How long should an iPad battery last?

I don't know that Apple has published that information, but my guess is about five years under normal usage.

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HT4060 How long should an iPad battery last?

When using my iPad continually I only seem to get approx 4 hrs use, is this about right?

The usefull life of an iPad battery is about 1000 full discharge/charge cycles, by Apple's standards (i.e. at 1000 cycles, if not abused, it should retain about 80% of its original capacity). But, a Lithium cell begins to loose capacity from the minute it is assembled at the factory. It will continue to loose capacity over time, whether used or not. So, if your iPad is a couple of years old and has had a lot of use (that is many discharge/charge cycles) then it will inherently last less and less on a charge as time goes by. Also, if it has sat unused for very long periods (several or many months) it will have degraded much faster than if used regularly.
As others have said, it also depends on your settings, and just what apps and things you normally run on it.

How long is the iPad battery last while watching video on YouTube with 3G?

How long is the iPad2 battery last while watching video on YouTube with 3G?

My iPad 2 battery can use only ~7 hours 15mins when surfing the web using cellular data network. Is it normal?
I would say that's normal. Cellular uses more power than wifi. Your screen brightness is also a factor. Lower the screen brightness & battery will last longer.
The quickest way (and really the only way) to charge your iPad is with the included 10W USB Power Adapter. iPad will also charge, although more slowly, when attached to a computer with a high-power USB port (many recent Mac computers) or with an iPhone Power Adapter (5W). When attached to a computer via a standard USB port (most PCs or older Mac computers) iPad will charge very slowly (but iPad indicates not charging). Make sure your computer is on while charging iPad via USB. If iPad is connected to a computer that’s turned off or is in sleep or standby mode, the iPad battery will continue to drain.
Apple recommends that once a month you let the iPad fully discharge & then recharge to 100%.
At this link http://www.tomshardware.com/reviews/galaxy-tab-android-tablet,3014-11.html , tests show that the iPad 2 battery (25 watt-hours) will charge to 90% in 3 hours 1 minute. It will charge to 100% in 4 hours 2 minutes. The new iPad has a larger capacity battery (42 watt-hours), so using the 10W charger will obviously take longer. If you are using your iPad while charging, it will take even longer. It's best to turn your new iPad OFF and charge over night. Also look at The iPad's charging challenge explained http://www.macworld.com/article/1150356/ipadcharging.html
Also, if you have a 3rd generation iPad, look at Apple: iPad Battery Nothing to Get Charged Up About
http://allthingsd.com/20120327/apple-ipad-battery-nothing-to-get-charged-up-abou t/
Apple Explains New iPad's Continued Charging Beyond 100% Battery Level
http://www.macrumors.com/2012/03/27/apple-explains-new-ipads-continued-charging- beyond-100-battery-level/
 Cheers, Tom

How long should the MBP battery last?

HI, I have had my MBP 17inch for a few months now and its seems that the battery is rubbish! I generally get about 2-2.5 hours out of it, even when just surfing the internet. I calibrate it regularly, dim the brightness, turn off aiport etc.
Its says on the webiste I should get 5.75 hours! How long does other people's last? I was wondering if it had anything to do that I have the Hi Res version 1920-by-1200. Would it use more power?
Thanks very much for any info.
Ian

Use the iStat widget, not CoconutBattery. FYI, the "real" values should be checked in Utilites > System Profiler > Power.
Your "original capacity" is 6300 mAh. That's a nominal value, which is why yours is actually higher - new batteries range from 6200 - 6700 mAh, approximately. The 5500 mAh is the correct value for the 15" MBP - CoconutBattery can't tell the difference.
Be sure to properly calibrate your battery every couple of months.
RE your original post, 2.5-3.5 hours of battery life is normal, depending mostly on screen brightness.
Hope this helps...

How long should my new battery last?

I just bought a brand new battery for my 2008 Aluminium MacBook. When I have WiFi turned off with the brightness turned all the way to the lowest setting, my battery lasts about 4 hours with continuous use. Is this how long a new battery should last or should I return to the Apple store to obtain a new one?
Here are my computer specs:
Model Name:          MacBook
Model Identifier:          MacBook5,1
Processor Name:          Intel Core 2 Duo
Processor Speed:          2 GHz
Number Of Processors:          1
Total Number Of Cores:          2
L2 Cache:          3 MB
Memory:          2 GB
Bus Speed:          1.07 GHz
Boot ROM Version:          MB51.007D.B03
SMC Version (system):          1.32f8
Serial Number (system):          348483YW1AQ
Hardware UUID:          B6D58431-D31A-5C9B-BFED-0623271426D3

I just bought a brand new battery for my 2008 Aluminium MacBook. When I have WiFi turned off with the brightness turned all the way to the lowest setting, my battery lasts about 4 hours with continuous use. Is this how long a new battery should last or should I return to the Apple store to obtain a new one?
Here are my computer specs:
Model Name:          MacBook
Model Identifier:          MacBook5,1
Processor Name:          Intel Core 2 Duo
Processor Speed:          2 GHz
Number Of Processors:          1
Total Number Of Cores:          2
L2 Cache:          3 MB
Memory:          2 GB
Bus Speed:          1.07 GHz
Boot ROM Version:          MB51.007D.B03
SMC Version (system):          1.32f8
Serial Number (system):          348483YW1AQ
Hardware UUID:          B6D58431-D31A-5C9B-BFED-0623271426D3

How Long Should a T41p Battery Last?

Hi guys. My first post!
I was given a T41p and when the charger is not plugged in the battery can drop from, say, 75% to 25% in an instant. I ordered a new battery http://shop.lenovo.com/SEUILibrary/controller/e/web/LenovoPortal/en_US/catalog.workflow:item.detail?... & it only lasts 2 hours. To me this seems quite short for a brand new battery.
I read some posts on other forums before my purchase with people saying their battery lasts up to 5 hours. I think they were talking about 9 cell batteries but wouldn't that mean a 6 cell should last closer to 4?
Thanx 4 looking.

it depends on whether you run it in power saving mode, with low backlight and low cpu speed...................... so 2 hours sound reasonable for T41p....

How long should my ipod battery last

My ipod 5th gen lasts 4 hours usage is that to low or on par with normal browsing, facebook, twitter usage ?

That seems to be normal for what users have posted here.
To maximize battery life see the suggestions included here:
Apple - Batteries - iPod

How long should a new battery last when installed for a mac book pro 2009 with only a web browser opened?

I recently went to the apple store in Covent garden and had a battery replaced for my Mac Book Pro 2009 edition.
After fully charging the mac the percentage guage meter displays the battery is losing power fast. 1% increments goes down every 5 minutes even if I have only a browser which is opened and no other running applications.
My recent test after a fully charged mac book pro allowed me a maximum use time is 2 hours!
I have friends and family members who have the same model as me and their mac book when running on battery, shows that the laptop has about 6 hours use. They are able to run multiple applications and use sites such as Youtube and still get a good 4 hours of use.
Anyway, I have booked an appointment with a Mac Genius for tomorrow to look into this issue.
I thought I'd just ask the community to find out if any of you can help.
Many thanks in advance.

Thank you Donald.
You are the second person to tell me this so this is more of a reason for Apple to sort out issue for me.
The team there don't believe there is an issue with the battery.
Thank you once again.

How long should my 5S battery last?

Just got the phone a week ago. It seems to drain awfully quickly.

That seems to be normal for what users have posted here.
To maximize battery life see the suggestions included here:
Apple - Batteries - iPod

How long does the IPhone5c battery last for without hardly any usage with about 2/3 to 3/4 left?

How long does the IPhone5c battery last for without hardly any usage with about 2/3 to 3/4 left?
Has the side affect of charging, where the battery's life gradually decreases overall with each charge, been fixed ?

Eric,
They did say 12-14 hours, but as is always the case with such estimates, they invariably quote the 'best possible scenario' and almost never mirror 'real world' conditions.
If, from a fully charged position, you simply switch on your nano, and set it to continuously play through a long set of songs, with EQ off, backlight off, modest volume (50%) don't touch it during playback, then you might just get somewhere near this figure - and if you don't then it's either not been conditioned properly or it's faulty.
If you use it like me, daily for a couple of hours, with 2 secs backlight and switch songs regularly, using fairly high volumes then 6-8 hours is more likely. It'll even drain when it's not in use, even in sleep mode, albeit very slowly. They also tend to drain more quickly before they've been through their first few charge cycles (the conditioning period).
Personally I haven't got a problem with this though I can understand why some people have. It's not very impressive in this respect. Apple should be able to come up with something much better - maybe they should talk to Sony

I recently bought 13" mbp 2012 and I noticed that I only got 2HRS max and the only thing Im doing is watch movies on VLC and surf the net. How long does you mbp battery last?

I recently bought 13" mbp 2012 and I noticed that I only got 2HRS max and the only thing Im doing is watch movies on VLC and surf the net. How long does you mbp battery last?

That listed 7 hours is with very limited use. Low screen brightness, low keyboard backlight, No WiFi or bluetooth.
Most I have ever gotten from my 15" 2011 model is around 5-6 hours and that was with very light use. Just Web, Chrome, and email, thunderbird, and Wifi.

How long does the MBR Battery last in years? Deciding factor on purchasing? Help?

I'm nearly ready to pull the trigger and get my first MBR 15 inch, but something keeps nagging. The Battery. THE BATTERY. Yes the battery is relatively nice, and one might think insignificant in the grand scheme, but IT'S GLUED INSIDE THE COMPUTER, and basically IRREPLACEABLE unless you pay some ridiculous cost, my guess is around $400. So how long is the battery expected to last? 4 years? No battery lasts 4 years. It's mind-boggling to me why Apple decided to glue the battery. After 2 years of moderate to heavy use of your MBR you're just expected to fork over $400 for a new battery? A NEW BATTERY?!!!!! Realistically how long will the MBR battery last before it gives up the ghost and has to be plugged in 24/7?

It is not "glued" inside the computer. And yes Apple offers a replacement program for $200 and under depending on the model for out of warranty:
http://support.apple.com/kb/index?page=servicefaq&geo=United_States&product=Macn otebooks
For in warranty for a defective battery, it is free:
https://www.apple.com/batteries/replacements.html
AppleCare can be bought at discount during the first year of computer ownership from:
https://www.lacomputercompany.com/cgi-bin/rpcart/featured.cgi?group=appcare
Just remember to register it after receiving the box, and keep all the material inside, including the registration number until you get your enrollment number.
How long? Depends on usage:
http://www.apple.com/batteries/

How long should your iPad stay at a full charge

How long should my ipad2 stay full charge?

The amount of time left on the battery depends on what you are doing with the iPad. Apple provides estimates based on certain assumptions:
Battery Life6
Up to 10 hours of surfing the web on Wi-Fi, watching video, or listening to music
Up to 9 hours of surfing the web using cellular data network
Charging via power adapter or USB to computer system
Up to 10 hours of surfing the web on Wi-Fi, watching video, or listening to music
Up to 9 hours of surfing the web using cellular data network
Charging via power adapter or USB to computer system
Up to 10 hours of surfing the web on Wi-Fi, watching video, or listening to music
Up to 9 hours of surfing the web using cellular data network
Charging via power adapter or USB to computer system
It's impossible to make a judgment on your situation because there are too many variables involved. If you believe you are not getting the battery life you should, then take it back to see about a replacement.

If watching iplayer how long should my iphone 4 last

HOw long should Iphone 4 last if watching iplayer ?

Video playback on a brand new iPhone according to Apple is up to 10 hours (audio up to 40 hrs). Depending on how old the iPhone is, how many cycles on the battery, how many deep discharge cycles, the temperatures it has been subjected to (especially any lengthy exremes of heat or cold), how bright the sceen setting is, whether streaming over 3G or wifi - all will decrease that ideal number from a bit to a lot.

How long should my iPad 3 take to charge

How long should it take my iPad with retina display to charge? It takes about 15 hours to charge now from being dead.

FYI
The quickest way (and really the only way) to charge your iPad is with the included 10W or 12W (5W on Mini) USB Power Adapter. iPad will also charge, although more slowly, when attached to a computer with a high-power USB port (many recent Mac computers) or with an iPhone Power Adapter (5W). When attached to a computer via a standard USB port (2.5W, most PCs or older Mac computers) iPad will charge very slowly (but iPad indicates not charging). Make sure your computer is on while charging iPad via USB. If iPad is connected to a computer that’s turned off or is in sleep or standby mode, the iPad battery will continue to drain.
Apple recommends that once a month you let the iPad fully discharge & then recharge to 100%.
How to Calibrate Your Mac, iPhone, or iPad Battery
http://www.macblend.com/how-to-calibrate-your-mac-iphone-or-ipad-battery/
At this link http://www.tomshardware.com/reviews/galaxy-tab-android-tablet,3014-11.html , tests show that the iPad 2 battery (25 watt-hours) will charge to 90% in 3 hours 1 minute. It will charge to 100% in 4 hours 2 minutes. The new iPad has a larger capacity battery (42 watt-hours), so using the 10W charger will obviously take longer. If you are using your iPad while charging, it will take even longer. It's best to turn your new iPad OFF and charge over night. Also look at The iPad's charging challenge explained http://www.macworld.com/article/1150356/ipadcharging.html
Also, if you have a 3rd generation iPad, look at
Apple: iPad Battery Nothing to Get Charged Up About
http://allthingsd.com/20120327/apple-ipad-battery-nothing-to-get-charged-up-abou t/
Apple Explains New iPad's Continued Charging Beyond 100% Battery Level
http://www.macrumors.com/2012/03/27/apple-explains-new-ipads-continued-charging- beyond-100-battery-level/
New iPad Takes Much Longer to Charge Than iPad 2
http://www.iphonehacks.com/2012/03/new-ipad-takes-much-longer-to-charge-than-ipa d-2.html
Apple Batteries - iPad http://www.apple.com/batteries/ipad.html
iPhone: Hardware troubleshooting (Power/Battery section also applies to iPad)
http://support.apple.com/kb/TS2802
Extend iPad Battery Life (Look at pjl123 comment)
https://discussions.apple.com/thread/3921324?tstart=30
New iPad Slow to Recharge, Barely Charges During Use
http://www.pcworld.com/article/252326/new_ipad_slow_to_recharge_barely_charges_d uring_use.html
iPad: Charging the battery
http://support.apple.com/kb/HT4060
Best Practices for iPad Battery Charging
http://www.ilounge.com/index.php/articles/comments/best-practices-for-ipad-batte ry-charging/
Tips About Charging for New iPad 3
http://goodscool-electronics.blogspot.com/2012/04/tips-about-charging-for-new-ip ad-3.html
How to Save and Prolong the battery life of your new ipad
https://discussions.apple.com/thread/4480944?tstart=0
Prolong battery lifespan for iPad / iPad 2 / iPad 3: charging tips
http://thehowto.wikidot.com/prolong-battery-lifespan-for-ipad
iPhone, iPod, Using the iPad Charger
http://support.apple.com/kb/HT4327
Install and use Battery Doctor HD
http://itunes.apple.com/tw/app/battery-doctor-hd/id459702901?mt=8
To Extend a Device’s Battery Life, Get to Know It Better
http://tinyurl.com/b67c7xz
iPad Battery Replacement
http://www.apple.com/batteries/replacements.html
In rare instances when using the Camera Connection Kit, you may notice that iPad does not charge after using the Camera Connection Kit. Disconnecting and reconnecting the iPad from the charger will resolve this issue.
 Cheers, Tom

How long should an iPad battery last?

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