Firmware 2.1 update - Battery life

If for no other reason, I'm grateful my batter life is almost double, if not more, than what it was before.
Thankyou guys...

Right, I should have been more precise. However, the hypothesis was that something was running in the background which drained the battery. The first mark against this hypothesis is that my battery life was fine prior to the 2.1 upgrade, and I didn't change any settings post upgrade. Let's assume that the 2.1 upgrade changed something without my knowledge - so let's go through the items you mentioned:
- Time and Date: these were set to "Set Automatically" before the upgrade, so maybe Apple has changed the frequency and this is burning battery? In any case, this would still qualify as "worse after upgrade"
- Calendar events: I have no notifications today, so this likely isn't the problem, unless, again Apple is checking for notifications more frequently, which would again qualify as "worse after upgrade"
- ipod: this wasn't running in the backgroud, it was off for the full 3:18 between full charge and 20% warning, so likely not responsible
- phone calls: I had 3 < 2 minute calls on it in the 3:18 between full charge and 20% warning. Likely not responsible, unless 3G is using waaay more juice
So, this still appears to be worse battery life after upgrade.
-Andy

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Does the 2.1 update realy make the battery life live longer, on the old Touch?

The battery live of my touch has actually decreased. Does anyone find that the battery is gone in 2 days after fulling charging it and not using it much?

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My iPhone 4 (iOs 5.1 update) battery life is terrible, I was wondering if there was anyway to fix this?
I tested my phone overnight a couple of times.
I'd fully charge it and take it off the charger whilst I'm asleep and by morning it's lost at least 50% battery life, and that is without being used!
I've tried many things like not charging it until it was below 10%
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I always delete the programmes running in the background.
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Try:
- Reset the iOS device. Nothing will be lost
Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Reset all settings
Go to Settings > General > Reset and tap Reset All Settings.
All your preferences and settings are reset. Information (such as contacts and calendars) and media (such as songs and videos) aren’t affected.
- Restore from backup. See:
iOS: How to back up
- Restore to factory settings/new iOS device.
If still problem, make an appointment at the Genius Bar of an Apple store
Apple Retail Store - Genius Bar

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Regards,

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Specs of my laptop:
13 inch late 2011
2.4 GHz Intel Core i5
4gb 1333 MHz DDR3
Mac OSX Lion 10.7.5 (11G63)
Hi, a month or two ago I did a software/firmware update (the thing that automatically pops up once in a while and asks if you want to update). Before the update, I was getting 7-8 hours running safari on a bright level (more than half) which was awesome!
Anyways, after I did the update, my battery life decreased significantly. If my brightness was at half, I got around 2.5 hours MAX. If I ran word and safari it wouldn't even last two hours.
Along with the horrible decrease in battery life, my laptop now gets really hot, really quickly, even if I'm only running safari on a low brightness. Sometimes the fan vibrates becuase it's working so hard...it's NEVER done that before.
I took it into the Apple store 'genius' bar, since I still have the warranty and the person that helped me offered no resolution. He told me that my battery still has life and didn't know why my laptop did this, laughed...and then dismissed me (rude). haha
system report of the battery:
Firmware Version:          201
Hardware Revision:          000a
Cell Revision:          158
Charge Information:
Charge Remaining (mAh):          5281
Fully Charged:          Yes
Charging:          No
Full Charge Capacity (mAh):          5333
Health Information:
Cycle Count:          392
Condition:          Normal
Battery Installed:          Yes
Amperage (mA):          0
Voltage (mV):          12457
I'm not sure what any of this means, but the 'genius' told me my battery still had a lot of life.
I just want the battery life back.
Does anyone know what's going on and how I can fix it?
Thank you

Hi, thanks for your advice. I just tried resetting and it worked momentarily (battery life improved, fan stopped making so much noise) UNTIL I put my computer to sleep and opened it again... when i first reset, battery life said 5:48. The fan was fine until I put it to sleep (closed the lid and opened five minutes later). Now it's heating up again and the fan is going crazy (making that buzzing noise), battery life is at 2:40 on same display brightness (half). I only have safari open....
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Firmware 2.1 update - Battery life

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