galaxy s3 battery life !!!

[mahmoud992]

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please my friends tell me ... is my battery go down fast or this is normal
I make it full in 1:30 am and go to sleep and put it in power save mode and after 10 hours the battery lose 16 % in power save mode and in this 10 hours the screen on for 20 to 30 minutes and when i sleep I also close WIFI and Sync
and this pictures from 1:30 am to 5:40 pm and the next charge in 8:00 pm .... is this good ???!!
but when i dont use power save and turn off WIFI and Sync i need charge twice a day !!!
note : this test with play game for about 15 minutes and use what's app and facebook normally ...!!

 

[Almeuit]

Seems normal to me. 3-4 hours of screen on time with this phone is pretty good battery.

Sent from my Sprint S3 using AC forums.

 

[meyerweb#CB]

Yeah, I agree with Almeuit. You say 15 minutes of game play and using other apps "normally" but you had the screen on for more than 3 hours. I don't know what "normally" is to you, but you're clearly using the phone a lot more than the 15 minutes of game play. The one thing you can do, if you haven't already, is turn down screen brightness. I've found I can comfortably use the phone with dimmer settings than the automatic screen brightness setting.

You say battery life is worse when you turn off wi-fi. That's normal. Especially if you're in a weak signal area, 3G or 4G uses much more power than WiFi. The other numbers all look reasonable.

I also wonder why you unplug the phone before you go to bed. Why not leave it charging all night, then it will be starting the day fully charged, instead of 16% down.

 

[mahmoud992]

Yeah, I agree with Almeuit. You say 15 minutes of game play and using other apps "normally" but you had the screen on for more than 3 hours. I don't know what "normally" is to you, but you're clearly using the phone a lot more than the 15 minutes of game play. The one thing you can do, if you haven't already, is turn down screen brightness. I've found I can comfortably use the phone with dimmer settings than the automatic screen brightness setting.

You say battery life is worse when you turn off wi-fi. That's normal. Especially if you're in a weak signal area, 3G or 4G uses much more power than WiFi. The other numbers all look reasonable.

I also wonder why you unplug the phone before you go to bed. Why not leave it charging all night, then it will be starting the day fully charged, instead of 16% down.

is it good for battery to put it charging all the night??
and in my room wifi is weak.. is it reason for losing power??
now I leave the phone on power save mode but wifi and sync on and I slept for 5 hours the battery go from 100% to 90% is this normal with my weak wifi??

Sent from my GT-I9300 using Android Central Forums

 

[Golfdriver97]

I think it is the sync. Syncing is constantly checking your emails, updating contacts, etc, so with a weak cell signal your phone is accessing the internet. My S3 is set to brightness at about 40%, sync is off all the time, screen timeout is at 30 seconds, and I shut my screen down manually. I charge my phone all night and even leave it plugged in for part of the morning. Try leaving sync off for 36 hours, and see what happens.

 

[Almeuit]

is it good for battery to put it charging all the night??
and in my room wifi is weak.. is it reason for losing power??
now I leave the phone on power save mode but wifi and sync on and I slept for 5 hours the battery go from 100% to 90% is this normal with my weak wifi??

Sent from my GT-I9300 using Android Central Forums

It doesn't hurt to leave charging all night. I will be doing that momentarily.

Sent from my Sprint S3 using AC forums.

 

[Golfdriver97]

Here is a screeenshot of today's phone activity consisting of three phone calls of 10 minutes or less, 2 or 3 Soundhound searches, 4 or 5 brief Google searches, an hour of playing Gin Rummy, and roughly 20 or 25 minutes of PBA Bowling. I am not counting any resource consuming games that I only need to check once or twice a day, even then I do so when the phone is charging. Screenshot taken roughly 15 to 20 minutes ago.

 

[Golfdriver97]

Reading through the thread again, mahmoud992, how many times do you check in with Facebook? And if it is often, how often at home? Where is your signal weakest? For me, my signal is weakest when I am at work, with bad weather. In which case, I sometimes turn the phone off. If the phone spends say, 20 minutes searching for a signal, it is like the phone is heavily used for over an hour. Other battery saving tips; I turn haptic feedback off, and all vibration. I have always disliked automatic brightness, because devices can't seem to decide how to react to different kinds of light. I used to use auto brightness, and noticed my screen adjusting several times in a few minutes. While the overall idea seems like a good one, I just keep mine at about 40% like I stated before and leave it.

 

[mahmoud992]

Reading through the thread again, mahmoud992, how many times do you check in with Facebook? And if it is often, how often at home? Where is your signal weakest? For me, my signal is weakest when I am at work, with bad weather. In which case, I sometimes turn the phone off. If the phone spends say, 20 minutes searching for a signal, it is like the phone is heavily used for over an hour. Other battery saving tips; I turn haptic feedback off, and all vibration. I have always disliked automatic brightness, because devices can't seem to decide how to react to different kinds of light. I used to use auto brightness, and noticed my screen adjusting several times in a few minutes. While the overall idea seems like a good one, I just keep mine at about 40% like I stated before and leave it.

my wifi signal very weak at my room (about 15 meters from the router) but i can get H+ and sometimes 3g when i use mobile data and turn off wi-fi
i will close the auto brightness and put 30 to 40% and see what the difference
i disable services like s voice and all share cast and all share play.... and i feel some different
if I turn off sync the what's app will stop receiving messages or that will not effect? am not sure what the sync do totally??

sorry about my weak English friends

Sent from my GT-I9300 using Android Central Forums

 

[Golfdriver97]

You should still receive messages when you open apps with sync off. Sync on just means that your device constantly checks those accounts. With sync off, the only difference is you may have to make the app refresh the messages. I don't care much for social media like Facebook, so sync being enabled is something that doesn't affect me that much. You can also try keeping GPS off, in case that is draining your battery life too. I have heard of cases where it drains the battery and cases where it doesn't.

The only other thing I can suggest is getting a second router for your house, so that you can put it closer to your room. 15 meters (49.xx feet) is quite the distance, considering it has to go through wood, plaster, metal, and maybe concrete. If the internet isn't yours, offer to buy the second router and set it up for the net. Devices use the least power when connected to wifi, so this may help.

 

[mahmoud992]

You should still receive messages when you open apps with sync off. Sync on just means that your device constantly checks those accounts. With sync off, the only difference is you may have to make the app refresh the messages. I don't care much for social media like Facebook, so sync being enabled is something that doesn't affect me that much. You can also try keeping GPS off, in case that is draining your battery life too. I have heard of cases where it drains the battery and cases where it doesn't.

The only other thing I can suggest is getting a second router for your house, so that you can put it closer to your room. 15 meters (49.xx feet) is quite the distance, considering it has to go through wood, plaster, metal, and maybe concrete. If the internet isn't yours, offer to buy the second router and set it up for the net. Devices use the least power when connected to wifi, so this may help.

thanks my friend today I turn off power save mode and auto brightness and put the brightness to 30% and use the battery for 5 to 6 hours and now it's 50% and this with checking Facebook and talk on what's app for 40 minutes and use YouTube and play angry birds for 15 minutes... is this good??

Sent from my GT-I9300 using Android Central Forums

 

[GSDer]

These are the two most useful screenshots you can include - they'll help someone else to see what it is you're trying to explain.You can also try something like GSam Battery Monitor: http://market.android.com/details?id=com.gsamlabs.bbm, which will provide more detail about app usage
Edit: BTW, there's nothing wrong with your English - there are lots of examples of people born in this country that have a poorer grasp of the language than you do.

Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM -0.001 using Tapatalk 2

 

[meyerweb#CB]

Leaving it charging all night is fine. The phone detects when the battery is charged, and turns off charging. If the charge drops because the phone is active (background syncing, etc.) at some level the phone will turn the charging circuity back on. You can't over charge a modern phone except by "bump charging."

A weak signal, on either WiFi or the cellular connection, will definitely draw more power. And the more frequently it's syncing, the more a weak signal will hurt battery life. If you have a strong cell signal, and weak WiFi, you might get better battery life by turning WiFi off.