4 hour battery life surfing internet?

am i missing something here or is this normal? i was expecting 4 hours when watching movies or doing more processor-heavy tasks.. but im getting around 4 hours, 5 at best, on the internet not at full brightness. this is the 2nd charge and i got it two days ago..
any thoughts?

Using gmail for instance forces the use of the nvidia graphicscard and the change back to intel is only made if you shut down the program, at best. Sometimes the release of the lock to nvidia doesn't work and you have to log out. This misuse of graphics card and together with flash on web pages makes the battery time very short indeed. Software update please Apple.
http://forums.macrumors.com/showthread.php?t=904425
Message was edited by: pepparkaka

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I have a MacBook Pro 13inch 2.4GHz (Intel Core 2 Duo, 4Gb RAM, 250Gb HDD, NVIDIA GeForce 320M graphics, SD card slot, up to 10 hour battery life)bought in October 2010 in the UK. The charger has stopped working. Which model and voltage do I need please?

I have a MacBook Pro 13inch 2.4GHz (Intel Core 2 Duo, 4Gb RAM, 250Gb HDD, NVIDIA GeForce 320M graphics, SD card slot, up to 10 hour battery life) bought in October 2010. The charger has been playing up for a while now - the light going out but coming back on when I move the cable a bit - faulty connection it seems. It has now stopped working at all.
Apple UK charge a whopping £65 for a replacement - and the reviews are AWFUL for it!
I need to know which one I need - 45w, 60w and 80w are listed - can someone tell me please? If I'm going to pay this price I want to make sure I get the right one!
Also, is a genuine Apple one available on Amazon UK, does anyone know please?
Any help will be much appreciated.
Meanwhile my battery is going down.....

Thanks for that wjosten. Much appreciated.
I've read here on Apple's site that the 85W version will work, as you say, and that it would run cooler with a 13" Macbook - I have a 13" MBP of course but assume this would be the same with mine. I wonder if running cooler is a good thing (it sounds as if it is) and it would be better for me to get the 85W version than the 60W one?
Then I have to decide whether to pay the (extortionate as it seems to me, though I may be wrong) £65 from Apple (bearing in mind the rotten reviews here of the Apple product), or risk a cheaper alternative from Amazon UK, at around £20 (also with various rotten reviews)... Any suggestions? Please? :-)

Not getting 10 hour battery life.

I remember reading it had to be at half the capacity of the uh, ..screen..light, lol. Am I missing something else? Mine's just a smidge below half, and it only has about a 4 and a half hour battery life. Are there other settings that I need to tone down that I'm not aware of? I bought my MBP this year.

Hi
Can you let me know how did you solve the battery problems. I was happy to have a mac with 8-9 hrs running time when compared to my earlier iBookG4 which gave 4.5 hrs till its late days.
I am having a MBP that is just 1 month old and under use since a week.
i am deeply worried when it shows 3.5 hrs after full charge. deeply disappointed.
Do lend me some helping hand.

Ideal Settings for 7 hour Battery Life

I just wanted to know what the ideal settings would be for a 15" MBP Mid 2009 Unibody to reach the 7 hour battery life as advertised.

Apple states that the Better Battery Life setting was used, and +"The wireless productivity test measures battery life by wirelessly browsing various websites and editing text in a word processing document with display brightness set to 50%."+
You can bet that the 'various websites' chosen were simple ones (no Flash animation, etc.). Also, 'editing text in a word processing document' with the autosave feature turned off will allow the HDD to spin down, saving power.
So, what you'd need to do to get 7 hours on battery is set the brightness to 50% or less and do only +really simple+ tasks on your MBP. IMO, the 7 hr estimate isn't 'real world', it's marketing.

Sub 1 hour battery life (9 cell) on Windows 8.1

Hi all,
A few months ago I installed Windows 8.1 on my T400 (Type 6475) and ever since have experienced abysmal battery life. I have a 9 cell battery in good condition that gave me at least 5 hours of moderate usage when I was running Windows 7 on this machine. Now I'm lucky to get an hour running Windows 8.1 which just isn't really viable. I've checked the battery on my backup T61 running Windows 7 and still achive perfectly acceptable lifespan with that - so the battery's not the problem.
This is my second clean reinstall of Windows 8.1. I've checked all of my drivers are up to date and are Windows 8.1 versions where they exist. My T400 doesn't have switchable graphics so I don't think it's that causing the issue. Bluetooth is off. I've got Power Manager 6.32 installed and working flawlessly. All settings are as they were when I was running Windows 7 (optimised for battery life when off of AC).
Before I give up on Windows 8.1 and return to Windows 7 is there anything else I've missed?Is there any way I can check what's using the battery?
I'm not a massive tech-head so be gentle if possible...
Thanks in advance!

Hi,
Welcome to Lenovo Community Forums!
I’m sorry to hear that you are getting a poor battery backup in your Lenovo ThinkPad T400 after upgrading to Windows 8.1.
May I know which power plan you are using in your system?
What Lenovo software dependency package is installed?
Have you updated all the Lenovo resources (firmware, BIOS, drivers, software)?
Refer this document and see if it helps!
Best regards,
Mithun.
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Macbook Air is not giving me 12 hours battery life!

I bought my Macbook Air 13" 8GB I5 a week ago and from the beginning it didn't gave me the battery life I was expecting to get.
I only used safari and itunes so I think this isn't normall. I already read much complaints about this issue but not yet a clear answer.
Is it just a problem that's gonna be solved with the next upgrade or should I take it back to the store?
I find this realy annoying and hope to get an answer!
Ralph

Hardware Information:
          MacBook Air (13-inch, Mid 2013)
          MacBook Air - model: MacBookAir6,2
          1 1.3 GHz Intel Core i5 CPU: 2 cores
          8 GB RAM
Video Information:
          Intel HD Graphics 5000 - VRAM: 1024 MB
System Software:
          OS X 10.9.1 (13B42) - Uptime: 0 days 23:51:10
Disk Information:
          APPLE SSD SD0128F disk0 : (121,33 GB)
                    EFI (disk0s1) <not mounted>: 209,7 MB
                    Macintosh HD (disk0s2) /: 120,47 GB (82,1 GB free)
                    Recovery HD (disk0s3) <not mounted>: 650 MB
USB Information:
          Apple Internal Memory Card Reader
          Apple Inc. BRCM20702 Hub
                    Apple Inc. Bluetooth USB Host Controller
FireWire Information:
Thunderbolt Information:
          Apple Inc. thunderbolt_bus
Kernel Extensions:
Problem System Launch Daemons:
          [System] com.wibu.CodeMeter.Server.plist 3rd-Party support link
Problem System Launch Agents:
Launch Daemons:
          [System] com.microsoft.office.licensing.helper.plist 3rd-Party support link
          [invalid] com.oracle.java.Helper-Tool.plist
          [System] org.macosforge.xquartz.privileged_startx.plist 3rd-Party support link
Launch Agents:
          [System] com.adobe.AAM.Updater-1.0.plist 3rd-Party support link
          [invalid] com.oracle.java.Java-Updater.plist
          [System] org.macosforge.xquartz.startx.plist 3rd-Party support link
User Launch Agents:
User Login Items:
          iTunesHelper
Internet Plug-ins:
          SharePointBrowserPlugin: Version: 14.3.9 - SDK 10.6 3rd-Party support link
          Flip4Mac WMV Plugin: Version: 3.2.0.16   - SDK 10.8 3rd-Party support link
          QuickTime Plugin: Version: 7.7.3
          Default Browser: Version: 537 - SDK 10.9
Audio Plug-ins:
          BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
          AirPlay: Version: 1.9 - SDK 10.9
          AppleAVBAudio: Version: 2.0.0 - SDK 10.9
          iSightAudio: Version: 7.7.3 - SDK 10.9
3rd Party Preference Panes:
          CodeMeter 3rd-Party support link
Bad Fonts:
          None
Old Applications:
          /Applications/Microsoft Office 2011/Office
                    Open XML for Excel:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Office-configuratieassistent:          Version: 14.3.8 - SDK 10.5 3rd-Party support link
                    Microsoft Alerts Daemon:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
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                    Microsoft Graph:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Database Utility:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Office-meldingen:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Upload Center:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    My Day:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Chart Converter:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Clipgalerie:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
          Microsoft AutoUpdate:          Version: 2.3.6 - SDK 10.4 3rd-Party support link
                    /Library/Application Support/Microsoft/MAU2.0/Microsoft AutoUpdate.app
          /Applications/Microsoft Office 2011
                    Microsoft PowerPoint:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Excel:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Outlook:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Word:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
          /Library/Application Support/Microsoft/MERP2.0
                    Microsoft Foutenrapportage:          Version: 2.2.9 - SDK 10.4 3rd-Party support link
                    Microsoft Ship Asserts:          Version: 1.1.4 - SDK 10.4 3rd-Party support link
          Solver:          Version: 1.0 - SDK 10.5 3rd-Party support link
                    /Applications/Microsoft Office 2011/Office/Invoegtoepassingen/Solver.app
Time Machine:
          Time Machine not configured!
Top Processes by CPU:
               5%          WindowServer
               3%          Safari
               2%          EtreCheck
               2%          hidd
               1%          Dock
Top Processes by Memory:
          131 MB          softwareupdated
          90 MB          Safari
          74 MB          com.apple.WebKit.WebContent
          49 MB          Finder
          49 MB          com.apple.IconServicesAgent
Virtual Memory Information:
          5.11 GB          Free RAM
          1.47 GB          Active RAM
          552 MB          Inactive RAM
          765 MB          Wired RAM
          415 MB          Page-ins
          0 B          Page-outs

New iBook with 4 hour battery life? should I ask for a replacement?

after about two months of use, my iBook is only getting 4 hours of battery life, I've done everthing right with it, per apple's own instructions.
does anyone know what their policy is? can I go to a store and get it replaced, or am I stuck with it?
thanks hope somone knows what's up with it, I would have liked my 6 hours as promised.

Please read the terms of use here about discussing policy on the link on the right hand side.
4 hours is actually quite normal. There is a part of Apple's website which explains how to optimize battery life:
http://www.apple.com/batteries/notebooks.html
If after optimizing your battery you aren't getting satisfactory results, you can certainly try to take it to a service center to see if they will replace the battery to see if it is the battery or the power management of the computer.
I'd only worry about the battery though if you were consistantly only getting about 1.5 hours or less out of it.
6 hours was never "promised". Read this page carefully:
http://www.apple.com/ibook/specs.html
"Up to 6 hours." If it had said "Always 6 hours and if not, we'll warranty replacement" I'd say that would be a promise. But it does not.

My battery fluctuates, is it truly a 7 hour battery life?

Ok,
Apple "claims that the new unibody MacBook Pro's have a battery life of 8 hours on the 17" and 7 hours on the 15" I have the 15 and when I go portable, I notice that my time on the battery icon in the top toolbar fluctuates. One second it could be on 3:45 and then the next minute it could be on 6:59 and then the next 1:45. Is this an apple glitch or it is something with my laptop?

Retired Engineer wrote:
They did not say the battery life is 7 hours, they said it is UP TO 7 hours. You will only achieve that with a very light processing load and the screen turned down to one notch above off and bluetooth and wireless turned off.
That is inaccurate. Apple documents "up to 7 hours wireless productivity test" on the MacBook Pro's Tech Specs page as follows:
The wireless productivity test measures battery life by wirelessly browsing various websites and editing text in a word processing document with display brightness set to 50%.
So it's 50% brightness, not zero, and wireless is turned on, not off. Apple is pursuing more realistic battery life estimates than in years past, and also more realistic than many other companies advertise.
Is this true? Is Apple's test realistic? Well, some independent reviewers, with their own tests, have achieved over eight hours. The linked reviewer was not the only one, but I'm too lazy to Google the rest.
That said, it's true that battery life is completely dependent on settings and power drain. If you're editing Photoshop or video, no way will you get seven hours. Under a heavy CPU, disk, or video card load, you might see 2-4 hours.

MBP 13" Aug09, lost 2 hours battery life after upgrading to SL

Hi, my Macbook Pro bought on Aug 09 lost 2 hours of battery life after an upgrade from Leopard to Snow Leopard.
I brought it to the Apple service center where they checked the battery and they said that the battery has no problem.
Then, they suggest me to format my mac and reinstall Snow Leopard on a clean disk which i did without any success.
So now, my battery still hold 100% of it's original capacity (over 5450mAh) but my battery died before 3 hours with 0 program running !? (it used to last over 5.5 hours while running Leopard)
What's the matter with my battery.
And of course, i tried all the calibration before i post this topic.
If anyone can help now, it would be so great ! can't expect anything from Apple as they consider my battery as new.
Thanks !
Message was edited by: jay77hkbr

I too have been experiencing worse battery life.
I used to have about 3.5 hours on my now one year old Unibody MBP.
After SL (and switch from original 5400rpm to seagate momentus 7200rpm) I'm now down at about 2 hours.
Wifi enabled
Bluetooth enabled
Brightness around 80%
2 hours is very little compared to the promised 5 hours.
My battery stats:
Health: 94%
Cycles: 112
Full charge: 4344mAh
Feels like I'm on an old lousy PC laptop again.

W520 - Battery Life Under 2 Hours!

Hello there!
I've been experiencing the problem where my Nvidia Graphics card does not automatically switch to the Intel Graphics card --- or if it does --- it does not allow me to have the 5 hours + of battery life that I use to have when I was using Windows 7 (right now I am using Windows 8).
I also don't have the Lenovo Power Manager program installed because I can't seem to find it anywhere on the installation pages for my particular laptop with Windows 8. I wonder if this is the problem since its using Windows Power Manager -- even though I have installed the Power Driver multiple times.
Even when I get it so I make sure that no applications are using the Nvidia Graphics card (confirmed by the Nvidia GPU Activity icon), I still get the under 2 hours battery life. I am using the 9v battery -- the larger one.
Any help would be greatly appriciated so I can get the full battery life out of this laptop, as when I had Windows 7 installed. Thank you :-)

Hi brooklotzkar
1. Go to Control Panel (Small icons)> Lenovo - Update and Drivers > Install all critical and recommended updates. Optional - Up to you to decide as you may not be using all the functions. If this options is not available, Download here and install.
2. Go to Control Panel > Power Options > Check Power saver. Power Plan make a big difference on both battery life and performance.
From what I tested on my W520 - Core i7 2720QM
Maximum Battery Life or Power saver: CPU clock speed at 800MHz constantly, but performance decrease. You wouldn't want to multitask too much when on battery.
Maximum Performance or High Performance: CPU clock speed will go up from 3 - 3.2GHz (Depending on how many core / thread the program will utilize)
3. Battery will vary depend on how many / what kind of apps are opened. I have tried using 5+h on 6-cell battery without any problem. (Battery Stretch, only running Microsoft Word and 1 tab of Internet Explorer) It is recommended to run Internet Explorer on battery as it requires less resource, hence battery life will not run out as fast.
http://lifehacker.com/5566020/how-to-maximize-the-battery-life-of-your-windows-laptop
Hope this helps.
Peter
W520 (4284-A99)
Give kudos to reward people for their assistance | Mark the thread solved if the solution works | Direct e-mail regarding technical problems will be ignored
=====================================
Dolby ; IdeaPad Slate Tablet ; Equalizer APO

Battery life, only 3 hours?

Hello everyone I come to you tonight with a question regarding my Macbook Pro's battery life.
This computer is fairly new, it was purchased in September of 2011. At the time I was getting the advertised 6-7 hour battery life.
As time goes on, I do understand that the battery, will wind down. As of right now, I'm at 147 battery cycles and my batters "hp" (whatever that means, I don't know how that's measured.) is at 95%.
So with that, I'm now only getting 3-3.5 hours of total battery life, with my bluetooth off, and I'm only doing minor web browsing, with no flash. I'm writing this, with the only other application open being iTunes, and my timer is at 3:35 minutes @ 97% battery. My keyboard backlight is off, and my screen is only on 3 dots of the total possible. (Sorry that's very poorly described, I'm not sure of the proper way to go about it.)
So I'm wondering, is there anything that I could or should do to fix this?
The specifications for my computer are as follows, for those interested.
Mac OSX 1.7.2
2.7 Ghz Intel Core i7
8 gigabytes of ram
Thank you.

Battery Information:
Model Information:
Serial Number: xxxxxxxxxxxx
Manufacturer:          SMP
Device Name:          bq20z451
Pack Lot Code:          0
PCB Lot Code:          0
Firmware Version:          201
Hardware Revision:          000a
Cell Revision:          158
Charge Information:
Charge Remaining (mAh):          4742
Fully Charged:          No
Charging:          No
Full Charge Capacity (mAh):          5477
Health Information:
Cycle Count:          147
Condition:          Normal
Battery Installed:          Yes
Amperage (mA):          -1443
Voltage (mV):          11920
System Power Settings:
AC Power:
System Sleep Timer (Minutes):          60
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          60
Wake on AC Change:          No
Wake on Clamshell Open:          Yes
Wake on LAN:          Yes
Display Sleep Uses Dim:          Yes
PrioritizeNetworkReachabilityOverSleep:          0
RestartAfterKernelPanic:          157680000
Standby Delay:          4200
Standby Enabled:          0
Battery Power:
System Sleep Timer (Minutes):          10
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          2
Wake on AC Change:          No
Wake on Clamshell Open:          Yes
Current Power Source:          Yes
Display Sleep Uses Dim:          Yes
Reduce Brightness:          Yes
RestartAfterKernelPanic:          157680000
Standby Delay:          4200
Standby Enabled:          0
Hardware Configuration:
UPS Installed:          No
AC Charger Information:
Connected:          No
Charging:          No

I have the 13 inch macbook pro bought in august 2011,the battery life instead of 7 hours lasts only for 3-4 hours why is this so

i was very impressed when i saw the 7 hour battery life of the macbook 13 in the store . but after using the system it only lasted 3-4 hours completely , same was the case for windows 7 pro. all the other functions of my mac are working fine.I buyed the system pin packed in front of me.I questioned the retailer about this but he had no clue what was happenig which caused this.I think this has something to do with china as my mac has been assembled in china and designed by apple californiahttp://computershopper.com/laptops/reviews/apple-macbook-pro-13-inch-2011-versio n these are the specs and the review of the system.but remove the phenominal battery life from the pros.I'm new to apple so please also provide me a location where i can get apple support in Pakistan

The 7 hour battery life is maximum that can be expected with minimal drain, but 3-4 hours either means you are using it very, very hard or the battery is bad. OR the gauge needs calibration, see below.
Turn off WiFi if you are not using it, and dim the display to also save battery power. It also depends on the applications that you are using.
One months is awfully fast for you to lose that much battery time. If the laptop was new, then I would talk to the seller about an exchange, at least exchanging the battery.
Have you tried calibrating the battery? See
http://docs.info.apple.com/article.html?path=Mac/10.6/en/9036.html
for how. Please note, this only calibrates when the MBP charges the battery and resets the calibration of time or percentage of battery charge left. The lithium battery does not have a memory.

My ipad is less than 3 months old but my battery life is not great. What can I do? Within an hour I have lost nearly 30% of battery life

My ipad is only 3 months old and already just from using pages for about an hour the battery life has gone down by 30%. Is this correct or is there something wrong with the battery life? So much for 10 hour battery life....

You may have stuff running that you don't know you hve running. Such as notifications default to on, so you may have a bunch of stuff going out and reaching for info that you don't realize is running. So you can look there, and also look at your mail. If it's set to fetch mails or to push. if it's on push, then y our iPad is reacing out to get the mail all the time.
So try turning stuff off. but if the battery is still not acting like you want it to, make an appointment at your local apple store and have them run diagnostics on it, just to make sure. they might also be able to give you some tips or find what's draining your power.

TS2634 The battery life on my new iPad is only about five hours when apple claim ten hours is this normal

The battery life on my new iPad is only about five hours when apple claim ten is this normal

Apple's note on 10 hours: Battery life varies by use and configuration; see www.apple.com/batteries for more information.
Check out here for battery saving tips: http://www.apple.com/batteries/ipad.html
Keeping screen brightness at 50% or less is one of the easiest ways to conserve battery. Turn off Bluetooth and LTE if not in use is also useful.

Yoga 2 Pro 13.3 Android Poor Battery Life

I am getting between 7 and 8 hours battery life out of my new Yoga Pro 2 13.3" Android tablet just browsing the internet with the screen set to 25% brightness (auto-brightness turned off) and no sound. The power saving screen and GPU settings are turned on and the battery usage shows over 80% of the battery is being used by the screen. I don't have many apps installed.
Seeing as how the battery should be lasting for about 15 hours, do I have a faulty battery? Or maybe a faulty screen?

Hi celare, welcome to the forum.
     Yes, I've had mine for about a month.
     As to the battery usage, I can stretch the battery out to 3-4 days before needing to plug it in, and recharge.
     However, I'm not using it continually. I have the Display time out set to 1 minute, before it goes to sleep, and the screen goes dim. I imagine you're talking about using it constantly for your Internet browsing, without putting it to sleep, and that decreases your battery. As you said, most of the usage has been for your screen. In my Power Consumption Detail, for the Hardware, the WLAN is using more power than the Screen.
         My Yoga 1380F Android get similar, if not better to, most of the Laptops I've owned, on-battery-power usage. Of course YRMV.
Cheers
DragonRider
I'm DO'ing IT
Lenovo Y470 085525U 2nd generation Intel® Core™ i7-2630QM processor ( 2.00GHz 1333MHz 6MB )
IdeaCentre A520 Intel® Core™ i5-3230M processor ( 2.60GHz 2600MHz 3MB )
YOGA Tablet 2 Pro-1380F
X1 Carbon 2nd Gen (20A8) ThinkPad + T420

4 hour battery life surfing internet?

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