How is the battery on your transormer without the dock? How much hours of gaming can you get? Mine goes to about half after about 2 hours and a half of heavy use.
Probably 4-5 hours
Sent from my SGH-T989 using XDA
I'm finding my battery life poor. Is this just the way the TF300 is?
Asus says 10 hours, Engadget say just over 8 hours playing video at 50%.
I'm disappointed with mine I go down to below 30% after about 3 hours use constant usage easily. Even when it's asleep it takes a couple % down per hour.
psjw12 said:
I'm finding my battery life poor. Is this just the way the TF300 is?
Asus says 10 hours, Engadget say just over 8 hours playing video at 50%.
I'm disappointed with mine I go down to below 30% after about 3 hours use constant usage easily. Even when it's asleep it takes a couple % down per hour.
Click to expand...
Click to collapse
For the asleep part, it might help to turn on the setting to disconnect wifi while sleeping. I get extremely long battery life, but I also have very light usage because I work a lot. A lot of it could depend on what you are doing for that constant use. Also, are you rooted? and if so have you overclocked?
I'm frankly quite surprised at the poor battery life. I depleted the entire dock battery this morning by using it about 3 hours. The main tab battery is now at 80% so will probably last about another 3 hours or so on heavy usage. I'm not all that impressed at all on 6 hours of usage WITH the dock keyboard.
Originally this morning I actually thought something was wrong with my keyboard battery since it was depleting so fast, but I guess not... Wow.
What do the "balanced" ... "performance" settings in the menu actually do?
Sent from my ASUS Transformer Pad TF300T using xda premium
TXKSSnapper said:
For the asleep part, it might help to turn on the setting to disconnect wifi while sleeping. I get extremely long battery life, but I also have very light usage because I work a lot. A lot of it could depend on what you are doing for that constant use. Also, are you rooted? and if so have you overclocked?
Click to expand...
Click to collapse
Well my Wifi wake setting is set to never on when sleeping. I'm rooted but I've not overclocked. I just use the built in Asus model (eco, performance and balaned). It's normally on balanced.
Sent from my ASUS Transformer Pad TF300T using XDA
Jarm3r said:
What do the "balanced" ... "performance" settings in the menu actually do?
Click to expand...
Click to collapse
From what I've read Eco clocks the cpu at 600mhz, balanced at 1.2ghz and performance at 1.3ghz
Sent from my ASUS Transformer Pad TF300T using XDA
Jarm3r said:
I'm frankly quite surprised at the poor battery life. I depleted the entire dock battery this morning by using it about 3 hours. The main tab battery is now at 80% so will probably last about another 3 hours or so on heavy usage. I'm not all that impressed at all on 6 hours of usage WITH the dock keyboard.
Originally this morning I actually thought something was wrong with my keyboard battery since it was depleting so fast, but I guess not... Wow.
What do the "balanced" ... "performance" settings in the menu actually do?
Sent from my ASUS Transformer Pad TF300T using xda premium
Click to expand...
Click to collapse
I dont even get 3 hours i think....
Sent from my ASUS Transformer Pad TF300T using XDA
Honestly, I've been pretty happy with mine. I just don't see any scenario in which I would drain the dock then drain the main battery and not see a whole day of usage. I just don't see myself doing 6 straight hours of heavy gaming.
Bare in mind that gaming is the most power consuming operation. 5-6 hours continuous gaming doesn't seem too bad to me.
What's the battery life like for internet browsing?
dsf3g said:
Honestly, I've been pretty happy with mine. I just don't see any scenario in which I would drain the dock then drain the main battery and not see a whole day of usage. I just don't see myself doing 6 straight hours of heavy gaming.
Click to expand...
Click to collapse
2stepsteve said:
Bare in mind that gaming is the most power consuming operation. 5-6 hours continuous gaming doesn't seem too bad to me.
What's the battery life like for internet browsing?
Click to expand...
Click to collapse
Is that with or without dock?
My battery is currently at 35% and it has been 22 hours since I unplugged it from the charger. I have 4.5 hours of screen time which included heavy browsing and playing Draw Something. This is without the dock.
I am using the .29 build.prop mod as well as the Transformer overclock app (I forgot what it was called) that uses 1ghz for eco, 1.3 for balanced and 1.6 for performance. My setting has been on balanced.
Overall I'm happy with my battery life although I don't play much games on it. FYI I lost approximately 12% of battery life overnight. I don't remember the exact number so I'll check again tomorrow.
If you are rooted, maybe you should try the Battery Calibration app on the Play Market?
]
Battery life at about 96% after about ten minutes of light use of the tablet for me. Not great...
Sent from my ASUS Transformer Pad TF300T using XDA
I can't say I'm very happy with the battery life of my TF300T (no dock)
It's stock ICS with the WW .29 firmware and powermanagement is set to balanced.
But I (also) think that there is a software thingy going on:
After a 100% charge I left it on standby/sleep from 8 in the morning untill 6 in the evening. 11 hours of standby mode alone drained almost 20% of the battery
I double checked the battery usage and indeed it's the idle mode that was so energy hungry.
I saw there is a MOD here at XDA that fixes the standby power consumption and I will be giving that a try for sure.
With normal use (no movies, just browsing, moving files around from and to my NAS, reading PDF's) it uses 50% in about 3 hours.
Playing movies (WIFI turned off) does about the same thing, so I guess it's mainly the screen that consumes all the energy.
I do not play games, so no experiences with that.
What I would like to try is to have PowerAmp play music, screen turned off and then see how much battery is used.
Recharging is pretty fast btw: The TF300T does a better job than my Desire S.
KindaUndisputed said:
]
Battery life at about 96% after about ten minutes of light use of the tablet for me. Not great...
Sent from my ASUS Transformer Pad TF300T using XDA
Click to expand...
Click to collapse
What do you consider light use? also, what is your screen brightness at?
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I get about 25-30 mins each 5% on light use. My brightness is never over 50% and I'm underclock to 880mhz, everything still runs smoothly. Also most of the time I'm on power saving mode. Also most of the time spent on those 30+mins were on Tapatalk with the dark theme, so there's no much power used for the background since its a dark grey color not bright white as the default.
Sent from my ASUS Transformer Pad TF300T using Tapatalk 2
TXKSSnapper said:
What do you consider light use? also, what is your screen brightness at?
Click to expand...
Click to collapse
Screen brightness relatively high and a bit of browsing
Sent from my ASUS Transformer Pad TF300T using XDA
KindaUndisputed said:
Screen brightness relatively high and a bit of browsing
Sent from my ASUS Transformer Pad TF300T using XDA
Click to expand...
Click to collapse
Screen Brightness can drain a battery pretty quickly. The only other things I can think of would be gps, or bluetooth being on. If you are rooted, you could underclock and get a lot better battery life that way.
jgaf said:
I get about 25-30 mins each 5% on light use. My brightness is never over 50% and I'm underclock to 880mhz, everything still runs smoothly. Also most of the time I'm on power saving mode. Also most of the time spent on those 30+mins were on Tapatalk with the dark theme, so there's no much power used for the background since its a dark grey color not bright white as the default.
Sent from my ASUS Transformer Pad TF300T using Tapatalk 2
Click to expand...
Click to collapse
how do i get extended battery stats?
Sent from my ASUS Transformer Pad TF300T using XDA
The app I'm using is Badass battery monitor.
Sent from my ASUS Transformer Pad TF300T using Tapatalk 2
Related
Post your real numbers of what you get chaps, it will be interesting to see what some get over others.
Over night Standby Loss=30%
Average day I get 12 hours before needing a charge.
I have
WIFI on,
GPS off
Auto Brightness
but nothing is set to sync I do it all manually.
with setcpu and juicedefender i lose about 5% over night
Jabbypants said:
Post your real numbers of what you get chaps, it will be interesting to see what some get over others.
Over night Standby Loss=30%
Average day I get 12 hours before needing a charge.
I have
WIFI on,
GPS off
Auto Brightness
but nothing is set to sync I do it all manually.
Click to expand...
Click to collapse
sounds like a big drain if you have lg vip service ( free in NL ), call lg and ask a replacement.
My first o3d was like that and the new one I lose 3-5% overnight with no TP app ( juice garbage etc )
Wifi on
Sync on
Auto brightness
GPS 0ff
Edit: main bettery user seems to be 3d gameloft games, I can get 24hours with some 3d youtube a lof wifi browsing and a 3d picture now and then
I am using a custom rom and it has gamesloft removed and lots of other stuff.
12 hours, 24 if i dont touch it
Sent from my LG-P920 using XDA App
Over night Standby Loss= 0%, some other nights I get about 4% loss, I don't know why!
Average day I get 24 hours before needing a charge, or extra one half a day, depending on the use.
I have :
WIFI off, I turn it on when I need that and I do that a lot.
GPS off.
Auto Brightness.
Sync on.
Playing Cut the rope for a while.
Taking some 2D/3D videos and pictures.
Yehaww
I get about 7-8 hours but I'm ALWAYS on my phone. Always.... normal for me
I would say I get what I need.
I have the phone from 6:40am till 10pm with 20%-10% battery left.
My use is:
WIFI all the time.
3G (data transfer) off all the time.
GPS off.
Default Brightness.
Sync on.
Playing Angry Bird, Slice Fruit and a bit of Golf 3D and listening music while going and coming back from work (2hrs journey return).
And obviously making/receiving some phone calls.
Now, lately, I've been playing a LOT of Golf 3D (got really addicted ) so from my house to my work I've lost 30%-40% battery.
When I go to my break I play another 30 minutes and the battery is already on its 40%-30%.
So basically I have to charge it at work.
During the night the phone is ALWAYS charging so I don't know how much the phone would drain.
Wifi on
Data off most of the time
Sync on
No 3d
Average time 10-14 hrs
Very dissapointed...i have to carry charger everywhere...LG software is battery unoptimized
Sent from my LG-P920 using Tapatalk
Charged 24 hours ago, lost 4% overnight. Played about 30 minutes of Myth Defense, took 7 3D photo's, two calls and three text messages and have 68% left.
Wifi on
Sync on
3G/HSDPA on
GPS off
Wifi localization on
Brightness 55%
Phone is on v10D and rooted. Got a couple of background processes like WhatsApp and battery/time/weather widgets.
The first week it was pretty bad but now I'm quite content.
You have to take into consideration that the phone has a very large screen with dualcore processor. I think the largest capacity battery you can get for this phone without drastically enlarging the casing is about 1980mAh which will give you (just an estimation) about an hour more juice. If you want the phone to last two days on one charge with normal use it would've been twice as large and a lot heavier.
I don't understand how some can get such better battery life when they use the phone more than I do.
Is it the different launchers, what do people use.
Jabbypants said:
I don't understand how some can get such better battery life when they use the phone more than I do.
Is it the different launchers, what do people use.
Click to expand...
Click to collapse
+1
I dont want to be rude but it is not possible. I have used alot of android phones and i know first hand what battery drainage is...
Sent from my LG-P920 using Tapatalk
gpou said:
+1
I dont want to be rude but it is not possible. I have used alot of android phones and i know first hand what battery drainage is...
Sent from my LG-P920 using Tapatalk
Click to expand...
Click to collapse
Ahem.
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It's totally possible.
Sent from my LG-P920 using XDA Premium App
hefonthefjords said:
Ahem.
It's totally possible.
Sent from my LG-P920 using XDA Premium App
Click to expand...
Click to collapse
What worrys me about that is that your Android System stat says that it is using 15% were as mine says it is using 53%. That just doesn't seem normal.
My Android System is using 33% and it is the one that uses most my battery.
Look at mine...most time screen off and just a litle wifi
Sent from my LG-P920 using Tapatalk
Sorry for double post
Check my mA drainage
Sent from my LG-P920 using Tapatalk
Honestly when i look at mine i see cell standby of 53% and think that isnt normal.
In my milestone the display is always miles ahead in battery consumption by about 50% and i assumed it would be the same in all androids.
Sent from my LG-P920 using XDA Premium App
gpou said:
Sorry for double post
Check my mA drainage
View attachment 684980
Sent from my LG-P920 using Tapatalk
Click to expand...
Click to collapse
Nice app man. Im gonna check that out. My experience of battery monitors has always been that they eat more battery than they help you conserve but that one looks interesting.
There are parts on that graph that say it is consuming absolutely no power at all. That seems off likes.
Sent from my LG-P920 using XDA Premium App
gpou said:
+1
I dont want to be rude but it is not possible. I have used alot of android phones and i know first hand what battery drainage is...
Sent from my LG-P920 using Tapatalk
Click to expand...
Click to collapse
There's a difference between not wanting to be rude by questioning something or just stating something's impossible
Here ya go, after over 14 hours. The top one is RF2011 3D which I played about 5 minutes. Besides RF2011 I played just over half an hour of Wordfeud. The rest of the time the phone was in standby and as you see it still has about 70% charge. My Android System only used 3% in these 14 hours as you can see in my screenshot.
Title says it all. Post your best battery life screen shot. And say what combo you used.
Sent from my PC36100 using XDA App
Ok...
CM7 nightly 56, Tiamat 1.1.1 kernel. Wifi on, but not in use. Droid Incredible 2 OC'd to 1.2 ghz no voltage mods.
25 hours... 54 percent battery left
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PacerguyDon said:
Ok...
CM7 nightly 56, Tiamat 1.1.1 kernel. Wifi on, but not in use. Droid Incredible 2 OC'd to 1.2 ghz no voltage mods.
25 hours... 54 percent battery left
Click to expand...
Click to collapse
lol how hard was it to keep ur screen basically off for 24 hours?
faugnom1 said:
lol how hard was it to keep ur screen basically off for 24 hours?
Click to expand...
Click to collapse
I don't see you showing a better screenshot.
I have never been over 24 hours with my normal usage.With heavy usage it's maybe 18 or less hours.I really don't understand people say they have still %54 battery life after 30 hours since they unplug the battery.
Are you connecting continously on wifi/3g?
Are you getting gmail/facebook/twitter synch.about hourly?
Are you surfing on web min.1 hours in a day?
These are what i do with juice defender 15.minutes interval connection with not too much talk on phone.
If you do these and your battery goes 2 days,please tell me how to do.
dream4 said:
I have never been over 24 hours with my normal usage.With heavy usage it's maybe 18 or less hours.I really don't understand people say they have still %54 battery life after 30 hours since they unplug the battery.
Are you connecting continously on wifi/3g?
Are you getting gmail/facebook/twitter synch.about hourly?
Are you surfing on web min.1 hours in a day?
These are what i do with juice defender 15.minutes interval connection with not too much talk on phone.
If you do these and your battery goes 2 days,please tell me how to do.
Click to expand...
Click to collapse
For the most part, people don't use their phone. I don't have a picture of it, but yesterday I had 32% left when I started charging my phone, and it's up-time was 2 days and 2 hours. That was only possibly because my total screen on time was only 1.5 hours—in 2 days, remind you. I also disable Wifi, 3G, etc. when I'm not using it.
This is what i mean.We are not observing stand-by time.We should talk about our battery life according to our usage.
dream4 said:
This is what i mean.We are not observing stand-by time.We should talk about our battery life according to our usage.
Click to expand...
Click to collapse
Different people use their phones for different things, and for a largely different amount of time each day. I find the most accurate representation of "daily usage" is to have the time since unplugged and the display on-time figures. Maybe the OP would consider adding a 2 picture requirement for this thread?
Also guys put into consideration extended batteries. I just put one in my evolution and omg incredible I've only lost 20% since 330pm and its now 950pm. running juice defender with tia 337 on evodeck 1.3d
Sent from my PC36100 using XDA App
Also not everyone is a power user. Me I'm a super power user.
Sent from my PC36100 using XDA App
Can people please post screen on time too please its a necessity
Sent from my SCH-I500 using xda premium
Sent from my SCH-I500 using xda premium
So ok, my screenshot wasn't a typical day of use for me A normal day I would plug in the phone at the end of the day with roughly 25-30 percent left (so on average roughly 14 hours between time unplugged and plugged in). My screen shot was a weekend shot, when I don't use the phone much, as you can tell.
This shot is more typical of a normal day for me.
Miui rom, tiamat kernel, Oc'd 1.2ghz... this was taken a few months back.
I don't know anyone having an Android phone, and to have enough battery for more than 2 days. It's because of the touch screen and hardware, not the OS.
I agree. Its totally pointless having a single screen shot that shows a %.
I think we should ask each person to show the "on" time for the the top 2-3 % hoggers to see how much was actually "used".
This is especially helpful when it comes to the display.
For ex: My screen shot will also show display as 45-50% of the battery hog....BUT I only get 90 minutes of "on" time as opposed to 3-4 hours like many seem to get.
That's at the lowest brightness setting mind you
Also---what device are we using with which rom etc etc might be useful to know as well.
I think the kernel is the biggest indicator. When I run a rom on stock kernel (Sense 2.2 for example) on 1ghz I get about 50% less use (both standby and screen on time) than the same kernel but with overclock and undervolt. Undervolt kernels are really the best thing and I think the time that it takes to tune it to the lowest stable voltages for your specific phone really pay off.
i made a post few months back in the SGS2 forum showing nearly 2 days on battery stats with stock rom (i left my SGS2 at home and carried around my bb the whole weekend)
deejay4angels said:
I don't know anyone having an Android phone, and to have enough battery for more than 2 days. It's because of the touch screen and hardware, not the OS.
Click to expand...
Click to collapse
No, it's the OS. The OS requires insane hw to run smoothly, so you can't blame the hw makers.
On the other hand, I can easily get 2+ days with very light GPS usage, lots of Facebook and web, ton of SMS and Spotify streaming. Of course my OS had about 10 years to mature and doesn't insist on constantly being connected to the 'net. Oh, all this without any programs or custom ROMs or the undervolting nonsense.
ph00ny said:
i made a post few months back in the SGS2 forum showing nearly 2 days on battery stats with stock rom (i left my SGS2 at home and carried around my bb the whole weekend)
Click to expand...
Click to collapse
cheater... lol
Sent from my PC36100 using XDA App
stinky_pinky said:
cheater... lol
Sent from my PC36100 using XDA App
Click to expand...
Click to collapse
except before i left it at home, i was using it to listen to pandora all day long
Ok I think I found an issue with my infinity and need some confirmation. Here is the test. Charge tablet to full. I remove from charger and spend 10-15 minutes browsing the Web. Now check battery usage. Is Wifi your number on power drain? Here is what mine looks like.
Sent from my ASUS Transformer Pad TF700T using Tapatalk 2
For comparison I used my xoom tablet for 10-15 minutes doing similar activities and my wifi power usage was around 2%.
Also just an FYI I'm not in a strange wifi environment that creates any issues. I'm about 6 feet from my wifi hub and I noticed this usage today after work where wifi was between 50-60% of my total usage and that was on my work wifi.
Anyway I'd be really interested to hear if anyone is seeing a similar issue. I also created a ticket with Asus asking about this issue.
I hope you know that the stock battery stats are very unreliable. Under a better battery stats app, I've found that wifi isn't quite as consuming as apps, so I think the system stats are incorrect
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
ethion said:
Ok I think I found an issue with my infinity and need some confirmation. Here is the test. Charge tablet to full. I remove from charger and spend 10-15 minutes browsing the Web. Now check battery usage. Is Wifi your number on power drain? Here is what mine looks like.
Sent from my ASUS Transformer Pad TF700T using Tapatalk 2
Click to expand...
Click to collapse
My wifi doesn't even show up. My unit is fine..
Mine has it. I doubt its that big of an issue anyway.
Sent from my ASUS Transformer Pad TF700T using Tapatalk 2
xRevilatioNx said:
My wifi doesn't even show up. My unit is fine..
Click to expand...
Click to collapse
Your is what I'd expect. In fact you got 91% after two hours. That is better than my xoom. This explains why some people claim good performance and battery life. Mine will be below 90% in like 30 minutes usage.
I think there is a wifi issue and this might be a way of identifying bad tablets. I'll see what the ASUS support people say and post it here. The bad news is this looks like a hardware issue...
Before I completely get excited can you make sure your wifi is always on. Go to settings, wifi, advanced, make sure keep wifi on during sleep is always.
xRevilatioNx said:
My wifi doesn't even show up. My unit is fine..
Click to expand...
Click to collapse
I was just noticing that you tablet doesn't have the asus icons for back, home, tasks. Are you using a stock infinity for your screen shot?!!
ethion said:
I was just noticing that you tablet doesn't have the asus icons for back, home, tasks. Are you using a stock infinity for your screen shot?!!
Click to expand...
Click to collapse
The screenshot is also missing the "ASUS Customzied setting" menu option on the left, right under Apps. Looks like either custom ROM or not an ASUS tablet perhaps.
For what it is worth, I have noticed the same issue with my Wifi eating up tons of battery. I haven't done any tests, but it certainly feels like my battery is draining pretty quickly with Wifi on. It is certainly draining much faster than my TF101....I would expect that to be the case to some extent because of the processor and screen upgrade, but not this much. There is another thread going on TranformerForums about the same issue. Someone reported that leaving their device fully charged with Wifi turned on overnight had drained it down to 19% by morning, with no use.
Not sure yet if this is a real issue, but it seems strange that Wifi would use significantly more battery than Screen.
-Chris
Don't rely on the battery usage screen. It's not like it's got an ammeter coupled to every battery drain. It just calculates percentages based on the information it got, it's all guesswork and needs lot of calibration to be correct. The reason WiFi is blamed as the major drain is probably that it's running all the time (and its power usage might not be calibrated for the battery usage screen). The stats won't know at all if e.g. the kernel gets stuck in an infinite loop and drains the battery...
Personally, I only trust the info the battery usage screen gives me about apps. If an app has a high percentage, it's probably not right. The rest of the breakdown is mostly bogus.
firetech said:
Don't rely on the battery usage screen. It's not like it's got an ammeter coupled to every battery drain. It just calculates percentages based on the information it got, it's all guesswork and needs lot of calibration to be correct. The reason WiFi is blamed as the major drain is probably that it's running all the time (and its power usage might not be calibrated for the battery usage screen). The stats won't know at all if e.g. the kernel gets stuck in an infinite loop and drains the battery...
Personally, I only trust the info the battery usage screen gives me about apps. If an app has a high percentage, it's probably not right. The rest of the breakdown is mostly bogus.
Click to expand...
Click to collapse
Well something is eating battery fast.. I have my xoom and my infinity sitting side by side right now and my xoom is at 80% battery after 2:30 hours on while the Infinity is at 62% after 2:41 on. So the infinity is draining battery about twice as fast as my xoom. And the xoom shows the top battery usage as the screen where wifi isn't even making the list.
ethion said:
Ok I think I found an issue with my infinity and need some confirmation. Here is the test. Charge tablet to full. I remove from charger and spend 10-15 minutes browsing the Web. Now check battery usage. Is Wifi your number on power drain? Here is what mine looks like.
Click to expand...
Click to collapse
There are already some threads that discuss this topic. The battery meter has a bit of a bug where it shows the WiFi % based on how long the wifi has been connected rather than how much actual power it has used. Mine does the same thing with 85% battery atm but it has been running off of the charger for 1d 13h and still has 37% left.
It is a battery meter issue and not an energy drain issue.
Xoom is now 68% after 3:30
Infinity is now 50% after 3:40
ethion said:
Xoom is now 68% after 3:30
Infinity is now 50% after 3:40
Click to expand...
Click to collapse
Well, the Infinity has more hardware to give power to.
However, my Infinity is at 62% after 10 hours... Most (about 80%) of that time, it's been sleeping (but on), though. Did you actively use both your Xoom and Infinity during the reported time?
How does the detailed battery usage screen (touch the graph in the normal battery usage screen) look? Here's mine (the gap is a reboot):
Google services... Back in my day, these botnets ran silently.
Sent from my FHD porn machine.
firetech said:
Well, the Infinity has more hardware to give power to.
However, my Infinity is at 62% after 10 hours... Most (about 80%) of that time, it's been sleeping (but on), though. Did you actively use both your Xoom and Infinity during the reported time?
How does the detailed battery usage screen (touch the graph in the normal battery usage screen) look? Here's mine (the gap is a reboot):
Click to expand...
Click to collapse
Yes I've been kinda using them. I've had them in google plus and swipe around every once in awhile.
I left for lunch and turned them both off.
infinity is now at 40% and xoom is at 55%. a bit over 6 hours since both were pulled off the charger. Screen has been on over 4 hours.
Here is the current status of infinity 37 percent
Sent from my ASUS Transformer Pad TF700T using Tapatalk 2
Here is the picture of my xoom at 53%
From just eyeballing the two graphs it looks like the infinity sleeps better where my xoom is staying active constantly. None the less when the screen is on the infinity consumes power quite a bit faster.
It is clear that the xoom does quite a bit better on battery life than the infinity.
Mine does this too, but battery life is solid
Sent from my Jelly Beaned GNexus
Battery Drain
I just got mine yesterday and the battery drain is unexceptionable. I fully charged it last night and then was off and on it this morning before going to work. After getting into the office it was more than 50% drained and before lunch it was well below 30%. I have the TF101 and it hasn't been charged in two days and it is still at 79% with everything turned on.
I have not had a chance to look into this but I find that amount of drainage excessive.
On a side note I pretty much just have the stock apps running on this. I did just do a cold boot so I will see if that helps at all.
Rex
How long have you been able to extend the life of your battery per charge? What type of settings do you have your tablet setup as? What apps do you rely on for system stats. I play a lot of heavy graphic games like Modern Combat 3 other Gameloft/Tegra3 games. Titles that shows off the power of our tablets. I also love to stream movies/shows and YouTube.
So far the shortest life span has been about 4 hours on heavy gaming/light browsing/and light streaming for my use.
How long has yours been lasting you? (I would love to see pics from battery stats)
Here is mine this is the longest so far...
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CpuSpy:
My settings:
* Balanced mode
* Disconnect network during sleep activated
* GPS off
* Bluetooth off
* Auto sync off
* Screen Off 10 mins
* Brightness at %50 (Auto brightness off)
* Wallpaper: Photo no scrolling no live wallpaper
* (app) SetCpu: scaling Ondemand Max:1400 Min:100 Mhz (Root needed)
* (app) Cool Tool, to monitor cpu/system stats and battery temp set as widget
Edit: Forgot to mention that I discharged it to %0 until tablets shutdown on its own. I then charged to %100 and used Battery Calibration app (Root required) to calibrate my battery. Now getting 12hrs and more with the settings mentioned above.
Update: some of you including myself initially saw that the speeds would hang on 1500MHz or 1600MHz in my case. Which would drain our devices rather quickly. If your rooted, the way I fixed the issue of it hanging at 1600MHz was use Setcpu. Set it for Ondemand. Adjust it to Max:760MHz Min:102. It worked!! It stayed within those setting. You can now set it to your specs. Sometimes the system overrides your settings to accomplish a task that you are doing, but still much improved.
Sent from my ASUS Transformer Pad TF700T using XDA Premium App
Good question
The tab I have usually last about 7.5 hours.
Balanced power
WIFI always on
Bluetooth off
GPS on
10-12 apps in the background
Brightness a little below a third
Last night the battery dropped to 37% in just about 4 hours then it took 2 hours to drop below 30%.
I dunno why.
It is difficult for me to get an accurate reading as I put in on the dock on and off all day. With the dock I get a full day of constant use. I don't mind charging it every night. As long as it gets me through the day I am happy.
I'm hoping this won't get moved to Q&A so we'll get more responses.
I'm getting about 5 hours of screen on time at balanced with brightness 1/3 of the way up. Mostly browsing the internet with wifi on the whole time, Bluetooth off, GPS on. This is from 100% charge to 0%. Seems low, tried a cold reboot it didn't improve. Maybe improving slowly over time. Currently showing exactly 50% with 2 hours 42 minutes screen on time.
nonstop14 said:
I'm hoping this won't get moved to Q&A so we'll get more responses.
I'm getting about 5 hours of screen on time at balanced with brightness 1/3 of the way up. Mostly browsing the internet with wifi on the whole time, Bluetooth off, GPS on. This is from 100% charge to 0%. Seems low, tried a cold reboot it didn't improve. Maybe improving slowly over time. Currently showing exactly 50% with 2 hours 42 minutes screen on time.
Click to expand...
Click to collapse
So ever since I discharged it, until it shuts itself down. Charged it from %0 to %100 then used Battery Calibration app (Root needed) to reset battery stats. Now it seems to be lasting longer. Used to get on average 4 hours before that now 12 hours plus.
Sent from my ASUS Transformer Pad TF700T using XDA Premium App
Erratic battery life
In balanced mode, I have GPS and Bluetooth off, brightness at about 40% (auto brightness is off), wifi off about half the time, keep apps running to a minimum and tend to use the TF700 in the same manner every day. Battery life still varies significantly and 6-6.5 hours is typical although I did get about eight hours one time. Wide swings in battery life are common. If I do play a game, it's usually a simple arcade game and rarely for more than 30 minutes. The rest of the time is spent reading or on the web. A Kindle Fire lasted longer doing the very same things with the wifi on all the time.and screen brightness at a higher level.
Screen flicker in balanced and power savings mode is pronounced from the auto-dim/contrast feature and not something I would expect from a tablet at this price. If it's supposed to save power, it isn't working.
The drop in battery power isn't consistent and while wifi is always at the top of the list followed by the display, I've seen battery readings slowly and steadily decrease and then suddenly plummet without warning. At this point, if the battery reading is 20-30%, I can't take the TF700 anywhere without charging it first because the remaining battery power won't last very long. Battery power seems to drop like a rock at 25% and below.
The tablet is pretty close to ideal except for the battery and, given a choice, I would prefer a thicker and heavier tablet with a more powerful battery over a thin tablet. I'd be ok with eight hours of reliable battery life with wifi but it has to be available in one long session and without screen flickering. A tablet where eight hours of battery life is intermittently spread across three days doesn't work for me.
I posted this in another thread...
yumms said:
The reason for the low battery is this; Asus did not put a larger battery in Infinity compared to Prime.
Both devices have the exact same battery, but since Infinity runs at a higher clock speed and has a higher resolution screen, it drains the battery much much faster.
You can't really fix this with software. You can however lower the voltage with a custom kernel, making slightly improvement....but that'll also make the device unstable.
Click to expand...
Click to collapse
yumms said:
I posted this in another thread...
Click to expand...
Click to collapse
Definitely the higher resolution screen plays a major role. Along with a faster Tegra 3 Processor.
Sent from my ASUS Transformer Pad TF700T using XDA Premium App
I thought Jelly Bean was supposed to help extend the battery life.... "slightly".... by running processes differently...
I know it should increase graphics benchmarks a little...
Did I translate my readings incorrectly?
if i use it without the keyboard dock, i would get more battery life than my mac book air. but if i watch hd YouTube video or movies on it i will have more than twice the battery life then the macbook air
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
My battery life feels like it's too little, I've been wondering if I have a bad battery. I get about 4 hours of use but even with that, the battery only lasts a day, discharging 8 to10 % per hour while asleep. This is with minimal usage, mostly email, web and some photo work. It's like my smartphone which sits on the charger every night, except I never charge the TF700 overnight.
If I use the dock I get easy a full day with more than normal use. Fact is I don't think I could be using it more than 4 or 5 hours a day, just seems physically impossible. I've shut down all sync and wifi functions, no gps and nothing running in the background.
I'm gonna try the full discharge and 100% charge to see if that helps. My subjective opinion is that I'm getting about half the battery life as my TF101.
jjdevega said:
So ever since I discharged it, until it shuts itself down. Charged it from %0 to %100 then used Battery Calibration app (Root needed) to reset battery stats. Now it seems to be lasting longer. Used to get on average 4 hours before that now 12 hours plus.
Sent from my ASUS Transformer Pad TF700T using XDA Premium App
Click to expand...
Click to collapse
What is the battery calibration app your referring to? Also I think important part is screen on time.
HoushaSen said:
What is the battery calibration app your referring to? Also I think important part is screen on time.
Click to expand...
Click to collapse
Battery Calibration:
https://play.google.com/store/apps/details?id=com.nema.batterycalibration
Cool Tool - system stats:
https://play.google.com/store/apps/details?id=ds.cpuoverlay
I love this app! You can set it as a widget to keep an eye on your system from CPU, Processing speed, battery temp. I use it to keep an eye on Processing speed to make sure it's not acting up. When I first used Cool Tool I realized that for some reason I was constantly hitting 1600MHz under just normal browsing and viewing XDA!! Like it kept getting stuck. Which would explain why my battery only lasted 4 hours. After adjusting using Setcpu and Ezoverclock it's top off at 1400MHz Min of 102MHz and I've gotten better results and it no longer lingers at 1600 MHz
Sent from my ASUS Transformer Pad TF700T using XDA Premium App
bosotros said:
My battery life feels like it's too little, I've been wondering if I have a bad battery. I get about 4 hours of use but even with that, the battery only lasts a day, discharging 8 to10 % per hour while asleep. This is with minimal usage, mostly email, web and some photo work. It's like my smartphone which sits on the charger every night, except I never charge the TF700 overnight.
If I use the dock I get easy a full day with more than normal use. Fact is I don't think I could be using it more than 4 or 5 hours a day, just seems physically impossible. I've shut down all sync and wifi functions, no gps and nothing running in the background.
I'm gonna try the full discharge and 100% charge to see if that helps. My subjective opinion is that I'm getting about half the battery life as my TF101.
Click to expand...
Click to collapse
FWIW while my battery doesn't last long with the screen on, it doesn't drain much while asleep. I'm at all default settings, wifi always on, and I just picked up my Infinity 11 hours off the charger at 96% battery.
~~ how long is a string ? lol .....
jjdevega said:
Hello, .......
Edit: Forgot to mention that I discharged it to %0 until tablets shutdown on its own. I then charged to %100 and used Battery Calibration app (Root required) to calibrate my battery. Now getting 12hrs and more with the settings mentioned above.
Click to expand...
Click to collapse
Hiya JJ* .......... great post !
IMHO.... this question of 'battery life' is more like 'how long is a string?' question .....< sorry for this pun>
I am glad JJ* mentioned that the BATTERY NEEDS TO ME FULLY DISCHARGED ....
This is ONE VERY IMPORTANT and a KEY STEP.....
few yrs ago; when i had a working life <lol now am retired dude and lovin it> ...i happen to get assigned to do lots of work on "BATTERY LIFE" for CMOS & NORMAL POWER use in laptops (sorry cannt do mfgr;s names etc) ...........
I found that ( discharge is THE MOST CIRITICAL STEP ) is keepin that battery - life and reduce 'discharge rate'.....< providing all other usage factors were kept even/equal>
Another tip I found usefull -
Uninstall / Shut down any "APPS" that you dont use often - or hardly use
SHUT DOWN non -needed running apps >>hit TaskManager often and shut off RUNNING APPS ( i even shut down things like GSTORE etc etc ) .. and often amased how much differance it makes ..
so I will be posting my status and pictures soon ... to help towards some 'benchmarks' soon...
on average - I dont need charging untill OVERNIGHT - and mine is used 12-16hrs a day ( with dock though )
There is a 'sticky topic' on BATTERY saving tips ... on this forum
jjdevega said:
Cool Tool - system stats:
https://play.google.com/store/apps/details?id=ds.cpuoverlay
I love this app! You can set it as a widget to keep an eye on your system from CPU, Processing speed, battery temp. I use it to keep an eye on Processing speed to make sure it's not acting up. When I first used Cool Tool I realized that for some reason I was constantly hitting 1600MHz under just normal browsing and viewing XDA!! Like it kept getting stuck. Which would explain why my battery only lasted 4 hours. After adjusting using Setcpu and Ezoverclock it's top off at 1400MHz Min of 102MHz and I've gotten better results and it no longer lingers at 1600 MHz
Sent from my ASUS Transformer Pad TF700T using XDA Premium App
Click to expand...
Click to collapse
With this tool it's "nice" to see that my device is always running at 1500 MHz while surfing the web or reading in XDA/Tapatalk.
So the battery drains very fast here -. - The keyboard dock can't load the Pad while using it !!!
What could happen to my Device? Broken CPU or an App which is fail?!
Help me please guys
FAbi
Fabipro said:
With this tool it's "nice" to see that my device is always running at 1500 MHz while surfing the web or reading in XDA/Tapatalk.
So the battery drains very fast here -. - The keyboard dock can't load the Pad while using it !!!
What could happen to my Device? Broken CPU or an App which is fail?!
Help me please guys
FAbi
Click to expand...
Click to collapse
Are you rooted? If so use setcpu and change the max to something smaller then 1500MHz try 1300MHz and see if it changes. You may just need to get it unstuck. Same thing happened to me and after changing the value it now cycles normally from min/max
As far as your Dock. I'm not quite sure what you're saying. What is it doing when you connect the dock? Are you able to type with it? Is your settings for the dock correct?
In order for the dock to function correctly the default keyboard should be the Asus Keyboard under Settings/Language & input/Keyboard and input method/Default/Asus Keyboard
Brought to you by my Asus TF700T
Speaking of the dock, I really think the TF101 did a better job utilizing the extra battery. On the TF101 the dock battery charged the tablet battery as long as they were connected. This meant I could use the dock like a cover and when I get to where I'm going the tablet is at 100%. I use it down to 80 or 90% and when I get to my next stop it's at 100% again. The TF101 dock never discharges farther than 3% but it keeps the tablet at 100% all the time it can.
My TF700 with dock lets the tab get down to around 76% before it even starts charging. If I take it out after driving for an hour it will still be discharged the same as if it wasn't connected. In addition to this behaviour it also seems like the dock discharges itself rather rapidly. At times I watch the tablet and the dock both discharge at the same time. This never happened with the TF101.
I should add: I'm using a stock TF201 dock (99$ BB score). Don't know if the ones badged TF700 work any different.
Fabipro said:
With this tool it's "nice" to see that my device is always running at 1500 MHz while surfing the web or reading in XDA/Tapatalk.
So the battery drains very fast here -. - The keyboard dock can't load the Pad while using it !!!
What could happen to my Device? Broken CPU or an App which is fail?!
Help me please guys
FAbi
Click to expand...
Click to collapse
Mine isn't on 1500 always but its there a lot while browsing. Basically anytime chrome is doing anything, even now typing this. When its just idly displaying a page that's already rendered it'll drop down to 475 then 102 until I scroll. Is this normal?
nonstop14 said:
Mine isn't on 1500 always but its there a lot while browsing. Basically anytime chrome is doing anything, even now typing this. When its just idly displaying a page that's already rendered it'll drop down to 475 then 102 until I scroll. Is this normal?
Click to expand...
Click to collapse
Yes its normal. It does its best to optimize it's cores for the smoothest experience. Although with the Infinity and ICS it gets confused at times since its not optimized like it should. Jelly bean project butter is suppose to eliminate and optimize our power house tablet like its doing with the Nexus 7 running JB. Cant wait for it to drop!
Brought to you by my Asus TF700T
OK, so now I am flashing ROMs here and there, am I right in saying that I need to keep my battery calibrated in the software? Does it need to know where 0% and 100% is eery time I flash a brand new ROM?
Thanks,
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
mdemons12 said:
OK, so now I am flashing ROMs here and there, am I right in saying that I need to keep my battery calibrated in the software? Does it need to know where 0% and 100% is eery time I flash a brand new ROM?
Thanks,
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
Click to expand...
Click to collapse
My experience has been that you need to let the battery cycle through a few times (not to zero, though) and it will adjust. I'm not sure that calibration actually works. You could just flash a new rom when fully charged and wipe battery stats in "advanced" and that might help.
There's a nice app in the Play Store called Battery Calibration that will do this for. I run it after the first full charge after flashing a new rom.
https://play.google.com/store/apps/details?id=com.nema.batterycalibration
Sent from my HTC Sensation using xda premium
Why shouldn't I go right down to 0?
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
mdemons12 said:
Why shouldn't I go right down to 0?
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
Click to expand...
Click to collapse
I think that it's not good to discharge lithium ion batteries all the way...better to top them off.
okantomi said:
I think that it's not good to discharge lithium ion batteries all the way...better to top them off.
Click to expand...
Click to collapse
IMO, Nothing wrong about it. As long as you don't do it every time you charge your tablet it won't kill your battery. It serves as a way to reset/resync your device. In my experience discharging it until the device auto shuts down then charge too 100% then use Battery Calibration has extended my playing time with my Infinity. The overall health of my battery is still very solid. I've been doing it like this for a couple of years now with all the tablets/phones I've owned.
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
battery life
So what ya saying is let it played out til the battery dies couple time or what?
That's what I think you have to do, just so the software knows where 0% is
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
dough30i said:
So what ya saying is let it played out til the battery dies couple time or what?
Click to expand...
Click to collapse
Yes. Let it shut down on its own. For best result, once it shuts down plug it in. It will boot up. Turn off the screen and leave it charging till its at 100% You can then use Battery Calibration or unplug it. What I found out in my experience to keep the battery healthy after is to make sure to charge it within a certain percentage. For me I wait till 20% to charge sometimes 15% when I get a warning to plug it in. If whenever I mess up on a charge and it unplugs before a full charge, I will just leave it unplugged and discharge it once again.
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
okantomi said:
My experience has been that you need to let the battery cycle through a few times (not to zero, though) and it will adjust. I'm not sure that calibration actually works. You could just flash a new rom when fully charged and wipe battery stats in "advanced" and that might help.
Click to expand...
Click to collapse
Wiping battery stats is completely useless. Here's a post from Dianne Hackborn official Android developer on this topic.
https://plus.google.com/105051985738280261832/posts/FV3LVtdVxPT
Sent from my Galaxy Nexus using xda premium
Well it seems to be getting a little better but still I am not looking at 9 hours and probably more like 6.5 which is far from what I would like. Would I keep just going from 100 to 0 until I see some good results ? Its getting to nearly a week old now and the battery is hardly any better than when I out it. I am sill thinking its cos I was flashing the rooms. Flashed to he Zeus and back a couple of times now. I am now on stock. I am pretty sure its not because I turned it straight on with the 15% they gave me and charged it from there instead of charging for 8 ours or whatever hey say.
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
And to add to the problems, it seems Asus for the life of them cannot figure out how to attach a screen to the main body. Right down my left side is that annoying clicking noise, worse than my second prime, not as bad as he first. Tap the home button, squeak, anywhere in the top left corner, squeak. So annoying. I guess I will just have to see how it pans out because even though unlocking the deice has nothing to do with this, my warranty is gone. Maybe someone will figure out how to open the device and figure out how to reattach the screen. 3 tablets, same problem, just ridiculous.
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
mdemons12 said:
And to add to the problems, it seems Asus for the life of them cannot figure out how to attach a screen to the main body. Right down my left side is that annoying clicking noise, worse than my second prime, not as bad as he first. Tap the home button, squeak, anywhere in the top left corner, squeak. So annoying. I guess I will just have to see how it pans out because even though unlocking the deice has nothing to do with this, my warranty is gone. Maybe someone will figure out how to open the device and figure out how to reattach the screen. 3 tablets, same problem, just ridiculous.
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
Click to expand...
Click to collapse
Its not a matter of figuring it out. Its just like the Prime on how to open it. The question is, who is willing to open there Infinity. Erusman, from the Prime forum undertook that and in the end was able to fix light bleed and modded his tablet for better wifi/gps. Although it kinda looks like Frankenstein, it worked. The light bleeding was just a matter of the screws all along the display was too tight which caused stress on the screen. After he loosened the screws, it eliminated the light bleed completely. I'm pretty sure it is the same situation with our Infinity's.
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
Aside from that shocking problem, here are my current battery stats. It seems extremely quick to charge. I though it was supposed to take at least 3 hours. I seem to be well under that.
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Sent from my ASUS Transformer Pad TF700T using xda app-developers app
jjdevega said:
Yes. Let it shut down on its own. For best result, once it shuts down plug it in. It will boot up. Turn off the screen and leave it charging till its at 100% You can then use Battery Calibration or unplug it. What I found out in my experience to keep the battery healthy after is to make sure to charge it within a certain percentage. For me I wait till 20% to charge sometimes 15% when I get a warning to plug it in. If whenever I mess up on a charge and it unplugs before a full charge, I will just leave it unplugged and discharge it once again.
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
Click to expand...
Click to collapse
In 4 to 5 hrs the most that's when I watch movie and TV straight full charge and even in power saving mode 30% dim no blue tooth sync off, I thought I were getting 8hrs, nope I was wrong, unless I'm doing something wrong here or need calibrating the battery right idk.
Nebucatnetzer said:
Wiping battery stats is completely useless. Here's a post from Dianne Hackborn official Android developer on this topic.
https://plus.google.com/105051985738280261832/posts/FV3LVtdVxPT
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
Looks like you and I are alone in this forum on this. I have tried explaining this to people around the web but no one listens. Check how everyone just ignored your post. Not sure if I should laugh or cry.
It's simply reading the voltage from the battery, and that's it. There's no magic behind it. Calibration is useless.
So why do batteries need to be worn n after new roms?
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
jjdevega said:
IMO, Nothing wrong about it. As long as you don't do it every time you charge your tablet it won't kill your battery. It serves as a way to reset/resync your device. In my experience discharging it until the device auto shuts down then charge too 100% then use Battery Calibration has extended my playing time with my Infinity. The overall health of my battery is still very solid. I've been doing it like this for a couple of years now with all the tablets/phones I've owned.
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
Click to expand...
Click to collapse
There is something wrong about it. Li-Ion batteries lose max capactiy every time you let them go down to 0%. You should only fully cycle 1 time upon receiving your TF700 in order to calibrate the battery. After that, you should always top off.
Case in point: my dock maxes out at 96-97% now after being dissipated down to 0% about 10-20 times. My Tablet however still goes to the full 100%. My old Samsung Netbook had its Li-Ion battery completely discharged on accident for about a month when I was on vacation. It lost like 10% of its rated run-time when I recharged it. Do NOT let your Li-Ion batteries go to 0% if you can avoid it.
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
maedox said:
Looks like you and I are alone in this forum on this. I have tried explaining this to people around the web but no one listens. Check how everyone just ignored your post. Not sure if I should laugh or cry.
It's simply reading the voltage from the battery, and that's it. There's no magic behind it. Calibration is useless.
Click to expand...
Click to collapse
Well you know everyone likes to believe that some fairy dust makes their phone faster .
Sent from my Galaxy Nexus using xda premium
I heard that it doesn't discharge to 0% it shuts down before it gets to low to function. Your right one or two times is plenty good enough.
Sent from my ASUS Transformer Pad TF700T using xda app-developers app