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Battery Problems 2 10.1

Posted 01 August 2012 - 08:18 AM (#1) User is offline   Larkspeed 

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I received my very first Tablet yesterday.

Galaxy Tab 2 10.1 Wifi

Can anyone tell me what the battery charge time should be.

When we took it out of the box it's battery was at 72%

We used it for a bit learning our way around it and trying some games and when I put it on charge 7 hours ago and it was at 40%

It has not been used the whole time it has been on charge and the battery now reads 82%

That seems like an excessively long charge time to me
Galaxy Tab 2 10.1 GT-P5110 Android 4.0.3

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Posted 01 August 2012 - 08:36 AM (#2) User is offline   wizz 

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It will probably get better with use, as the Tab calibrates the battery charge rate.....

Also see this...

http://www.thegalaxy...dpost__p__26629
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Posted 01 August 2012 - 10:20 AM (#3) User is offline   Larkspeed 

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ok thanks for that. I'll just have to give it a while to even out
Galaxy Tab 2 10.1 GT-P5110 Android 4.0.3

Posted 01 August 2012 - 11:46 AM (#4) User is offline   Moderator Blast 

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That does sound a long time to me. Try the following for a while and report back.
http://www.thegalaxy...dpost__p__27477
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Posted 07 August 2012 - 03:46 AM (#5) User is offline   cdnz 

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Hi, just purchased my new Samsung Galaxy Tab 2 10.1 and not sure how long I should be charging for initially. It doesn't say in the manual and also can I use it while its charging for the first time?
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Posted 07 August 2012 - 07:03 AM (#6) User is offline   Moderator Blast 

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Most tabs off the shelf seem to have quite a bit of residual charge but it's always best to fully charge before first use. The tab will beep at you when it is charged and I expect it will take no more than 4 hours. Avoid using it while on charge as that will add additional warmth to the battery.

Try this the first time....
http://www.thegalaxy...dpost__p__27477
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Posted 31 December 2012 - 06:59 AM (#7) User is offline   wongliyo 

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hey.. when my gtab 2 off, take a long time to charge the battery. Within 5 hours only 40% filled. But when my gtab 2 on, within 5 hours fully charged. Is this the same as yours?
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Posted 31 December 2012 - 08:17 AM (#8) User is offline   Spikes 

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4hrs from 20% when switched off to 100%


Note 10.1 2014 LTE/WiFi
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Android 4.4.2 stock Nordic

I9500 rooted Stock 4.4.2

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Posted 31 December 2012 - 08:35 AM (#9) User is offline   wizz 

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View Postwongliyo, on 31 December 2012 - 06:59 AM, said:

hey.. when my gtab 2 off, take a long time to charge the battery. Within 5 hours only 40% filled. But when my gtab 2 on, within 5 hours fully charged. Is this the same as yours?

It should be the other way round.... Your Tab should charge quicker when shutdown, than when it's on.....

For fastest charge kill all running programs, apply the mains charge, and then shut down...
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Galaxy Tab 3 8.0 wifi (SM-T310) Kitkat 4.4.2

Posted 01 January 2013 - 04:03 AM (#10) User is offline   ThatTabGuy 

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The Tab2 takes 3.5 hours to recharge. That is with ALL conditions present: Screen off, little to no Wi-Fi/3G activity, all programs killed, and not touched during recharge.

That's the unfortunate downside to these tabs. They last long under use, but take forEVER to recharge.
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Posted 05 January 2013 - 09:54 PM (#11) User is offline   zpaulg 

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8 hours!
Galaxy Tab 2 10.1. Wifi only 5110. Android 4.1.1

Posted 06 January 2013 - 12:50 AM (#12) User is offline   ThatTabGuy 

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For me it takes 3.5 hours to charge. 9 hours of hard use before i have to charge it again. Thanks Blast for the additional info on the testing.:good:
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^^This was my daily driver.
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Galaxy Tab 2 10.1 P5113, Rooted OTA 4.4.2 Kitkat USA
Galaxy S4 SCH-I545, Rooted OTA 4.4.2 KitKat
Someone break me off a piece of that!

Posted 06 January 2013 - 06:55 PM (#13) User is offline   migdalorguy 

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My Galaxy Tab 2 10.1 is a refurb. It works great, but something is wacky with the battery stats. I first noticed that it would tell me I had a low battery and needed to connect a charger so I did, but the charging time was far less than the 4-5 hours one might expect to fully charge battery (as I've seen noted online.) So I;ve been playing around with it to try and figure out what is wrong. My unit is NOT rooted so I can't use an app that discharges and deletes the stats file. However, I am currently using a battery-draining app. I left my unit running all night, with auto-screen brightness turned off, wifif, GPS and Bluetooth on. I am currently running the battery drainer, plus Pandora with volume at 100%. I have now three times received a battery- low plug in your charger message. Each time I ignored it. Each time, the battery seemed to recover. Here's a screen shot. Each time I get the battery low message, after a while the batter level indicator actually starts going back up! I've attached a screenshot to show the battery stats.

I am going to run the unit unil it stops, dead. Then recharge, and see what happens. Any other suggestions would be appreciated. Could this be a hardware issue requiring service or replacement?

Thanks for the help.

Galaxy Tab 2 10.1
GT-P5113 (Refurb)
Android Version: 4.04

Posted 07 January 2013 - 04:29 AM (#14) User is offline   ThatTabGuy 

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View Postmigdalorguy, on 06 January 2013 - 06:55 PM, said:

My Galaxy Tab 2 10.1 is a refurb. It works great, but something is wacky with the battery stats. I first noticed that it would tell me I had a low battery and needed to connect a charger so I did, but the charging time was far less than the 4-5 hours one might expect to fully charge battery (as I've seen noted online.) So I;ve been playing around with it to try and figure out what is wrong. My unit is NOT rooted so I can't use an app that discharges and deletes the stats file. However, I am currently using a battery-draining app. I left my unit running all night, with auto-screen brightness turned off, wifif, GPS and Bluetooth on. I am currently running the battery drainer, plus Pandora with volume at 100%. I have now three times received a battery- low plug in your charger message. Each time I ignored it. Each time, the battery seemed to recover. Here's a screen shot. Each time I get the battery low message, after a while the batter level indicator actually starts going back up! I've attached a screenshot to show the battery stats.

I am going to run the unit unil it stops, dead. Then recharge, and see what happens. Any other suggestions would be appreciated. Could this be a hardware issue requiring service or replacement?

Thanks for the help.


This is interesting. Go to this link: http://www.thegalaxy...7477#entry27477 (Thanks to Moderator Blast for this one) and see if this might help.

Rooting it will help as well as you can wipe the battery stats with a recovery program (depending on the rom you choose).
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^^This was my daily driver.
Good times.................................

Galaxy Tab 2 10.1 P5113, Rooted OTA 4.4.2 Kitkat USA
Galaxy S4 SCH-I545, Rooted OTA 4.4.2 KitKat
Someone break me off a piece of that!

Posted 15 January 2013 - 07:00 PM (#15) User is offline   migdalorguy 

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Attached File  Screenshot_2013-01-06-12-50-09 (2).jpg (261K)
Number of downloads: 7Attached File  Screenshot_2013-01-06-12-50-09 (2).jpg (261K)
Number of downloads: 7OK. None of these things have solved my problem. I'm attaching a screenshot. Does this make ANY SENSE at all? Look at how it goes up and down! It has been running on battery the whole time, and generated warnings several times then recovered on its own. I have performed several full drains and recharge cycles, plus the suggestions from the link given here, all to no avail. Any other thoughts or suggestions?

Galaxy Tab 2 10.1
GT-P5113 (Refurb)
Android Version: 4.04

Posted 26 January 2013 - 01:14 PM (#16) User is offline   Psalm 2 

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can I continue to use my Galaaxy Tabe 2 10.1 tablet whilst the battery is charging?
I am a newbie
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Posted 26 January 2013 - 01:40 PM (#17) User is offline   Moderator Blast 

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Yes but it will get warm and take longer to charge.
http://www.thegalaxy...dpost__p__26629


PLEASE try Forum Searching before you post your next question :good:
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Posted 20 February 2013 - 12:50 PM (#18) User is offline   Zeun 

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Tab cannot be charge all of a sudden using adapter charger originally provided by samsung. when i plugged in it stated charging. but although i charged it for 4 hours it still remain the same.i tried to shut down and charged but it still doesnt increase by even one percent. I need help !
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Posted 20 February 2013 - 02:47 PM (#19) User is offline   ThatTabGuy 

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You need to be more specific. Tab size, Model Number & Android Version, Is your tab under warranty? Have you tried plugging the charger in someplace else in your home? Need more info. :nea:
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^^This was my daily driver.
Good times.................................

Galaxy Tab 2 10.1 P5113, Rooted OTA 4.4.2 Kitkat USA
Galaxy S4 SCH-I545, Rooted OTA 4.4.2 KitKat
Someone break me off a piece of that!

Posted 20 February 2013 - 11:41 PM (#20) User is offline   Jim Paskell 

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View PostZeun, on 20 February 2013 - 12:50 PM, said:

Tab cannot be charge all of a sudden using adapter charger originally provided by samsung. when i plugged in it stated charging. but although i charged it for 4 hours it still remain the same.i tried to shut down and charged but it still doesnt increase by even one percent. I need help !


Zeun,

You may find that, sometimes, the plug that inserts into the tab may not be seated fully. I find this happens to me once in a while, especially if I'm not paying attention. Also, moving the tablet around after you plug it in may cause a slight loosening of the plug.

Just a thought.

Jim

Galaxy Tab Model : 2 10.1
Galaxy Tab Number : GT-P5113
Android Version : 4.1.1 Jellybean

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