 30-50hrs depending on camera usage.
Unable to upload screen shot showing bad request.
Is AccuBattery reliably on first cycles? If many users have 3800 mah insted of 4500mah then something stinks here
My poco X2 shows 4398mah
I am on stock Indian rom miui 11.0.10
I did some quick research across the web and it looks like there are three types of d
1. Battery Drain issue devices, they have bad battery issues, battery capacity way below 4500 and widely varying with users. Screen off discharge is way off charts, like >5%/hr. SoTs varying around 5hrs or <5hrs
2. Inefficient battery devices. (Majority) They have battery capacity much below the specification, however less varying, always around 3800mAh. Battery doesn't drain that badly
I have this device, heavy usage like pubg clocks around 15-20%/hr, normal usage around 10%hr and screen off discharge rate at 0.5-0.9%/hr. Hardly discharges 2-3 percent through the night
3. Ok devices. These are the best sets. Battery capacity constantly goes above 4000mAh (still doesn't hit the required 4500 mark tho). No serious battery drain issues. (I don't know much about these devices because they don't look into the web coz they have no issues.
My specs:
Average battery usage
Screen on
12.9%/h
811% in 63h 3m
Combined use
6.3%/h
870% in 138h 32m
Screen off
0.8%/h
59% in 75h 28m
Based on
43 sessions
in the last 7 days
Full battery time estimates
Screen on
7h 46m
Screen off
127h 55m
Combined use
15h 55m
Usually i get around 9hrs 30 min sot on 60hz and around 8hrs on 120hz...( Without gaming ) after the update of miui 11.0.11 my phones battery backup gradually increased 1 hr on 120hz...+ I did some tweaks blocking system apps from running in the background
After using the phone for 8 months, I noticed that charging speeds have significantly reduced. At the beginning, the battery went from 0-100% in ~70-75 mins if I remember correctly (cross checked this with another review website).
But when I properly checked today (after a long time), it took 118 mins (2 hrs!) for the battery to go from 2-100%. I also plan to check this with the screen/phone off again.
The battery life is still great though, maybe slightly reduced compared to the beginning.
Su_Tweetz said:
After using the phone for 8 months, I noticed that charging speeds have significantly reduced. At the beginning, the battery went from 0-100% in ~70-75 mins if I remember correctly (cross checked this with another review website).
But when I properly checked today (after a long time), it took 118 mins (2 hrs!) for the battery to go from 2-100%. I also plan to check this with the screen/phone off again.
The battery life is still great though, maybe slightly reduced compared to the beginning.
Click to expand...
Click to collapse
Maybe you charging cable could be the cause of this
Sent from my Redmi K30 using Tapatalk
geoorg said:
Maybe you charging cable could be the cause of this
Click to expand...
Click to collapse
Original charger used and the cable is in perfect condition.
Re-tested today with the phone switched off and it went from 4-100% in 70 mins! So all is good. Planning to test tomorrow again with the phone switched on.
Battery life is still stellar. 8.5 hrs of SOT for 26 hrs of usage on 120Hz; 70% WiFi and 30% LTE.
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 OnePlus 8 Pro before depleting the battery.
Then, drop a comment if you have anything to add!
Light to medium usage. Mostly browsing on wifi. 120hz fhd, 1st full charge.
Can't upload the screenshot, but I got 3.5h SOT with 12h off charger and 53% left.
Very satisfied, coming from s10+ exynos, which would already be below 40% with this kind of usage.
4h15 with 120hz qhd quite heavy usage alot of gaming installing apps. And Twitter
Do you guys are running last update? Someone said with new update battery lasts longer
Yep, updated in the meantime to 10.5.4 and it seems that battery lasts even longer. I thought it maybe the second full charge, but it might be effect of the update as well.
Right now at 72%, FHD 120Hz, with 2:35 screentime, 10h off charger. I would say 9h SOT should be attainable.
Hi, here are my stats. Keep in mind I'm always on QHD+ 120Hz with 50-80% brightness and Wi-Fi enabled.
1st charge (16/04): 5h40 (Heavy usage, even got overheating alert during transfer with OnePlus Switch)
2nd charge (17/04): 7h20 (on fw 10.5.4, which seems to improve the battery), with 5 hours of "Darkness Rises" and 2+ hours of YouTube
3rd charge (18/04): 7h10, 4+ hours of YouTube, ~2 hours of social apps.
Never got that much with my 7 Pro or my 6T.
Overall not too impressed. Seems a lot lower than many of you guys are getting. This is the second day of use. Day one was a similar story. Ended the day at 30% with less than 4 hours SOT. QHD+, 120hz, medium-high brightness, almost all on 5G, latest 10.5.4 update. My 6T with a custom kernel would get twice as much SOT and end the day at about 25-30%. I get I'm asking a lot more of the battery here, but it should be better no?
Not bad so far ,from 100 to 48% was all.on 4G,then from 48 to 23 mainly WiFi,screen set 120 Hz QHD
CosMiiK said:
Overall not too impressed. Seems a lot lower than many of you guys are getting. This is the second day of use. Day one was a similar story. Ended the day at 30% with less than 4 hours SOT. QHD+, 120hz, medium-high brightness, almost all on 5G, latest 10.5.4 update. My 6T with a custom kernel would get twice as much SOT and end the day at about 25-30%. I get I'm asking a lot more of the battery here, but it should be better no?
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I'm also having 6T..
Don't expect this battery life .. you'll never get the battery from 6T..
Don't forget that 6T is 60hz, FHD, 4G,
OP8pro 120hz, QHD, 5G( 5g is Battery eater) ...
Have to admit that battery life is disappointing me..
I've got 8h with 120hz + qhd in auto, wifi . Games + normal usage.
Had one full charge... currently sitting at 25% battery remaining, 24 hours since last full charge (forgot to switch the socket on last night!), 3hrs 43mins screen time. Regular usage, mainly business, social media and a bit of gaming.
cultofluna said:
I'm also having 6T..
Don't expect this battery life .. you'll never get the battery from 6T..
Don't forget that 6T is 60hz, FHD, 4G,
OP8pro 120hz, QHD, 5G( 5g is Battery eater) ...
Have to admit that battery life is disappointing me..
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Yeah I think the main culprit is the 5G. Until now I've had the phone at work during the week and stayed on 5G. Today I'm on WiFi and it seems a lot better already. Pretty early still so we will see.
As I do not have 5g in my area or a 5 g SIM ,I have changed my network settings to 4g/3g only
About 6.5 hours SOT. Just normal use (I dont game)
Getting better ,this is just in wifi today and battry use over night is a trickle
9 + hours. 2 days
WiFi
4G
Location
BT 1 device
120Hz @fhd (literally no point using QHD)
Calls
Text
App usage in screen shots.
Pure stock 5.5 BA
Pretty sure I can break 10 hours.
Battery saver came on at 10%
Yet another long SOT, I've been stuck in the house but have played a few games, been on WhatsApp, XDA telegram and slack throughout the day.
WiFi and 4G always on.
Not going any lower than 10%
I think with device learning and optimised updates for the OS and chipset that these SOT scores will only improve.
Some more stats, all of this on 4G no WiFi use .I thinks it's easily a 7 hr SOT device ,more if using WiFi
combat goofwing said:
Some more stats, all of this on 4G no WiFi use .I thinks it's easily a 7 hr SOT device ,more if using WiFi
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You using QHD or FHD? Honestly I don't see a benefit to QHD, turn it off.
Oh and do not charge overnight mate. Trust me.
dladz said:
You using QHD or FHD? Honestly I don't see a benefit to QHD, turn it off.
Oh and do not charge overnight mate. Trust me.
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QHD 120 Hz,I slow charge over night via wireless charging,but have it set to night mode for charging via plug as well ( but haven't don't yet )