Hi
The problem with my TF700 is that when battery reaches around 24-25% it switch off automatically! And i needed to plug charger and let it to be charged, then turn it on!!
Usually happens while i am using wifi! Anyone have the same issue?! Do you have any suggestion?! What should i do? Please help!
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Do you have battery saver enabled? (not the cpu mode, the option under Settings).
Could be your battery needs a calibration, try this if you're rooted.
ShadowLea said:
Do you have battery saver enabled? (not the cpu mode, the option under Settings).
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Yes, it is set to 15% but actually it does not reach that level!
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I'm curious I recalibrated my battery to last longer I usually lost around 7-10 percent over night. Now after calibration I only lost 3% and this is what my consumtion was and was curious is this normal or good. I'm getting 43% cell standby, 40 phone idle, 15% display and 2% OS. I was going to post a pic but is not letting me right now.
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With my stock rom, I usually use about 3% over-night when the phone is shut-off.
So, either the stock batteries suck, or "off" doesn't really mean "off." I'm assuming the latter, since we have to pull the darn battery to get a true reset.
3% overnight sounds reasonable. Same here.
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zuriken said:
With my stock rom, I usually use about 3% over-night when the phone is shut-off.
So, either the stock batteries suck, or "off" doesn't really mean "off." I'm assuming the latter, since we have to pull the darn battery to get a true reset.
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Maybe you have fast boot on. Or it sucks up a lot of juice just turning it on
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codyperez86 said:
Maybe you have fast boot on....
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Sure do (enabled by default). I'll switch it off tonight and see if the percentage changes in the morning.
so is fast boot something we want on or off?
I look at fast boot as hiberateing. Take that off and I believe your phone will actually shut down all the way. Fast boot is fast boot. After shutting it off and turning it back on and starts up quicker. Sounds like something that would suck a little bit of battery life over night.
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With fastboot disabled and the phone shut off, you should see 0% to maybe 1% battery drain overnight.
henrybravo said:
With fastboot disabled and the phone shut off, you should see 0% to maybe 1% battery drain overnight.
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Yeah I think its from powering down and back up that's it.
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To recalibrate it I just powered up to 100% powerdown, unplug chord reboot into recovery go to advance and go to wipe battery bin. Reboot amd you should have a more accurate battery %. You should 4.2V at 100%
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3% is more than reasonable.
I lose like 1% per ~2 hours standby with active 3G data connection, and gmails pushing emails.
Hey
It is my first post so please be nice.
When I completly shut down my TF 700 it is off. So I thought. But it still drains the battery. It uses about 10% in 24h. This happens when it is in the dock. Im not sure if this occurs when not in the dock.
See y'all.
Check the "ASUS Customized Settings --> Mobiledock battery saving mode" setting. Right at the bottom of the ASUS settings. Also check the "Disconnect network during sleep" setting.
Both settings should be on to increase batter life.
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Hawkmo0n said:
Check the "ASUS Customized Settings --> Mobiledock battery saving mode" setting. Right at the bottom of the ASUS settings. Also check the "Disconnect network during sleep" setting.
Both settings should be on to increase batter life.
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
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Thats all checked. The point is how can a shut down device drain the battey. When I turn out my Galaxy S2 it wont consume 10% battery in 24h. More like 1% in 7 days off.
usern ameisval idandnot said:
Thats all checked. The point is how can a shut down device drain the battey. When I turn out my Galaxy S2 it wont consume 10% battery in 24h. More like 1% in 7 days off.
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You might have a defective battery. I had the same problem with my first OG Transformer dock battery. It would completely discharge in 2-3 days without being used. Once I replaced it I did not have a problem.
No it wasnt the battery. My son stole it when I was sleeping. That little bastard. :laugh:
usern ameisval idandnot said:
No it wasnt the battery. My son stole it when I was sleeping. That little bastard. :laugh:
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Lol that's one of the best reasons for a unusual battery drain I've seen so far.
My tf700 sometimes drops to 97% while using it charged, is this normal?
I haven't had this happen, but I wouldn't say it's abnormal yet. Try letting the tablet die, then fully charge it with it off. Then letting it die again. Hopefully it should get your battery back to normal.
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nlunlun said:
My tf700 sometimes drops to 97% while using it charged, is this normal?
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Yes. Trying to keep a Li-ion battery at 100% charge all times is bad for the battery.
Yes that's normal. The charger only charges to 100% when sleeping. Every other time it goes to 97% to spare the battery, plus usage eats about 3% anyway.. (Lithium-Ion batteries live longest when kept between 60 and 90%. Fully draining and charging is actually rather bad for it. The only reason you do it once or twice is to recalibrate the battery-level indication.)
It is very difficult to fully drain a mobile devices battery. Notice if you attempt to power the device on it after it "dies", it will notify you the battery is too low, thus the battery is never "empty".
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thanks for answering!
ShadowLea said:
Yes that's normal. The charger only charges to 100% when sleeping. Every other time it goes to 97% to spare the battery, plus usage eats about 3% anyway.. (Lithium-Ion batteries live longest when kept between 60 and 90%. Fully draining and charging is actually rather bad for it. The only reason you do it once or twice is to recalibrate the battery-level indication.)
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It does go to 100% and sometimes drops to 97% though.
nlunlun said:
It does go to 100% and sometimes drops to 97% though.
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Do you have WiFi enabled when it drops?
ShadowLea said:
Do you have WiFi enabled when it drops?
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Yes, it's enabled and on performance mode. Is it just my tablet?
Ive seen that my TF700T does the same thing.
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nlunlun said:
Yes, it's enabled and on performance mode. Is it just my tablet?
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Ah, there we have it. WiFi drains the power like a vampire. (The folklore kind, not the sparkly ones. ) That's what's causing the drops, with WiFi on the battery lasts about 3-4 hours as opposed to 9. Performance mode spikes the CPU from 1.5ghz to 1.8ghz, and that also drains more power.
There's nothing wrong with your tablet's battery.
Hey.
So yesterday at night I was chatting with my friend and suddenly my cell hanged, at that time my cell's battrey was 40%+. Then i removed battrey and restarted cell and at that time battrey dropped down to 5% :| After 1 more reboot battrey was 31%.
Please some one help! :\
virusshah1997 said:
Hey.
So yesterday at night I was chatting with my friend and suddenly my cell hanged, at that time my cell's battrey was 40%+. Then i removed battrey and restarted cell and at that time battrey dropped down to 5% :| After 1 more reboot battrey was 31%.
Please some one help! :\
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Discharge your battery completely. Recharge it to 100% without breaks and without turning it on. Dont remove the charge, turn on the phone now. After you see lockscreen, diconnect the charger and you'll be fine
Junior Einstein said:
Discharge your battery completely. Recharge it to 100% without breaks and without turning it on. Dont remove the charge, turn on the phone now. After you see lockscreen, diconnect the charger and you'll be fine
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I don' have charger, I am using USB cable. :\
I tried that but it stucked at 60%, from 30minutes it was at 60%. Now i am flashing a new rom! :\
Use the app battery calibration or wipe battery stats, when your phone is completely charged
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Use zepelinrox's battery calibration script.
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Left4DeadMW said:
Use zepelinrox's battery calibration script.
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Link?
On phone so can't.
Search xda or google for:
-v6 supercharger
-zepelinrox
In v6 supercharger thread, download section, you will find Battery Calibration.pdf file, yes says pdf but it's script file.
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i got crazy ...my battery drain very fast.
when it comes to 95% i turn off phone wait 2 min then restart and my battery become 100%?>
why its happend and what can i do?
yersterday i had 92% i turn phone off wait 2 min and restart then it was 99% any help or solution?
Lol, battery is just not calibrated. It just takes a few charge cycle to start reading the battery accurately.
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sol_671 said:
Lol, battery is just not calibrated. It just takes a few charge cycle to start reading the battery accurately.
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thx ...do i need to use battery calibration or it will clibrate by itself?