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Galaxy Tab 2 7.0 Battery

Posted 14 June 2012 - 07:52 PM (#1) User is offline   richncsu 

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I would like to be able to have my display stay on whenever I am charging my Samsung Galaxy Tab 2 7.0 (P3113) with Ice Cream Sandwich. I can find neither a setting to make this change nor an app to make it happen. Any help would be most appreciated.

Thanks,
Rich
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Posted 14 June 2012 - 08:02 PM (#2) User is offline   Moderator Blast 

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Sorry but I have to ask......why would you need it on all the time if it's just sitting there?
and if it's not sitting there and you are using it, then it won't time out.

If you have ring tone notifications set up for gmail, email, messaging, etc, then why do you need the screen to stay on.

I don't think on any of the tab models there is an override to the longest default screen time out. It has been designed that way to save battery life. If it's plugged into the mains, then it will re charge quicker if the screen is off.

There may be an App but I haven't seen it in here to the best of my knowledge. Others may know differently.
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Posted 14 June 2012 - 08:17 PM (#3) User is offline   wizz 

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Why ever would you want to do that ? +1
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Posted 14 June 2012 - 09:08 PM (#4) User is offline   richncsu 

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The first reason is to use the tablet as my alarm clock. The screen shuts down after the time out is reached and I can't see the time. Also I keep it plugged in on my desk when I am working. If I am chatting on my tablet it would be nice not to have to turn it back on and unlock it every time I respond after the time out period. Also if I use it as a GPS it would be better to keep the screen on as it would be charging. I don't want to make the time out too long to conserve battery life when it's not plugged in.

Rich
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Posted 15 June 2012 - 08:21 AM (#5) User is offline   Moderator Blast 

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I can understand the alarm clock requirement but you don't need the screen on for that, all your alarm notifications will sound with the screen off.
As for the clock, your right. If your tabs screens off, you need a watch.

Have you set the timeout to the max...on my 7 plus that's 30 mins, plenty of time to keep a chat going.

Even if you have the time out set for the max, you can manually put the screen to sleep at any time by a light tap on the power button.

I'm sorry but I don't understand your GPS statement
quote "I use it as a GPS it would be better to keep the screen on as it would be charging"
Having the screen on, doesn't charge your tab.

Leaving it plugged in all day is not recommended and will eventually kill your battery.
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Posted 15 June 2012 - 02:12 PM (#6) User is offline   MaylonTRD 

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When using GPS the screen will stay on automatically.

Exactly !
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Posted 15 June 2012 - 05:24 PM (#7) User is offline   sherri64 

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Can also see if you can get a "dock" application. This has a clock type mode. When in this mode, screen stays on for a while, then turns into a led digital clock which bounces around screen (presumably to avoid "burn in")....

I understand why you want this (not so much for the alarm, but for the desk clock).

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Posted 20 June 2012 - 07:16 PM (#8) User is offline   richncsu 

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I have a Galaxy Tab 2 7.0 (P3113) and wanted to know the best charging cycle for the device to maximize battery life. Should I plug it in every night to let it get back to full power or let it drain entirely before giving it the juice again? The latter obviously could pose some problems if I am not near a plug when the battery gets to critical levels.

Thanks,
Rich
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Posted 20 June 2012 - 07:59 PM (#9) User is offline   MaylonTRD 

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With the newer lithium batteries people will say to charge daily to full and unplug. Some might say to decharge fully a couple of times when new to "condition"... it seems everyone has their own battery wisdom lol! I just charge every night and never over charge it. I'd bet the battery will last much longer than we need before we all move on to the next device.
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Posted 20 June 2012 - 09:54 PM (#10) User is offline   Chris J 

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An article I read recently on Lifehacker indicated that the best charging policy was to avoid complete discharge and also avoid float charging (leaving the charger connected when the battery was fully charged). However, my experience has been that it doesn't matter an enormous amount what your charging strategy is.


User Manual Quote :
When your battery is low, the device will emit a warning tone and show a low battery message.
Recharge your battery to continue using your device.

If the battery is completely discharged, you cannot turn on the device, even while it is charging.
Allow a depleted battery to charge for a few minutes before you try to turn on the device.

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Posted 20 June 2012 - 10:31 PM (#11) User is offline   Moderator Blast 

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Hi new Tab 2 members

You will find there's a lot in the other sub sections about battery life and charging. Try a full Forum Search for further information, I am sure it will be relavent to your tabs as well.
Here's a taster
http://www.thegalaxy...dpost__p__27477
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Posted 23 August 2012 - 02:43 PM (#12) User is offline   Mr.Queen 

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Hi,

I just bought a Galaxy Tab 2 7.0 and I would like to know how long the battery is working with WIFI.
I have used it for 1 hour with WIFI, and goes from 100% to 84%.

When I go to Options on Batterys´ section, it displays a 2 hours, 51 min remaining.

Why, if the battery is draining I have more time of battery?

Is this a bug or what?

Thanks in advance.
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Posted 23 August 2012 - 03:15 PM (#13) User is offline   wizz 

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It's not a bug.....

The value remaining is an approximation. It all depends what you are doing ie. Web Browsing/Gaming, and what you have running ie. WiFi/Bluetooth/GPS.
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Posted 23 August 2012 - 03:27 PM (#14) User is offline   Mr.Queen 

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View Postwizz, on 23 August 2012 - 03:15 PM, said:

It's not a bug.....

The value remaining is an approximation. It all depends what you are doing ie. Web Browsing/Gaming, and what you have running ie. WiFi/Bluetooth/GPS.


Thanks, but can you tell me how much it lasts using the minimun? I´m not using it all day. Just an hour a day, Wifi, no gaming, and I´m on "battery saving mode".
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Posted 23 August 2012 - 03:51 PM (#15) User is offline   MaylonTRD 

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If you're concerned about battery, download auto airplane mode. It automatically puts your tablet in airplane mode when the screen is off. That will greatly increase battery life while in standby. Personally, I put a switch on the home screen to toggle on/off airplane mode on my own.
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Posted 23 August 2012 - 03:53 PM (#16) User is offline   MaylonTRD 

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When you say you find the approximate battery time left where do you find that? In settings-battery it tells me how long it's been since the last full charge not how much time is left.
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Posted 23 August 2012 - 04:06 PM (#17) User is offline   Mr.Queen 

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View PostMaylonTRD, on 23 August 2012 - 03:53 PM, said:

When you say you find the approximate battery time left where do you find that? In settings-battery it tells me how long it's been since the last full charge not how much time is left.


Just go to settings, battery and you will see the time remaining. I consider myself a rookie on this "tablet-world", I just wanted to know how much a battery could last using WI-FI.

The strange thing is, as less % of battery I have there´s more time remaining to use the tablet, which was weird to me.

I trust you guys!
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Posted 23 August 2012 - 04:11 PM (#18) User is offline   MaylonTRD 

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If you watch that clock you'll see that it's telling you how long it's been on battery since the last charge. There is no estimated time remaining. Here's a screenshot.

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Galaxy Tab 2 7.0 8GB GT-P3113 4.1.1
Galaxy Tab 3 10.1 16GB GT-P5210 4.2.2
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Posted 23 August 2012 - 04:12 PM (#19) User is offline   wizz 

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So you should ! :)

On the basis that an hour of WiFi used just under 20% of your battery........ You should be good for up to another four hours..... but you will get a "battery low" Alert before then... ;)
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Posted 23 August 2012 - 04:21 PM (#20) User is offline   Mr.Queen 

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View PostMaylonTRD, on 23 August 2012 - 04:11 PM, said:

If you watch that clock you'll see that it's telling you how long it's been on battery since the last charge. There is no estimated time remaining. Here's a screenshot.


If you have used 30% of the battery and there are 18hs remaining...I believe my tablet has some issue or there´s an app that is draining my battery off.

Sorry, Maybe I don´t understand.
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