Battery life is minimal - should I have it looked at?

16GB iPod touch, bought back in February, exact same day as the 32GB came out
I've had no end of little annoying things wrong with it: stuck pixel right in the center of the screen, safari randomly quits, volume control acts really oddly when I touch it, and other little problems that have stuck around. Last night, I put my iPod on to charge (it was almost empty), got it off this morning. Caught the tram to school and listened to it in Digital Imaging (a total of about 1.75 hours) and it's almost completely flat. This is a far cry from the 5 hours of video playback that apple claims, and the TV show I was watching was neither exceptionally loud nor bright and the wifi was off. Just wondering if anyone has a solution, or whether you think I should take it back to the apple store I got it at.
Thanks heaps guys
Alex

I would suggest a software restore via iTunes first to rule out a software issue that might be causing the iPod to overwork itself, thus increasing the rate of charge depletion. If the restore does not solve your issue, definitely take the iPod to an Apple store (http://www.apple.com/retail/storelist/) if you have one close by, or set up service online at http://depot.info.apple.com/ipod/
CG

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IPhone4 Battery life: The report you all have been waiting for!!!

Hello fellow iPhoners,
I'm a proud owner of an iPhone4 who have been getting sporadic battery performance for a little while. One day I can get 5 to 6 hours of usage while another the phone can barely make it past 4 hours doing the same things.
Therefore, I decided to start my own observation and document my findings regarding why my iPhone 4 can give me good battery on some days and terrible in others.
Intro:
Now I'm sure all of you have read all the typical battery saving tips such as turn off fetch, dont game too much blah blah blah. Well, I wanted to know what is the real world impact do these things really do on battery and how much better is the battery life with them off.
The following are always ON for me: Wifi, notifications (no push or fetch), edge (I never use 3g - too slow anyway).
Screen brightness is set in the middle so IOS decides when to raise or lower it. Actually IOS seems to only be able to brighten the screen if you say, walk from a dark to well lit room. The reverse seems not possible. You must put your phone to sleep and wake it in order for the display to dims.
Keep in mind I typically get between 6 to 7 hours of medium usage. But I set out to find why do I get
less than 5 hours in some cases.
Observations:
1. After placing iphone in charge at night, went to sleep, woke up in morning to find that the iphone was at 65% and losing power while still PLUGGED IN. I had to unplug and replug.
2. Sometimes iphone will get real hot while I'm not using it. Even after a reboot, it would continue to remain hot and drains battery.
3. Observation 2 (above) has only happen 2 times unexpectedly.
Answers to Observations:
1. I no longer plug my iPhone on certain outlets to charge. I have come to realize that all outlets aren't equal and while some of them will charge up the iphone very fast, it tends to lose that power very fast also which would contribute to the days where I barely get 4 hours out of it. Thus I recommend plugging your phone into a wall outlet and not via an extended outlet. Also using USB to power it up via my PC doesn't provide the best battery life either.
2. When my iPhone4 gets hot on standby, I know the processor is still running(very fast) which to me means an app is still running even though IOS4 is SUPPOSED to only SUSPEND apps in the background. However, we dont know and assume apps that have not been updated to OS4 simply get closed when we press the home button. Well, I have never updated my AP Mobile app (because the latest update *****) and I feel like it may be one of the culprits that render my phone a hand warmer. However, I also feel like Call Of Duty: Zombies might be another culprit as I always have used one of these apps when the phone keeps getting hot.
Now of course I won't blame these apps solely as I also feel IOS4 itself IS buggy and may be the bigger culprit. Sometimes X'ing out everything in the background tray solved the hotness problem, sometimes it doesn't and the phone will keep on dropping in battery until it dies.
Now I always wondered how did apple arrive at their claim of "up to 14 hours talk time on 2g" and "up to 10 hours of internet use on wifi" when I can barely get within that vicinity. While I have been able to figure out how I potentially could get 14 hours of talk time on edge, I still can't see how 10 hours of internet is possible on wifi because... wait for it... WIFI as I have just discovered is one of the biggest slow battery drainers.
It's true. According to my observations, with Wifi TURNED OFF my iPhone will drop 1% of battery every 7 to 8 minutes of light usage such as reading a book via iBooks or reading jokes on iPhunny. If you do the math, 7.5 x 100 = 750 /60 = 12.5 hours of light usage. Remember this is with wifi off and on edge only.
Now with WIFI ON and about 2 notifications for apps, doing the same exact thing, I get between 4 to 5 minutes per 1% of battery. One may say, that's not a huge difference, but it is sizable when we do the math, 4.5 x 100 = 450 /60 = 7.5 hours of light usage. This falls in line with my usual 5 to 6 hours since I tend to play a lot of games as well, which required more battery usage than say just reading a book.
This also hold true for when the phone is on standby which drops 1% every 40 to 60 minutes with wifi OFF. With wifi ON, it was about half the time.
When I turned off notifications completely with wifi still ON, I failed to notice any significant improvements to battery life as a whole.
QUESTION:
Since I'm not an apple engineer, I was wondering if any body knows an answer to this: I'm aware that the iphone - when wifi is enabled- will keep on scanning all the time. However, I was under the impression that once it FINDS AND CONNECTS to a network, that it should STOP scanning. I mean, why should it keep on scanning if it's connected to a network already?
But, I feel like the reason why battery life is so different with wifi ON is because it keeps on scanning no matter what. So there's always this tiny process running all the time.
Conclusion:
Despite over blown antenna issues, iPhone4 is a great device with great battery life to boot. The question is whether you are fine with say 6 to 7 hours of usage? If you would like to get more, remember to use a good outlet, turn off 3g if you dont need the data speed since phone calls tend to drop less on edge anyway, and turn off wifi when you dont really need it. Those remedies can add at least 2 extra hours of usage for you.
DISCLAIMER: Please all the above is only my opinion based on my own observation of my own iPhone4. I'm no professional techie or engineer. So no flaming or raging.
Thanks!

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Got a new Aluminium Powerbook 1.67 in Feb of this year, plus 2 spare
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How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
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Apple Retail Store - Genius Bar

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http://www.apple.com/batteries/notebooks.html
http://support.apple.com/kb/HT1446
Ciao.

Having trouble with iphone battery life ?

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No one?
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It seems like we've discovered how we could fix the whine, heating and the short battery life.
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That's exactly what I am doing : expecting a solution from Apple. And you know what, Apple today released a new system update for the keyboard. This update is for all the MacTels including MacBook Pro. And guess the next thing... This update fix a power draw in the MacBook USB... Great... Oh, no, in fact not so great because this bug is THE bug that allows to stop the whine (through Mirror, etc)...
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Battery life is minimal - should I have it looked at?

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