[Q] 20% drain in 1 hour while reading a PDF? - Asus Eee Pad Transformer Prime

Hey guys,
I just spent an hour puzzling over how this could drain 20% in an hour while simply reading a PDF (ezPDF reader, screen on, flipping pages every 2-3 minutes) with auto brightness on, wifi on with a strong connection - not downloading or doing anything in the background.
Charging for an hour on the dock too, it's up to 90% but killed half of my dock's battery.
I had MUCH better battery life on .14 with my BC0K s/n tablet (this is a C10), but I got this one the day .15 was released so I have nothing to compare against.
Do you guys think I'm having these issues with .15 or could it be a h/w issue? Don't want to unlock and try virtuous if I have a lemon battery.
Sent from my Transformer Prime TF201 using XDA Premium HD app

You'd want to look at the stats to see what exactly is draining the battery. I've used ezPDF to read PDF for two hours undocked with the screen constantly on and not getting anywhere close to that amount of drain.
I'm also on .15 by the way.
Sent from my Galaxy Nexus using Tapatalk

Chrono_Tata said:
You'd want to look at the stats to see what exactly is draining the battery. I've used ezPDF to read PDF for two hours undocked with the screen constantly on and not getting anywhere close to that amount of drain.
I'm also on .15 by the way.
Sent from my Galaxy Nexus using Tapatalk
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Click to collapse
what stats specifically?
Sent from my Transformer Prime TF201 using XDA Premium HD app

.15 massacred my battery too.
I ended up unlocking and flashing virtuous (.14) which fixed the problem for the most part.
if you can't unlock - there's a riskier method of downgrading in the development forum.

nhshah7 said:
what stats specifically?
Sent from my Transformer Prime TF201 using XDA Premium HD app
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Click to collapse
Hmm I was gonna say the battery stats in the settings, but it seems the feature is broken on my Prime so chances are it's broken for you too... There might be some apps on the market that lets you see how much power each app is using but I haven't used one. Anyone has any idea?
Sent from my Transformer Prime TF201 using Tapatalk

Related

"Battery usage data not available"

Anyone else seeing this? After numerous reboots and several discharges this has not changed. The usage graph is accurate though.
TF201 / XDA premium
tdrussell said:
Anyone else seeing this? After numerous reboots and several discharges this has not changed. The usage graph is accurate though.
TF201 / XDA premium
Click to expand...
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Mine is the same
Same here
Sent from my Transformer Prime TF201 using Tapatalk
Same here it is kind of annoying.
The original Transformer had that problem as well until an update.
Sent from my SPH-D710 using Tapatalk
same here...guess we have to wait for the new update...is there any other apps that can tell us the battery usage?
iambryantho said:
same here...guess we have to wait for the new update...is there any other apps that can tell us the battery usage?
Click to expand...
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I use Battery Monitor Widget Pro, but it may depend on the OS for its info rather than reading the hardware. In which case it won't help you.
Tap on the graph. It expands it and shows details. I have no idea why it can't display it in collapsed mode though.
Sent from my Transformer Prime TF201 using xda premium
Bimboy said:
Tap on the graph. It expands it and shows details. I have no idea why it can't display it in collapsed mode though.
Sent from my Transformer Prime TF201 using xda premium
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Click to collapse
That shows different data. This is definitely a bug...

How low wil the prime go?

How low can it go? Ive ben trying to drain the battery all day and its finallydown to 3% at the time of this post. Is this thing going to go right to zero or what. So far i got 32 hours in balanced mode. I used it for mainlyforum browsing and a game or 2. But i just leave it on overnight so that accounts for about 10 hours.
Sent from my Transformer Prime TF201 using xda premium
droidx2.3.3 said:
How low can it go? Ive ben trying to drain the battery all day and its finallydown to 3% at the time of this post. Is this thing going to go right to zero or what. So far i got 32 hours in balanced mode. I used it for mainlyforum browsing and a game or 2. But i just leave it on overnight so that accounts for about 10 hours.
Sent from my Transformer Prime TF201 using xda premium
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Click to collapse
It will go all the way to 0 the battery is impressive
Yup. ^^^^ it sure did. The screenshot shows it about 45 seconds before it shut down. I actually saw it sat zero for a second or two the it shut off.
Sent from my DROIDX using xda premium
droidx2.3.3 said:
Yup. ^^^^ it sure did. The screenshot shows it about 45 seconds before it shut down. I actually saw it sat zero for a second or two the it shut off.
Sent from my DROIDX using xda premium
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What time/weather wiget is that?
MrGiggles said:
What time/weather wiget is that?
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That is HD Widgets. I got it during the 10ยข sale they had a while ago. I love it.
Sent from my DROIDX using xda premium
droidx2.3.3 said:
Yup. ^^^^ it sure did. The screenshot shows it about 45 seconds before it shut down. I actually saw it sat zero for a second or two the it shut off.
Sent from my DROIDX using xda premium
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Can I recommend elixir2 instead of that widget with the temperature and battery elixir is so much nicer
tylermaciaszek said:
Can I recommend elixir2 instead of that widget with the temperature and battery elixir is so much nicer
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like this
Or like this
Great battery life and charges in 3hrs! My GT 10.1 has great batt life to but charge time was a good 8hrs. It took forever!
Sent from my Transformer Prime TF201 using Tapatalk

Prime Dock not discharging?

Just got my keyboard dock and for some reason the battery will not discharge to my prime. I got it out of the box, charged it for 8 hours, installed the firmware update, and it will not charge the device. Down in the bottom corner I see the icon that shows the keyboard should be chargeing the prime but the stock battery widget as well as dual battery widget are showing only the device discharging which the dock is remaining at 98%. Anyone else having this issue? Think its just a defective unit? The dock is securly connected and every other function works.
Any help would be appreciated.
-Quix
It will start charging after the tablet gets to around 70%
Sent from my Transformer Prime TF201 using Tapatalk
x2
Sent from my Transformer Prime TF201 using xda premium
jyan_osu said:
It will start charging after the tablet gets to around 70%
Sent from my Transformer Prime TF201 using Tapatalk
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x3
I though that was pretty weird at first too.
Thanks.. mine has the same, but why does it do that? The TF101 doesn't work that way too. It isn't really nice imho.

Battery Life on Prime

So I searched the Q&A section but couldn't find my problem exactly so I thought I would ask. I leave my prime attached to the ASUS keyboard dock all the time. I will charge it while it is on overnight (so both the tablet battery and the dock battery show 100%), but 2 days later the battery is 100% dead and I haven't even used the tablet! The ASUS power setting is set to Balanced, and the MobileDock Batter Saving Mode and Disconnect network during sleep are also both checked. I am stumped.
I have attached a screen shot of what the battery graph shows, and it is quite weird to me.
Any help would be appreciated!
Thats really weird seems like a defective battery but definetly give your prime a cold boot that always seems clear up and problems for me.
Sent from my Transformer Prime TF201 using xda premium
ian1 said:
Thats really weird seems like a defective battery but definetly give your prime a cold boot that always seems clear up and problems for me.
Sent from my Transformer Prime TF201 using xda premium
Click to expand...
Click to collapse
Forgive my ignorance, but what do you mean by a cold boot? When the battery dies, it is fully shut down, so it always starts from a completely shut down state. Thanks!
So I just figured out something interesting. I opened my tablet today and again it was dead, or at least was off and wouldn't turn on. So, I took it off the keyboard dock, and wouldn't you know it turned on!! It is at 54% but the tablet battery is fine. I think the dock may be bad. Anyone else have a problem with the docks?
Sent from my Transformer Prime TF201 using xda premium
spongers said:
So I just figured out something interesting. I opened my tablet today and again it was dead, or at least was off and wouldn't turn on. So, I took it off the keyboard dock, and wouldn't you know it turned on!! It is at 54% but the tablet battery is fine. I think the dock may be bad. Anyone else have a problem with the docks?
Sent from my Transformer Prime TF201 using xda premium
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you (and everybody else running ics on prime) have sod. Do a search here. it only happens when docked. if you hold the power button for 20seconds or thereabouts it will reboot and you will be fine.
whycali said:
you (and everybody else running ics on prime) have sod. Do a search here. it only happens when docked. if you hold the power button for 20seconds or thereabouts it will reboot and you will be fine.
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Hey Cali, what should I search for? I tried searching but couldn't find anything.
Sent from my SCH-I535 using xda premium
spongers said:
Hey Cali, what should I search for? I tried searching but couldn't find anything.
Sent from my SCH-I535 using xda premium
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Click to collapse
http://forum.xda-developers.com/showthread.php?t=1487516
http://forum.xda-developers.com/showthread.php?t=1444084&highlight=sleep+of+death

Horrible battery life

Its losing a percent every 5 mins DA crap
Sent from my Nexus 10 using xda premium
KindleFireGuy said:
Its losing a percent every 5 mins DA crap
Sent from my Nexus 10 using xda premium
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If you expect a bit more help from other forum maybe a little bit more detail would help. Or you are just trolling.
Sent from my Nexus 10 using Tapatalk HD
Assuming the battery is drained at a rate of 1% every 5 minutes, you are going down 12% per hour, which equates to 8.3 hours of battery life. What's the problem again?
KindleFireGuy said:
Its losing a percent every 5 mins DA crap
Sent from my Nexus 10 using xda premium
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Is this happening when sitting idle and the screen is off? That would be a problem. However, as the above post was kind enough to do the math, 8+ hours of use/screen-on time is good.
Buck1969 said:
Assuming the battery is drained at a rate of 1% every 5 minutes, you are going down 12% per hour, which equates to 8.3 hours of battery life. What's the problem again?
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Still on the low side IMO. The only time I have seen it drain that fast is with 50% or more screen brightness while playing Need For Speed at 1.7GHz and an overclocked GPU.
No I have screen on
Sent from my Nexus 10 using xda premium
EniGmA1987 said:
Still on the low side IMO. The only time I have seen it drain that fast is with 50% or more screen brightness while playing Need For Speed at 1.7GHz and an overclocked GPU.
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Click to collapse
I can kill the battery in around 3 hours running a game at full brightness
Lol I'm happy when I get 6 hours+ screen time on below 50% brightness and normal usage (browsing, watching movies, very light gaming occasionally).
Were you guys getting better battery life after a few cycles? My battery life so far is not amazing around 5% drop a minute just browsing on wikipedia researching, so its not even heavy browsing
Sent from my Amaze 4G using xda app-developers app
---------- Post added at 03:41 PM ---------- Previous post was at 03:40 PM ----------
When I play shadow gun it drops every 2-3 min or so
Sent from my Amaze 4G using xda app-developers app
My battery life has improved quite a bit by flashing the KTmana kernel and underclocking the CPU.
I usually get about 2 days of usage with 7+ hours of screen time on mine before I worry about plugging it in. I have my brightness at the lowest setting the entire time, which I'm sure helps, but there just doesn't seem to be a need for me to have it any brighter.
I sold mine and got this
Sent from my ASUS Transformer Pad TF700T using xda premium
KindleFireGuy said:
I sold mine and got this
Sent from my ASUS Transformer Pad TF700T using xda premium
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Really bad move in my opinion, unless they fixed the memory performance problems
They haven't fixed them that much, besides unlocking and installing a new kernal.
Sent from my VS840 4G using Tapatalk 2
KindleFireGuy said:
I sold mine and got this
Sent from my ASUS Transformer Pad TF700T using xda premium
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I sold that exact tablet for this and haven't looked back for a second. Incredibly slow system and the only way to bandaid it is by unlocking your boot loader which voids your warranty.
The only thing that tablet has over this in my opinion is it charges 10x quicker, and the tablet UI is a lot nicer.
However its your money. You should be the only one who cares. If your happy with that tablet over an N10 then good! The N10 is far from perfect.
Sent from my SCH-I535 using xda app-developers app
KindleFireGuy said:
No I have screen on
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Buck1969 said:
Assuming the battery is drained at a rate of 1% every 5 minutes, you are going down 12% per hour, which equates to 8.3 hours of battery life. What's the problem again?
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I don't think much more needs to be said.
Sent from my Nexus 10 using XDA Premium HD app

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