Battery Problems - Galaxy Note 10.1 Q&A, Help & Troubleshooting

I am having battery problems with my tab I only play some games for a little while browse the internet but I have to allways charge it everyday it was never like this when I had my ipad 2 any ideas on what I can do thanks

huzi7868 said:
I am having battery problems with my tab I only play some games for a little while browse the internet but I have to allways charge it everyday it was never like this when I had my ipad 2 any ideas on what I can do thanks
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You haven't posted a lot of details, but bear in mind the following.
Games usually draw more power.
Otherwise I would be looking to do the following.
Charge to 100 %
Then use it until it runs down to 15% or less. That should take about 8 hours (at least - but I don't play games on mine) so may be just do some browsing.
Repeat a couple of times to calibrate the battery.
If it discharges much quicker then you need to start looking at your settings.
Is power saving enabled (It's not in mine cos I think it's a pain in the ass)?
Is Bluetooth on all the time?
Is GPS on all the time?
How bright is the display and is it set to Auto? ( I find that mine is bright enough at about 20% for normal use)
Happy with all that ?
If you still feel that it's discharging to fast then look at installing an enhanced battery stats program that will try to identify any app that is acting as a battery drain.
Report back your findings

huzi7868 said:
I am having battery problems with my tab I only play some games for a little while browse the internet but I have to allways charge it everyday it was never like this when I had my ipad 2 any ideas on what I can do thanks
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That can´t be, there must be something wrong with Your Note.
My wife unplugs hers at 6 am, plays games for 1 hr while we drive to work, works with it the entire day, plays again games for 1 hr when we go back home, then surfs the internet on UMTS and goes on playing games until around 10 pm and still has got 25-40%.
Before with her iPad she had to recharge already in the afternoon with the same user-profile.
Check batt consumption with the app "Better Battery Stats" and eliminate batt-suckers

I get about 10 hours of use daily with mines which is good.. but as for the ipad being better on battery that is true because it has a bigger battery than the note 10.1.. The note 10.1 battery is 7000mah and Ipad is 11666mah that is one reason why many people always say the ipad as better battery life.. Because they dont know the ipad battery size is bigger than android batteries..
Sent from my GT-N8013 using XDA Premium HD app

Related

Battery sucks! Faulty unit or crappy software? HELP

I have used this tablet for 2 days now and almost everything works perfect (thanks to latest ota) but there's one thing that is bothering me. Battery life. I had ipad 3 for 2 months but I finally sold it and bought the infinity. Now I know ios sucks on phones AND tablets. But the battery life was amazing. I could use it to browse and for games for 9 hours at least. But on the infinity I am lucky if I get 4 hours browsing. 4 hours sucks on a tablet. But I think that wifi is the problem. I have added 2 pictures were you can see I used the tablet for 1 hour last night then I used it for almost 3 more hours today. Now the battery is at 10%. But I was wondering why the battery uses 62%? On my galaxy nexus wifi is using 5%.
Have I got a faulty unit or is it like this for everyone? If so please let me know fast so I can send it back before it's too late.
Somethings not right there. Tests/reviews done by some major outlets (thinking PC World or Engadget) reported 9 hours of video play over wifi with screen at 50% brightness. iOS has always had good battery life due to their stict contols over the OS, but you should be seeing more then 4 hours. Hell I was at 40% and played WindUp Knight for hours straight last night which takes up much more battery then a movie. I usually don't suggest using task managers, but there is one built in by asus, I'd use it and see if you can kill some processes. Also be mindful which profile is being used. I stick to balanced most of the time and switch to low when the battery starts getting low (24%ish)
http://www.engadget.com/2012/06/25/asus-transformer-pad-infinity-tf700-review/
The TF700 packs a 25Wh battery rated for up to nine and a half hours of runtime. Indeed, it lasted nine hours and 25 in our battery rundown test, which involves looping a video with WiFi on and the brightness fixed at 50 percent.
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Thanks for the reply. I am always on Balanced and i am seeing over 20% down in an hour. Maybe i have a faulty unit?
I wouldn't be so sure. I was playing nova 3 on performance mode though.
jdeoxys said:
I wouldn't be so sure. I was playing nova 3 on performance mode though.
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Hmm so i'm not the only one. I hope Asus fixes this fast or im gonna have to return, but i can't see any tablet better then this atm.
armanisafarai said:
Hmm so i'm not the only one. I hope Asus fixes this fast or im gonna have to return, but i can't see any tablet better then this atm.
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Well, what do you expect? It's going to take some power to push all the pixels on this massive resolution.
jdeoxys said:
Well, what do you expect? It's going to take some power to push all the pixels on this massive resolution.
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Exactly, it all depends on what your doing OP. The movie scenerio in the review doesnt take much juice in that it uses the low power single core. I don't know for sure, but web browsing may require all 4 cores to kick in depending on exactly what your doing. Regardless, your wifi being a big consumer is easy to deal with. Somewhere in the settings is an option that automatically turns wifi off when screen is off.
Chief Geek said:
Exactly, it all depends on what your doing OP. The movie scenerio in the review doesnt take much juice in that it uses the low power single core. I don't know for sure, but web browsing may require all 4 cores to kick in depending on exactly what your doing. Regardless, your wifi being a big consumer is easy to deal with. Somewhere in the settings is an option that automatically turns wifi off when screen is off.
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Well, all i was doing was using chrome... I think it's pretty bad when i cant browse for more then 4 hours on a tablet. I thought it had to do something with WiFi since its using over 62%. I did the same test with my nexus where i i just used chrome and when i looked in battery , wifi only used 10%. Maybe there is a bug with wifi?
Try Battery HD for some averages/estimates.
I tend to get about 9+ hrs of reading, balanced mode, WiFi off, and about 7 hrs of browsing over WiFi (undocked, dock charges me about 2/3 full), but it all drops down drastically for gaming, which is about 4 hrs you mentioned.
If you get 4 hrs of pure browsing, I'd consider re-flashing, wiping data and - if these don't help - returning your device.
Chief Geek's point has much merit, and you could always look at (for example) GreenPower or some other time-/screen-based toggler. They do pretty well, and you do not even lose out anything except direct push functionality. (Does it really matter for 99.9% of mail when it comes in once every 15 or 30 minutes? When it does (when you're buying a house or something), shut down the toggler for the time being and cope with some battery drain, then when the situation has resolved, enable it again.
And try using BetterBatterStats for your statistics -- the main battery stat app Android offers has some quirks to prevent meaningful interpretations of many scenarios. Let that get a few charging/discharging cycles and then look at the stats.
So battery hd tells me I should get 8 hours of browsing and 9 for video playback. Will do another test tomorrow with screen on whole time and see how long it will last watching videos. Also battery hd tells me I can play 3d games for only 2 hours. Eh
MartyHulskemper said:
Chief Geek's point has much merit, and you could always look at (for example) GreenPower or some other time-/screen-based toggler. They do pretty well, and you do not even lose out anything except direct push functionality. (Does it really matter for 99.9% of mail when it comes in once every 15 or 30 minutes? When it does (when you're buying a house or something), shut down the toggler for the time being and cope with some battery drain, then when the situation has resolved, enable it again.
And try using BetterBatterStats for your statistics -- the main battery stat app Android offers has some quirks to prevent meaningful interpretations of many scenarios. Let that get a few charging/discharging cycles and then look at the stats.
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I installed betterbatterystats last night, will do more testing.
armanisafarai said:
So battery hd tells me I should get 8 hours of browsing and 9 for video playback. Will do another test tomorrow with screen on whole time and see how long it will last watching videos. Also battery hd tells me I can play 3d games for only 2 hours. Eh
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Remember that these are just averages for your device, at least in the beginning.
If you mistreated your battery upon receiving it, it can kill battery life. You are suppose to plug in your asus tablet for at least 8 hours (well beyond the tablet would say the battery is 100%) the first time you get it. This is sound advice for any new Lithium Ion Battery.
Then you can start using it. Letting the battery die at 0% also decrease the life of the Li-Ion battery every time it happens (ignore old sites that say you should do a full discharge cycle every 2 weeks, that was for old Nickel Cadmium batteries).
Juice Defender is typically a phone app but you can run it as well to detect if any background processes are eating up your battery life.
I get almost 10 hours on my TF700 with moderate usage (mix of browsing, video playback, reading, etc.).
Diogenes5 said:
If you mistreated your battery upon receiving it, it can kill battery life. You are suppose to plug in your asus tablet for at least 8 hours (well beyond the tablet would say the battery is 100%) the first time you get it. This is sound advice for any new Lithium Ion Battery.
Then you can start using it. Letting the battery die at 0% also decrease the life of the Li-Ion battery every time it happens (ignore old sites that say you should do a full discharge cycle every 2 weeks, that was for old Nickel Cadmium batteries).
Juice Defender is typically a phone app but you can run it as well to detect if any background processes are eating up your battery life.
I get almost 10 hours on my TF700 with moderate usage (mix of browsing, video playback, reading, etc.).
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All correct -- there is a lot of disinformation going on with batteries (especially regarding the charging cycles, although a single, long, full charge and then draining to zero charge actually helps calibrate the battery indication algorithms in the device). The optimum minimum charge level seems to be about 40% or so I've read.
Juice Defender and Greenpower toggle WiFi on either time- or location-based profiles, and that works on tablets as well. Recommended!
Your phone doesnt actually discharge a battery to zero. The thing with lithium batteries is they maintain voltage untill nearly the end. This is a very large benifit for modern devices. Once the voltage starts to drop the phones circuitry cuts it off and prevents it from powering on with the LVC circuit that checks the battery before allowing phone to power on then immeditately cuts it (first attempting a power down then all out power cut). This happens to protect the battery. So what the phone considers a dead battery is simply an exhausted battery ready for charge. If a lithium is actually dischardged completely it will damage the cell and prevent it from taking a charge. The power being given to it is then converted to heat. The battery then ignites and very very bad things happen such as your house burning down. The point of all that is to point out that discharging your phone to "zero" isn't actually doing any damage past the normal wear and tear on the battery. I buy batteries that cost hundreds for some of my RC hobbies and have learned the hard way about how lithium batteries work. (bypassed LVC and ruined a $80 3S2P pack)
Diogenes5 said:
If you mistreated your battery upon receiving it, it can kill battery life. You are suppose to plug in your asus tablet for at least 8 hours (well beyond the tablet would say the battery is 100%) the first time you get it. This is sound advice for any new Lithium Ion Battery.
Then you can start using it. Letting the battery die at 0% also decrease the life of the Li-Ion battery every time it happens (ignore old sites that say you should do a full discharge cycle every 2 weeks, that was for old Nickel Cadmium batteries).
Juice Defender is typically a phone app but you can run it as well to detect if any background processes are eating up your battery life.
I get almost 10 hours on my TF700 with moderate usage (mix of browsing, video playback, reading, etc.).
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i have actually read that Li-Ion batteries can be used out of the box. Sp i turned on my infinity right away. I put the charger in, but i still used the tablet. It was about 25% when i got it out of the box. So what you're saying is that i have basically ****ed up the battery? If so, then i will return and get a new one. But i dont understand why most people say that you can usre a device with Li-Ion battery staright out of the box without needing to charge it first.
Chief Geek said:
Your phone doesnt actually discharge a battery to zero. The thing with lithium batteries is they maintain voltage untill nearly the end. This is a very large benifit for modern devices. Once the voltage starts to drop the phones circuitry cuts it off and prevents it from powering on with the LVC circuit that checks the battery before allowing phone to power on then immeditately cuts it (first attempting a power down then all out power cut). This happens to protect the battery. So what the phone considers a dead battery is simply an exhausted battery ready for charge. If a lithium is actually dischardged completely it will damage the cell and prevent it from taking a charge. The power being given to it is then converted to heat. The battery then ignites and very very bad things happen such as your house burning down. The point of all that is to point out that discharging your phone to "zero" isn't actually doing any damage past the normal wear and tear on the battery. I buy batteries that cost hundreds for some of my RC hobbies and have learned the hard way about how lithium batteries work. (bypassed LVC and ruined a $80 3S2P pack)
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Nothing to add, technical and extensive, but fully correct, sir. I think we may have had a slight misunderstanding, however: my point was that discharging your phone to 'zero' (and as you rightfully point out, that is not an actual fully discharged battery state) is a required step in calibrating most device's algorithms (some devices, such as my SGS2 do not need this because of advanced hardware). I'd rather not fully discharge any Li-Ion batteries either.
Sent from my ASUS Transformer Pad TF700T
armanisafarai said:
i have actually read that Li-Ion batteries can be used out of the box. Sp i turned on my infinity right away. I put the charger in, but i still used the tablet. It was about 25% when i got it out of the box. So what you're saying is that i have basically ****ed up the battery? If so, then i will return and get a new one. But i dont understand why most people say that you can usre a device with Li-Ion battery staright out of the box without needing to charge it first.
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A typical case of RTFM, an affliction I sometimes suffer from as well, as do most men. Hahaha! Do you think ASUS put it in the manual for laughs, or just to give you a few more hours of painful desire to use your device while you cannot, yet? Nah, it's there for a reason. Sometimes, though -- and again that's SGS2 experience -- just running a few battery cycles might make the readout correspond to the actual battery level again. You could at least give it a try, right?
Sent from my ASUS Transformer Pad TF700T
armanisafarai said:
I have used this tablet for 2 days now and almost everything works perfect (thanks to latest ota) but there's one thing that is bothering me. Battery life. I had ipad 3 for 2 months but I finally sold it and bought the infinity. Now I know ios sucks on phones AND tablets. But the battery life was amazing. I could use it to browse and for games for 9 hours at least. But on the infinity I am lucky if I get 4 hours browsing. 4 hours sucks on a tablet. But I think that wifi is the problem. I have added 2 pictures were you can see I used the tablet for 1 hour last night then I used it for almost 3 more hours today. Now the battery is at 10%. But I was wondering why the battery uses 62%? On my galaxy nexus wifi is using 5%.
Have I got a faulty unit or is it like this for everyone? If so please let me know fast so I can send it back before it's too late.
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I see the same picture here. Looking at the battery stats I see WIFI using >90% of the battery when surfing in balanced/50% backligt mode.
Hope they fix this.

[Q] Weak Battery

Hello,
I'm new here and have a quest about my new tablet
I bought the Transformer Pad Infinit a few days ago and I think that I could use the battery for 9 hours more or less.
But my battery is extremely weak, I just use this 3 or 4 hours with the GPS off and bluetooth off too. The wi-fi is just on in the half of this time, and waht I do in this time is play some games and use the internet. I use the "Energy Economy" mode all this time and the light of the screen is in 20%.
I guess my battery is more weak than others... What can I do to "fix" it?
I would to say "thanks" for everyone, and I'm sorry by my english, I don't know english so well
The battery in your Infinity may be not charging to 100%.
I don't get 9 hours with moderate use...I see around 6 hours.
My wifi and GPS are always on and the screen is about 30%.
The batteries aren't supposed to have "memory" meaning: they should be able to be charged over and over from any discharge level back to a full charge.
There also might be something running in the background that is taking down your battery charge.
Have you browsed the battery saving tips in the stickies here in the TF700T forums?
Is your Infinity the LTE version by any chance?
Some info:
http://forum.xda-developers.com/showpost.php?p=30223933&postcount=2
Thats OK said:
The battery in your Infinity may be not charging to 100%.
I don't get 9 hours with moderate use...I see around 6 hours.
My wifi and GPS are always on and the screen is about 30%.
The batteries aren't supposed to have "memory" meaning: they should be able to be charged over and over from any discharge level back to a full charge.
There also might be something running in the background that is taking down your battery charge.
Have browsed the battery saving tips in the stickies here in the TF700T forums?
Is your Infinity the LTE version by any chance?
Some info:
http://forum.xda-developers.com/showpost.php?p=30223933&postcount=2
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First: Thanks
I search in the internet and I found that the Li-Ion batteries have to charge arround 30%~50%. I do it much times.
I was using a animed wallpapers and I change it by a normal wallpapers. I guess this make some efecty
I search here in the forum too, things about the battery saving, I found somethings that can be helpful, but no "so beautiful"
I don't have the LTE version, I guess nobody have it, Asus is so stupid when we talk about "3G/4G"
I don't know why, but mysteriously, the tablet use about 600mb of RAM and also nothing is running, just the things of the systen.
I guess it's strange, maybe that interfere in the battery life no? But how can I "fix" it? SImply have notthing running and 600mb of RAM are in use.
Thanks again, and again: sorry by my english
Otobone said:
First: Thanks
I was using a animed wallpapers and I change it by a normal wallpapers. I guess this make some efecty
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Yes, animated wallpapers definitely use more battery than static ones.
Otobone said:
I don't know why, but mysteriously, the tablet use about 600mb of RAM and also nothing is running, just the things of the systen.
I guess it's strange, maybe that interfere in the battery life no? But how can I "fix" it? SImply have notthing running and 600mb of RAM are in use.
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That's OK. Unused RAM is wasted RAM, and unused RAM uses exactly the same amount of battery as used RAM, so no need to fix anything here. Interesting for battery use is CPU utilization by running processes.
I have to admit the battery life is not brilliant on this tablet. It very much depends on the usage, this wasn't really the case with previous LEAST powerful galaxy tab 8.9. Even during playing games it easily lasted 8-9 hours.
Worst infinity battery times observed ( balanced mode, brightens < 30% )
- playing hard core 3d games, like dead tigger, battery dead in 3-4 hours
- playing less intensive games, battery dead in 5-6 hours
- browsing battery dead in 7-8 hours.
- watching movies, battery dead in 8-9 hours.
so anything between 3-9 hours can be normal with infinity. I cannot even imaging battery life in performance mode, IPS+ full brightens
I was with fear, 'cause for a moment thought that my battery was the only one that is "not so beautiful" But I saw that is not a problem with my tablet and yes with this model.
I'm Brazilian, here the Asus is a perfect nothing. Here we have just the TF101 who comes with 1 year delayed. So I buy the tablet in other country and I don't have warrancy, if my battery was with some problem I don't know what I would.
Here if I call to Asus they would hit the phone in my face before I can say "Transformer"
Otobone said:
I was with fear, 'cause for a moment thought that my battery was the only one that is "not so beautiful" But I saw that is not a problem with my tablet and yes with this model.
I'm Brazilian, here the Asus is a perfect nothing. Here we have just the TF101 who comes with 1 year delayed. So I buy the tablet in other country and I don't have warrancy, if my battery was with some problem I don't know what I would.
Here if I call to Asus they would hit the phone in my face before I can say "Transformer"
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Ummm...
So you ... own the Asus Infinity TF700T?...or the TF201?
...don't get hit in the face please!...especially with a phone...maybe a small phone wouldn't hurt a lot.
I hope your face doesn't get hit though...
God I love Google Translate... :laugh:
Asus very clearly says "Battery life tested under power saving mode, playing 720p video playback, Brightness:100nits, default volume with headphones." on their website. If you try something else, you'll get different results. Basic scientific fact.
Also, I can't stress this enough: Kill off all bloatware! No you don't need to root the tablet for it (most of it, anyway.) The more processes you run in the background, the more power they consume. Simple as that.
And WiFi EATS battery like you wouldn't believe. It's so horrible it's not even funny. The WiFi unit is very powerful, which is why it eats so much. So yes, using WiFi will eat your battery.
andoid uses RAM differently than Windows. Forget how it works there. Android reserves RAM for processes, even when they're not in use.
Could be the Google Location bug? there's info on that here somewhere too.
Go to settings --> Battery and see what uses the most percentage.

Hows the battery life when reading book?

So i searched on here to see what the battery life is like, most people are claiming 6 to 8 hours. I'm wondering what the battery life is like when used as an ereader. I know it wont replace my Kindle but whats the battery life like if say, I'm reading books, or comics on it? I guess worse case scenario I could always buy one of those external battery chargers for those long trips home.
This is regarding the 7" tablet by the way.
Well, I didn't get any feedback but, I'll buy picking one up regardless. I'll let you guys know what kind of battery life I get on this thing with just plain reading.
I have the 10.1, but I found that battery life can vary wildly. Turn the screen brightness up to max and play a game, and you'd get 3 hours max. But if you take brightness to 1/4 and read a web page, you should get at least 5 hrs.
Posted from my Fascinate using XDA Premium
MO3iusONE said:
So i searched on here to see what the battery life is like, most people are claiming 6 to 8 hours. I'm wondering what the battery life is like when used as an ereader. I know it wont replace my Kindle but whats the battery life like if say, I'm reading books, or comics on it? I guess worse case scenario I could always buy one of those external battery chargers for those long trips home.
This is regarding the 7" tablet by the way.
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On my 7" Tab 2 and mostly reading during the day, I could probably easily go 2 days between charges. My problem is the other stuff that I do between reading. Still even with that, I go a full day on one charge with no problem.
It really depends on your brightness and what's being displayed. I use fbreader and use dark mode. I can go days without recharging and usually hit about 5 h and 30 min on screen time. But that's with all my different use of videos, Chrome, games, etc. I would suppose that as a eBook reader and using power saving mode will net you a higher battery result.
Sent from my GT-P3113
One of the many advantages of "aftermarket" ROMs is that with modified kernel you get a good control over the performance. Besides being able to play with screen brightness, you can reduce the maximum CPU speed as well as adjust the CPU governor, and in some roms even lower the voltage. With this much control I can get very long battery life for low resource need activities like reading. I have many times used my Tab 2 7" between the US and Asia for 18-20 hours (actual flight time plus layover) with 1 single charge and arrived with 20-30% left in the battery.
You're probably going to get more battery time than you can stand to read straight through in one sitting. If you want to maximize it, use white fonts on a black background and turn off all radios (3g and or WiFi).
Sent from my GT-P3110 using Tapatalk 2
I use the lower brightness, about 30%, and the battery should last for 6-7 hrs screen on.
I use my tab mostly for browsing with wifi on.

non rooted Nexus 5, how's your battery ?

how's your battery doing guys when you go heavy use with this phone ? with or without wifi.
My battery is doing well, thanks for asking
Sent from my Nexus 5
before i rooted i had great battery life. Unless your playing games for a while with the screen on full brightness. I saw about a day to a day and 1/2
Rooting alone does not make a bit of differences to your battery life
Um y'all know that rooting has nothing to do with battery life, right?
sent from my hammerhead
My battery life increased 10 fold after jailbaking my phone...
I get 4 hours screen on time with average use
Total on-time varies with what I do. Could be 10 hours could be over 24
I'm usually listening to music, texting, playing the DS emulator, browsing, or just social media
Sent from my Nexus 5 using xda app-developers app
so anyone ever reached the phone from fully charged with standard SOT 3-4 hours from your nexus 5 and the battery still runs good ?
For me the key about the N5 battery life is two fold;
1. It loses very little juice on idle, even with all of the radios on.
2. It charges exceptionally fast.
Now, if you run screen brightness up and use google navigation the battery can go fast. Real fast. But for me, what is important is that if I know I am going to be away from the charger for a while I can easily tweak my behavior to get me there.
robber said:
For me the key about the N5 battery life is two fold;
1. It loses very little juice on idle, even with all of the radios on.
2. It charges exceptionally fast.
Now, if you run screen brightness up and use google navigation the battery can go fast. Real fast. But for me, what is important is that if I know I am going to be away from the charger for a while I can easily tweak my behavior to get me there.
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How long is your screen on time everyday you use average ? Like 3 hours sot ?are you still able to reach till late night like 11pm with your nexus 5 if your sot around 3-4 hours ?
With auto brightness
Sent from my XT1053 using Tapatalk

HD 10 (2019) battery life.

I just got an HD 10, installed Play Store and used the Windows tool to get rid of most of the Amazon bloat. My question is, how accurate is the battery usage %. I used mine just to read a book for several hours and it still read over 90%. Just now, I streamed a movie for an hour and it was only down 6%. I've had many tablets over the years and none of them have come even close to that. Is that reading accurate or will it plunge rapidly after a while? Would I really still have 40% charge after watching movies for 10 hours?:fingers-crossed:
lewmur said:
I just got an HD 10, installed Play Store and used the Windows tool to get rid of most of the Amazon bloat. My question is, how accurate is the battery usage %. I used mine just to read a book for several hours and it still read over 90%. Just now, I streamed a movie for an hour and it was only down 6%. I've had many tablets over the years and none of them have come even close to that. Is that reading accurate or will it plunge rapidly after a while? Would I really still have 40% charge after watching movies for 10 hours?:fingers-crossed:
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Yes. The battery life is amazing. People reviewed it to have 20 hours of battery. I own it, the battery is great.
secretwolf98 said:
Yes. The battery life is amazing. People reviewed it to have 20 hours of battery. I own it, the battery is great.
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I bought this tab on a whim. I already own a Samsung S5e and a Samsung Tab A (2019), so I didn't really need another tab. But with battery life like this, I may wind of keeping and selling the Tab A. Once I got rid of the Amazon bloat, it seems like just a good mid-range Android tablet with exceptional battery life.:good:
lewmur said:
I bought this tab on a whim. I already own a Samsung S5e and a Samsung Tab A (2019), so I didn't really need another tab. But with battery life like this, I may wind of keeping and selling the Tab A. Once I got rid of the Amazon bloat, it seems like just a good mid-range Android tablet with exceptional battery life.:good:
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I agree. I also have a Tab a 8 2019. The battery on that thing sucks. With the Tab a being updated to Android 10, it just made it so slow. But I do see that TWRP now works on the Tab a, so I will be trying that soon.
secretwolf98 said:
I agree. I also have a Tab a 8 2019. The battery on that thing sucks. With the Tab a being updated to Android 10, it just made it so slow. But I do see that TWRP now works on the Tab a, so I will be trying that soon.
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Mine is the 10". They do have the advantage of having an unlockable bootloader. The custom ROMs available have much better battery life but still nowhere near the 20hr life of the HD 10.
Battery Charging
Just bought a Amazon Fire HD 10 2019 - 32GB last week. First modern tablet in 5 years and I'm slowly working on it. Watched a few YouTube videos which said how great a deal the Fire HD 10 was then pointed me to the great Fire Toolbox and looking around the forums brought me here to battery life. If you've ever paid or DYI a phone battery it's a pain.
From a YouTube video. If you want to extend your battery’s lifespan, keep it charged between 40% and 80%.
And Accu​Battery is one of several apps that lets you set a upper and lower charge percent with alarms. Who knows how well this works but I've been using it for my phones. Thoughts?
Yeah. I can get about 22h SoT when using Tachiyomi manga reader. Low brightness.
But you are right. IMHO it takes longer from 100% to 90% than from 60% to 50% but only about 1.2x or such...
Talking about increased battery life... YES it is healthier to use it from 80% down to 30% and then charge it back up to 80%... but think again... if you get 50% More charging cycles out of that. You also charge it 50% more often
P.S I think a big thing about the gread battery Life is how passive the CPU works.
Even though this tablet has 4xA72 and 4xA53 cores it is quite laggy. So 'governor' settings must be quite conservative.
Haldi4803 said:
but think again... if you get 50% More charging cycles out of that. You also charge it 50% more often
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Well, spoil my fun, but of course you are right. I learned my lesson years ago with my first phone with wireless charging. I'd usually just put it on a charging pad/cradle and didn't take long to ruin my battery.
I am comfortably getting 15 hours of sot with a moderate debloating effort. As for the battery longevity, it is true that charging between 20 to 80 percent almost doubles the battery life but I would just charge this thing the normal way without worrying about the battery because replacing a bad battery on this device is only slightly more difficult than those old removable cell phone batteries.
Ive not long got the fire HD 10, i googlefied it straight away, but web surfing, playing 2 games, not very demanding, gives me 4 hours SOT, seems a bit poor really unless the games are quite power hungry, TT2 and idle miner
russy23 said:
Ive not long got the fire HD 10, i googlefied it straight away, but web surfing, playing 2 games, not very demanding, gives me 4 hours SOT, seems a bit poor really unless the games are quite power hungry, TT2 and idle miner
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Something is VERY wrong with your tablet. I used the Toolbox to remove just about all of the Amazon stuff, installed Google Services and PlayStore and I get great battery life. Streamed 4hrs worth of football Sunday and still had 70% charge.
lewmur said:
Something is VERY wrong with your tablet. I used the Toolbox to remove just about all of the Amazon stuff, installed Google Services and PlayStore and I get great battery life. Streamed 4hrs worth of football Sunday and still had 70% charge.
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Yea thought it was not great..attached some screenshots from accubattery to see if you can see anything..chrome looks a bit of a hog

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