Battery life on brand new 13" retina MBP disappointing

Waited a long time to buy the Haswell retina 13" MBP with improved battery life ('9 hrs wireless web'). So far I'm only managing 5 hrs max. And all I do is browse the web and some text editing. Anyone else disappointed? Not sure if I should go have it looked at or if I just fell for another marketing spin. I imagine being told even 2 hours is still 'up to 9 hours'. Grr.

I've actually noticed this problem. Sometimes I'll have 10-12 hours and then suddenly it'll drop to five. I'll turn off wi-fi, bluetooth, set the brightness to two or three and close all programs, and barely see any change.
Last night I did some investigating and found that the kernal_task was eating up CPU cycles, running at 100-110% non-stop. I restarted the machine and the kernal_task went back to normal and stayed there for a while, and my battery life showed HUGE improvements. I think it might actually be related to the keyboard/trackpad issue others have seen because I've noticed (anecdotally) that the decrease in battery life usually follows the unresponsive spell.
I'm planning to test and document this weekend so that I can report it to Apple. I'd suggest that you look at the Activity Monitor for the kernal_task when you're getting poor battery life and see what percentage it's running at. I suspect you'll see it's high. When it's running normally, I get crazy good battery life. If you find it is, take screen shots and report it to Apple. Runaway kernal_task is not a new probelm with a new OS. It's been reported in most of the other major releases.

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I have had my mbp 11 days now, and the battery life seems very short.
I have tiger woods 08 installed
20 minutes of playing and the battery life is down from 100% to 20%.
This seems very short, its not only playing games, the battery life seems to go down very fast when browsing the internet etc.
Cycle count is 8.
Can anyone tell me, is this what i should expect?

In particular read the article on calibrating the battery. If you haven't done this, then I suggest you try it first. If problems persist then followup with a call to AppleCare or your local Apple retailer.
About Batteries in Modern Apple Laptops
Apple - Batteries - Notebooks
Extending the Life of Your Laptop Battery
Apple - Batteries
Determining Battery Cycle Count
Calibrating your computer's battery for best performance
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If there are a lot of errors, perhaps the hard drive is physically failing. Perhaps it might be better to simply add a drive to the second slot and install the system on that.

HT1338 How can I conserve battery life on my new macbook pro? I got it 2 weeks ago and am noticing that the battery depletes quickly. I dim the screen and keyboard backlight & mainly use Safari (multiple tabs).

Appreciate any help!

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Brand new imac Retina and can't enter Apple Diagnostics. Doing it wrong?

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Clayton Rhoades wrote:
They've extended their 14 day exchange to 60 days for me while we sort it out.
That's might nice of Apple. Personally, I would not be sorting anything out on a brand new Mac. I would be demanding a brand new replacement. One that is suppose to work rigiht out the box.
I may try yet another separate call to discuss this with them but I thought I'd check here to see if anyone has encountered/solved this issue, see if I'm going about it the wrong way.
I'm holding down D and I'm connected by ethernet.
The techs wanted you to run Apple's Hardware Test. See KB Article: Using Apple Hardware Test - Apple Support
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My battery life on my new Iphone 4s is the pits! I had a blackberry and so much better..I am not using my phone that much but don't even seem to get much out of it. Anybody help with suggestions???

I am trying to figure out how to improve my battery life on my new Iphone 4S. It is so poor ! I had a blackberry for few years and just bought my new Iphone. So disappointed in this battery life!
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I understand all of this Meg; that is why I bought an Iphone; but never expected my phone not even give a at least a 24 or even 12 hours....I work 12 hour shifts and also would expect to have to charge each night but not twice a day or more. I am not always somewhere I can charge my phone.
Your points are true; however it doesn't help me......

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Please click "Accept as Solution " if you feel my post solved your issue, it will help others find the solution.
Click the "Kudos, Thumbs Up" on the bottom right to say "Thanks" for helping!
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**Click on “Kudos” Star if you think this reply helped** Or Mark it as "Solved" if issue got fixed.

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
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Battery life on my new Macbookair 11 in

I am only getting about 5 hours of battery life on my new macbook air 11 in. Any thoughts on this...

indicated life or ACTUAL life?
The time "remaining" estimate is (just that an estimate) is currently inaccurate in some instances in Mavericks, others report same and much testing on my own of several machines indicate the same.
This however does not affect the ACTUAL battery life.
recommend the free APP called coconut battery and checking via mAh of charge rather than a time "remaining" indicator until this is resolved
http://www.coconut-flavour.com/coconutbattery/
Or can contact Apple for free service and/or in shop diagnostic as you are entitled to same.
I can happily report around 20% increase in battery life (actual) on 2 different Air, and additionally much faster boot times (from 22 seconds down to 7 seconds)
Peace
SMC reset and re verify
SMC reset
Shut down the computer.
Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
Release all the keys and the power button at the same time.
Press the power button to turn on the computer.
Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC.

Save and Protect your iPad Device: How to Save and Prolong the battery life of your new ipad

Please, as you read add more answers to this on how to prolong and save your ipad battery life. Thank you
Saving the battery life of your iPad
1.Keep Your iDevice Out of the Sun
Whatever you do, don’t leave your iPhone or iPod sitting in a hot car—heat kills batteries faster than any other factor, and your device that used to keep a charge for hours will eventually barely hold a charge, and you’ll have to pay Apple to get it replaced. The same thing holds true for any really hot environment: try and store your device in a cool place.
Reduce the Screen Brightness
If you keep the screen at maximum brightness all the time, you’re wasting a lot of battery life—and the screens these days are so bright anyway that you don’t really need to, especially at night. Head into Settings -> Brightness & Wallpaper to adjust the default level of brightness, which you can probably keep as low as 30% most of the time.
2. Make Sure the Screen Locks Quickly
Even if you’ve adjusted the screen brightness, there’s still no substitute for having it turn off quickly when you’re not using it. Head into General -> Auto-Lock to set the screen lock to happen as quickly as your device will let you. This makes a big difference if you are always picking up your phone and putting it back into your pocket without turning the display off.
3. Use Airplane Mode When You Don’t Need Internet (iPad/iPhone)
If you’re busy spending the next 8 hours playing Angry Birds, there might not be a good reason to have internet access, so you can consider using Airplane Mode, which turns off both Wi-Fi and the regular wireless radio. Of course, this will prevent phone calls if you’re on an iPhone—but if you’re busy with Angry Birds you probably don’t want the interruption anyway.
4. The more important reason to use Airplane Mode is when you’re mobile in an area with a really spotty connection—because the iPhone or iPad will try to stay connected at all times, it’s going to be constantly searching for a connection, which can drain your battery. Head into Settings and flip the Airplane Mode switch right up at the top of the screen.
Use Wi-Fi Instead of 3G if Possible
According to Apple, the iPad will get 10 hours of battery life under regular use with Wi-Fi enabled, but will only get 9 hours using 3G—the iPhone gets 6 for 3G and 10 for Wi-Fi. Of course, if you’re heavily using the Wi-Fi, you’ll still be draining the battery—the point is under similar workloads, Wi-Fi is better than 3G for battery life.
You can enable Wi-Fi under Settings -> Wi-Fi, and then pick the network you’d like to connect to.
5. Reduce or Eliminate Mail & Calendar Checking
If you’ve got a bunch of email, calendar, or contact accounts configured, and they are all being checked and downloading email on a regular basis, you’ll be draining the battery an awful lot faster than you need to.
Head into Settings -> Mail, Contacts, Calendars -> Fetch New Data and change the setting to the least frequent check possible. If you don’t use it often, you can just turn Push off entirely and then manually check when you need to.
6. Reduce or Eliminate Push Notifications
Do you really need notifications from Twitter or whatever other apps you’re running? You can turn these off one-by-one, or turn off Push entirely by heading into Settings -> Notifications, and save a bit of extra battery life since your device won’t be pulling in data for those applications anymore.
7. Reduce or Eliminate System Sounds
This one is probably a little silly, but if you really don’t care for the system sounds you can save a small amount of battery life by removing the sounds. A very, very small amount, most likely. Head into Settings -> General -> Sounds to change them.
8. Disable Location Services
If you don’t really need the location services, you can disable them to save some battery life. Head into Settings -> General and flip the Location Services setting to off.
9. Disable Bluetooth If You Don’t Need It
If you don’t use a Bluetooth headset or keyboard, you should keep the Bluetooth radio disabled to save some extra battery life. Head into Settings -> General -> Bluetooth to flip it on or off.
10. Disable Vibrate Feature in Games
If you’ve got a game that uses the vibrate feature, you can turn that off to save some battery life. This mostly matters if the game heavily uses it, and you’ll need to change the setting for the game. As a side note, and it should go without saying, if you’re running really intensive video games, they will kill your battery very quickly.
11. Charge and Discharge Your Battery Regularly
Your iDevice needs to be fully discharged and recharged at least once a month to operate at maximum efficiency and keep the battery from dying. You’ll also want to make sure that you don’t store the device with a dead battery, as that can also cause the battery to lose charge capability—when your battery dies, make sure to recharge it quickly.
<Edited by Host>
Irem Bright writes and would love your own addition if you got other helpful tips.
Thank you all.

11. Charge and Discharge Your Battery Regularly
Your iDevice needs to be fully discharged and recharged at least once a month to operate at maximum efficiency and keep the battery from dying. You’ll also want to make sure that you don’t store the device with a dead battery, as that can also cause the battery to lose charge capability—when your battery dies, make sure to recharge itquickly
The reason that Apple suggests you drain and recharge your battery once a month is not because it affects the life ofthe battery. What it actually does is calibrate the battery sensor, giving you a more accurate reading.
Other than that, you done an admirable job of summarizing the Knowledge Base article:
http://www.apple.com/batteries/ipad.html
Best of luck.

Is 8gb worth it for the new 13" Retina MBP? or should i stay at 4gb?

So im planning on buying the new retina MBP. Really not sure if 8gb is worth it or if i should stay at 4gb. I plan on using this as my main computer for School and Home.

Get the 8gb.
Back when it was possible to add memory yourself starting out with the minimum and adding more memory if you needed it was the way to go but now you're stuck with what you buy and if you undersize the memory you will not be happy with the system.
regards

Premiere Pro on brand new MacBook retina 11,3 2014 crash and glitch

Ok, I've read a lot of post about the CUDA compatibility on new MacBookPro, and i don't have installed and don't use the cuda driver but only the OpenCL,
I have the MacBook Pro 11,3, 16GB Ram with NVIDIA GeForce GT 750M 2048 MB and 2,8 GHz Intel Core i7 Yosemite 10.10.2 installed on a 1TB APPLE SSD
It is brand new and i have only my AdobeCC installed;
Now I think it's not normal to see glitch on screen or jerky video during the video playback and crash of my premiere pro (2014.2 release, 8.2.0 (65) Build) or I miss something about the Yosemite compatibility?
PS. working with normal 1080p files, DSLR or similar not over 50 Mbps 422
Thanks!
Vito.

Yosemite sometimes has problems, often related to "default" permissions needing to be changed
-one person's solution https://forums.adobe.com/thread/1689788

Battery life on brand new 13" retina MBP disappointing

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