• After 15+ years, we've made a big change: Android Forums is now Early Bird Club. Learn more here.

Help Display usage..

C

CardiffRed

Lurker
Hi guys,

Apologies, have tried searching but could someone tell me why my display is using 78% of my battery.

Any help would be appreciated.

:)
 
CardiffRed said:
Hi guys,

Apologies, have tried searching but could someone tell me why my display is using 78% of my battery.

Any help would be appreciated.

:)
Click to expand...

It is the main bulk of the phone and also the most power hungry part of the phone. When you unplug your charger after charging go to the battery status info page and you will probably see it is using 90%+! but over time (as you have more uptime and therefore more data) it will settle down.

I wouldn't worry about it, it's just obvious that a screen that big is going to take some power. So if you are constantly playing games, surfing the net, on facebook etc the screen is always on and in use.

I wonder what the figures would say if you left it on standby in a draw all day checked the info at the end of the day.

Paul.
 
black_sonix said:
It is the main bulk of the phone and also the most power hungry part of the phone. When you unplug your charger after charging go to the battery status info page and you will probably see it is using 90%+! but over time (as you have more uptime and therefore more data) it will settle down.

I wouldn't worry about it, it's just obvious that a screen that big is going to take some power. So if you are constantly playing games, surfing the net, on facebook etc the screen is always on and in use.

I wonder what the figures would say if you left it on standby in a draw all day checked the info at the end of the day.

Paul.
Click to expand...

Thanks mate.

Will have a look later in the day.
 
That's why it is quoted to have a massive standby time.

If I just leave the mobile network on 2G, without wifi, data, gps, syncing turned off (use it as a basic phone) and do not use the phone it drains 2% of the battery in 8 hours...

I know this because when I go to bed I switch everything off apart from the mobile network.
 
Another thing to remember is that it's not 78% of your total battery power that has been used. It's 78% of the power that has been used so far.

Even once your battery has settled in, the display will generally use the most power unless you have a very processor/data intensive app.
It's just a result of such a large, bright screen!
 
I see it as a good thing that most power usage is down to the display... as long as you press the power button to turn the display off when you're not using the phone, you can relax knowing that power consumption will have dropped to a very low figure - I don't mean turning the phone off, just a quick 'blip' to turn the display off.

After 34 hours since it was unplugged, my phone currently still has 60% of charge left. The display (with the brightness set to auto) has been powered for 1 hour 48 minutes, and this accounts for 57% of the power that has been used.
 
The problem with this is that there is no way of making the display use less battery other than turning it way down and even then it will use a large chunk of the battery. That means the only way to conserve battery is to not use it, which kind of sucks.

It doesnt really leave any hope in maximizing battery life when the biggest hog is just having the screen on.
 
well this helps a lot on my Screen question, as I just got the phone for the Telus network in Canada. My question now is this: why is my Cell Standby 26% and Phone Idle is 23% and Screen is 35%, when it says I took it off the charger 15 hours ago. at 12am I went to bed, and woke at 8:30. at 12, the battery was at 79%, and when I woke, it was at 67%. the battery monitor (at 12am) said the screen had used (so far) 56% of the battery, and the Cell Standby was 13% and Phone Idle was 11%.
So,

12am:
Screen --> 56%
Cell Standby --> 13%
Phone Idle --> 11%

8:30am:
Screen --> 35%
Cell Standby --> 26%
Phone Idle --> 23%

is this normal for Standby to be using THIS MUCH?
 
crAsHak said:
is this normal for Standby to be using THIS MUCH?
Click to expand...

It suggests that you are in a poor signal area. Repeat the test after doing the following:

Settings>Wireless & networks>Mobile networks>Network mode>GSM only

I'm willing to bet that you'll see a dramatic drop in Cell standby usage.
 
widehead said:
It suggests that you are in a poor signal area. Repeat the test after doing the following:

Settings>Wireless & networks>Mobile networks>Network mode>GSM only

I'm willing to bet that you'll see a dramatic drop in Cell standby usage.
Click to expand...

Well. I'd want to point out, that the guy referred to values over the night.

Meaning I'm guessing the phone was not used.

Now the percentages he gave, are all proportional to the "overall" used battery. Thus of the approx. 10% battery used over the night, an additional 10% of this was used by the standby systems of the phone. This is not unreasonable at all, if you had known what you were talking about.

The more the phone is left still, the higher the "stand-by" processes will be. The phone doesn't just "turn-off" just because the screen is off during the night... :rolleyes:
 
Gardium said:
The more the phone is left still, the higher the "stand-by" processes will be. The phone doesn't just "turn-off" just because the screen is off during the night... :rolleyes:
Click to expand...

Correct!
Heavy users will have higher screen percentages while people who hardly use their phone will have higher idle percentages.
In my opinion it's only good to look at these percentages just before you're going to charge your phone again, because that's the only point in time where you can actually see how much everything actually used...

Cheers
 
widehead said:
Doesn't matter. Weak signal strength will still drain power.
Click to expand...

A weak signal does drain more power, but nothing here point towards a weak signal... Like gardium says these standby/idle values will increase during night because the phone hasn't been in use.
 
You must log in or register to reply here.
Back
Top Bottom