Battery Life of my MacBook Pro

My MacBook Pro is pretty new - I got it in July of 2012, so it's not even a year old. I know Macs are supposed to have reliable and lengthy battery lives. However, I am getting a maximum of 4 (? - maybe a tad more or less) hours of usage each time, before having to plug it into the charger.
Also, when checking the battery percentage, when it's fully charged for example, it will tell me that the computer has around 7 hours of life left, and I've found that this is never the realistic case.
Any ideas on what is going on? Is this normal?
Thanks!

The battery estimate is going to go up and down depending on how hard the CPU, backlight, wireless radios, and storage drives are working. If I render video my battery estimate will go down to like 1.5 hours, but when rendering is over and the machine is idle it can go up to 6 hours estimated but will probably end up 4 hours actual.
Apple's site says "up to" 7 hours battery but that is surfing the web using specific wireless and brightness settings. 4 hours sounds about right for moderate actual work. It's what I get on my year-old MacBook Pro (battery health 98%). You can exceed 8 hours if you have a dim backlight, light usage, and no networking, like when you're on a late-night plane flight.
You can do things like monitor CPU usage. For example, you might think you're innocently surfing the web lightly, but if you have a couple of browser tabs open in the background and there are Flash ads cycling on them, that could take down your battery life real quick even though they are not visible.

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I have over 130 cycles on my computer and I've just had it since March. Even though my battery health was 102.2% when I got my MBP, it's still at 98.8% health and I'm still getting 7+ hours out of my battery. To get the longest use when under battery, keep your activities to low-CPU intensive apps (browser, email client, word processor, etc.) - Internet surfing alone, and not watching a lot of online videos, will give you mor ebang for the buck. You can also check your battery health in 'real time' by using "Battery Health" - free from the App Store and you can make sure that you're running on integrated graphics, which uses less power, by downloading Cody Krieger's exceptional gfxCardStatus.
Keep your screen brightness down to about four ticks and your keyboard backlighting to one tick - should work fine.
Good battery health to you,
Clinton

How do I prolongue the battery life of my macbook pro?

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I bought a MacBook Pro 13-inch a week ago. For the most part, I'm very pleased with it. But I'm disappointed in the battery.
Apple claims "up to 7 hours." The "up to" language clearly means that there is no guarantee of 7 hours regardless of how the computer is used. But it implies that this amount should be attainable with moderate use -- at least when the machine and battery are brand new.
I find that I'm getting 4-5 hours, with Bucktooth off, keyboard lighting off, screen at about 70% brightness, wireless on, running Apple Pages for word processing, doing moderate amounts of surfing on Safari, doing occasional iTunes stuff -- but really nothing else. That seems to me to be quite moderate.
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I was wondering the same thing. I normally run my backlight on the lowest setting or 25% brightness maximum and my keyboard light off. I also have bluetooth off most of the time. I find I still only get around 5ish hours if only doing internet/word processing.
A quick crude experiment I just ran was that Microsoft Entourage uses quite a bit of battery that I never really thought of. By using mail and ical instead of entourage I was able to have 3 more minutes for a 5% drop in my battery level. If this extrapolates for the entire life of the battery it may be costing me an hour of battery life. I like some features of entourage (my day, how the to do list is organized, etc) but hate others (how it drops my IMAP connections, resets my rules, and now how it appears to use a lot more resources).
I'm going to try using mail/iCal instead of entourage now and see if it offers better performance.
Also, here is a site I found on simple tips to increase your battery life.
http://theappleblog.com/2009/10/06/14-ways-to-be-kind-to-your-battery/

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15-inch MacBook Pro
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Also, here is one MacBook Pro user guide:
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You can get this information by opening the application "System Information" in the folder "/Applications/Utilities". Select the informtion from the "Hardware > Power" section
It should look something like:
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Hi,
is it possible to stop battery charging on a MacBook (Pro) with the power plug connected? I have looked into the PM api docs but cannot find anything to do that.
The idea is to make a menu app to toggle between "Preserve Battery Life" and "Full Power" modes. According to http://www.batteryuniversity.com/parttwo-34.htm, Li-Ion batteries loose less capacity over time when charge level is about 40% of max. capacity, escpecially with the comparatively higher temperatures that are given in a running notebook.
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Hi,
is it possible to stop battery charging on a MacBook (Pro) with the power plug connected? I have looked into the PM api docs but cannot find anything to do that.
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No one here works for Apple nor does Apple visit this message board. We are all end users like yourself helping each other out.
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Also I want know the Best headphone compatible with macbook pro Retina that help me to Hear and Record ?
Notes ( the macbook pro 15" has just one port for the headphone usually it's tow for record and hear)
Best Regards,

The MacBook Pro charging circuit will charge the battery until it reaches 100% charge and then switch to power mode for the MBP. When the battery drops to 93-95% charge the circuit will switch back to charging mode to top off the battery charge again. You will not harm the battery or MBP by leaving it plugged in most of the time.
There are many good headphone/microphone combinations on the market, best really is more a function of how much money you want to spend. Check those offered in the Apple on-line store for features/price to see what would best fit your needs. You can also look at audio equipment suppliers, all the earphones need is a standard 3.5 mm plug.

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This macbook is not an old at all Id say less than a year. I had trouble charging my macbook (without the problems above) so my brother took it to Best Buy and they said to get a new charger but then I turned it on and this was going on sooooooo confused please help. The fan is overworking the battery has an X on it and it says there is no battery avaliable its a Macbook Pro 13.3
PS I hate punctuations

You may hate punctuation, but you'll find that many of the people with whom you try to communicate, including prospective employers, find it an indispensable aid to clarity and understandability. Without it you're just babbling formlessly, and whatever you're trying to say is so hard to decode that most people, including me, won't bother.

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hi all, i am getting pretty poor battery life out of my new macbook air. can you pro's check out my running info and figure out what is sucking my battery?
Hardware Information:
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          MacBook Air - model: MacBookAir6,2
          1 1.7 GHz Intel Core i7 CPU: 2 cores
          4 GB RAM
Video Information:
          Intel HD Graphics 5000 - VRAM: 1024 MB
System Software:
          OS X 10.8.4 (12E3067) - Uptime: 0 days 0:15:51
Disk Information:
          APPLE SSD SM0128F disk0 : (121.33 GB)
                    disk0s1 (disk0s1) <not mounted>: 209.7 MB
                    Macintosh HD (disk0s2) /: 120.47 GB (79.38 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
          Kingston DataTraveler 2.0 31.22 GB
                    UNTITLED (disk1s1) /Volumes/UNTITLED: 31.22 GB (31.15 GB free)
          Microsoft Microsoft® Nano Transceiver v1.0
FireWire Information:
Thunderbolt Information:
          Apple Inc. thunderbolt_bus
Kernel Extensions:
Problem System Launch Daemons:
Problem System Launch Agents:
Launch Daemons:
          [loaded] com.google.keystone.daemon.plist
          [loaded] com.microsoft.office.licensing.helper.plist
Launch Agents:
          [loaded] com.google.keystone.agent.plist
User Launch Agents:
          [loaded] com.spotify.webhelper.plist
User Login Items:
          iTunesHelper
          Dropbox
          Spotify
          uTorrent
3rd Party Preference Panes:
          None
Internet Plug-ins:
          JavaAppletPlugin.plugin
          MeetingJoinPlugin.plugin
          QuickTime Plugin.plugin
          SharePointBrowserPlugin.plugin
User Internet Plug-ins:
          CitrixOnlineWebDeploymentPlugin.plugin
Bad Fonts:
          None
Top Processes by CPU:
              10%          Google Chrome
               3%          WindowServer
               2%          Spotify
               2%          Microsoft Outlook
               2%          Dock
               1%          EtreCheck
               1%          fontd
               0%          unetbootin
               0%          Microsoft Lync
               0%          Microsoft Word
Top Processes by Memory:
          131 MB             Messages
          115 MB             Spotify
          106 MB             Google Chrome
          106 MB             Microsoft Outlook
          106 MB             WindowServer
          90 MB              iTunes
          90 MB              Dropbox
          86 MB              Google Chrome Helper
          74 MB              iPhoto
          74 MB              Microsoft Lync
Virtual Memory Statistics
          1.23 GB            Free RAM
          1.70 GB            Active RAM
          456 MB             Inactive RAM
          502 MB             Wired RAM
          558 MB             Page-ins
          0 B                Page-outs

this is my case... just let charging almost all day.
it's too big drop from 12 to 8 hours... Im not even using such processor...
it feels like a lie...

Battery Life of my MacBook Pro

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