Can MacBook battery life be as longer as MacBookPro
Hello
I had watched the new add about MacBookPro' s battery life and thought if I could use my MacBook up to 8 hours and if I could charge my MacBook up to 1000 times, which is also extremely a big number for charging cycles, it would be really great for my education. During some long meetings or presentations (like Apple Keynotes) I need some charging equipment and sometimes the electrical sysytem of the meeting rooms don't let me to recharge my MacBooks battery. So my question is "Can a kind of powerfull battery, like MacBookPro's, seperately sold for also other Apple remote products?"
Nope not available for anything except the 17" MBP.
If you want to maximize your battery life turn off bluetooth, IR in the security prefs unless you are using a remote device, wifi, and turn down your brightness a bit. Also make sure you are calibrating your battery to keep it in shape every 2-3 months. by charging to full and letting it charge for two more hours, letting it drain all the way, and then letting it sit discharged for at least 5 hours. Last, charge it fully.
Similar Messages
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Good morning all,
I recently purchased a MacBook (a thing of beauty) but seem to be having problems calibrating the battery. I have tried many times and can only seem to get about 1:30 out of it. I thought the battery was faulty so took it back to the Apple Store.... they replaced the entire computer. But this one seems to be the same.
To confirm:
Let the battery run flat ('till the computer goes to sleep)
Charge fully (not using the computer during this part of the process)
Run for at least two hours while plugged in (have been using it at this time)
Then run on batteries untill it goes to sleep
Leave alone for a least 5 hours
Fully recharge
I have the computer set to "normal" for battery use.
Any thoughts?
JoeJoe Henson wrote:
To confirm:
Let the battery run flat ('till the computer goes to sleep)
This step is not in the instructions nor is it needed with lithium ion batteries. Just let it charge fully for two hours. If the battery is not at 100% and not charging just let the MacBook run on battery until it drops below 93% and then let it charge.
Charge fully (not using the computer during this part of the process)
You can use the computer while doing this. It will not hurt anything.
Run for at least two hours while plugged in (have been using it at this time)
Then run on batteries untill it goes to sleep
Leave alone for a least 5 hours
Fully recharge
Once the charge cycle starts you can use the computer as long as it is plugged in. Do not unplug until it is fully charged or you will interrupt the charge cycle.
The life of the battery depends on all the things you have turned on and what you are doing. Watching movings and having bluetooth and airport running will affect battery life. Turn off anything your not using and see if that helps. One and a half hours does seem a tad short mine usually last at least two hours and that is pretty mach having everything running.
Look here and here for some good tips about battery care. -
Macbook battery life on yosemite
Hi,
I updated my macbook air to yosemite and battery life has reduced. I just use word and safari for my work. No special softwares. Can anyone tell me the solution to this?
ThanksSo here is an update: I've followed the article posted by OGELTHORPE (Thank you!). What I actually did is 1. Reset the SMC and 2. Reset the PRAM (MacBook Air SMC and PRAM reset).
What I've seen so far: Once I did the reset, I would guess that the system needed to re-calcualte again the battery charge. Initially after I disconnected from power, it started with a measurement from under 3:30h. After 45 minutes running on battery it is showing again 8:45h remaining @ 93% charge. What I noticed is that every time I put the laptop to sleep this repeats - starting with some low time measurement and slowly climbing. I think that this could be a bug in the software and the battery charge calculation method is somehow not working properly. I wonder after those resets if the OS needs to get into a couple of battery charge cycles and the battery is calibrated again?
I don't recall having this issue with the last year's release of Mavericks.
I hope someone from Apple sees this and address this with the next OS X update. -
I'm thinking about buying a 13-inch 2.13 GHz Macbook with a 4gb RAM upgrade. I was told that the average battery life of a Macbook is 5 hours. Is this about right?
Every manufacturer estimates battery life under conditions that almost no one would actually fine usable. My older BlackBook (with a newish battery) gets 3 to 3.5 hours without my trying at all hard. By making sure that all my applications are already running, turning off BlueTooth and WiFi, and turning down the backlight to the bare minimum, and saving files infrequently I can get just over 4 hours. I've never gotten close to 5.
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Incredible macbook battery life
After accidently removing the magsafe (glad this was invented) I had a incredible battery life of 61h and 57 min. This was at least shown to me for about half a minute, in which I have seemed to consume so much power, that only hardly 4h were left, afterwards. ; ) Have a look yourself!
I edited the photo with imagetricks, to cover Adium and to enlight the point I'm posting about.
Powerbook G4, 20" iMac G5 soon MacBook Mac OS X (10.4.6)Yes, it does sometimes take a moment for it recalibrate itself. I've seen that happen on my Powerbook before, though it thought it had 9 hours left for a moment.
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Macbook battery life, is there a problem If I keep it plugged almost all the time?
Hello.
New Mac user here, so I was wondering if there's a problem if I keep my MBP plugged all the time.
Most of the time I'm on my room using my MBP fully charged and I don't disconnect it.
Is there a problem with my batter life if I do that?
Or it's recommended to unplug and use it till the battery run off and then charge it again?
Because I work a lot on my MBP and that way in a simple day I could charge it and run uff the energy of the battery 2 to 3 times at day.
What's better for the life of my battery?
And if you could give me some advices to maintenance my battery and Macbook pro (also programs) I would appreciate it.
I own a Macbook Pro 13-inch, Mid 2012
2.9 GHz Intel Core i7
8 GB 1600 MHz DDR3
Intel HD Graphics 4000 1024 MB
With OS X 10.9
ThanksTamarizz wrote:
New Mac user here, so I was wondering if there's a problem if I keep my MBP plugged all the time.
No. I do that most of the time. Perhaps monthly I discharge it to the 40% level to keep the battery happy. Do not discharge the battery completely. If you are forced to use only battery power and you see the battery is low warning terminate your session or plug into AC if you can.
Here are Apple articles with official battery usage guidelines:
http://www.apple.com/support/macbookpro/batteries_power/
Ciao. -
Hi,
I've owned my 13" Retina display for about a month. The most usage I get out of a full charge is 3 hours (keyboard lights off, screen dimmed a bit). All I'm using it for is reading articles and writing text/emails. No Photoshop or other big problems.
Meanwhile my friend can run his from 9am to 4pm daily without recharging.
This is really disappointing. The first powerbook I purchased I had to replace because it kept freezing. Now this.
Is there a solution?
Cheers.futureperfect,
you’re still in your 90-day gratis Apple telephone support period — make use of it. Call Apple, get their recommendations (even if it’s “your battery is defective, bring back your MacBook Pro for a replacement unit”), try them out, and report back in your reply what worked for you, so that others can benefit from your experience. -
New Mid-2013 macbook air BATTERY LIFE decreasing fast?
Hi,
I just bought a new Macbook Air 13" 256GB , 4GB RAM. I'm worried about my battery life. With only 2 hours of just surfing the net and on 50% brightness, my battery life dropped to 60%. So every 30 minutes, it drops by 10%. I also found that my computer usage is 95% idle so how can my battery life waste so quickly??
my battery health is 100%. Is that even normal for a Macbook Air that is only 5 days old?
Thank you!
PS: I am running Mountain Lion OSX.Hardware Information:
MacBook Air (13-inch, Mid 2013)
MacBook Air - model: MacBookAir6,2
1 1.3 GHz Intel Core i5 CPU: 2 cores
4 GB RAM
Video Information:
Intel HD Graphics 5000 - VRAM: 1024 MB
Startup Items:
HWNetMgr - Path: /Library/StartupItems/HWNetMgr
HWPortDetect - Path: /Library/StartupItems/HWPortDetect
System Software:
OS X 10.8.4 (12E3067) - Uptime: 0 days 0:3:21
Disk Information:
APPLE SSD SM0256F disk0 : (251 GB)
disk0s1 (disk0s1) <not mounted>: 209.7 MB
Macintosh HD (disk0s2) /: 250.14 GB (135.77 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:
com.rim.driver.BlackBerryUSBDriverInt (0.0.94)
com.seagate.driver.PowSecDriverCore (5.2.3)
com.seagate.driver.PowSecLeafDriver_10_5 (5.2.3)
com.Bitdefender.iokit.av (2.0.1)
com.rim.driver.BlackBerryVirtualPrivateNetwork (1.0.11)
Problem System Launch Daemons:
Problem System Launch Agents:
Launch Daemons:
[loaded] cn.com.zte.PPPMonitor.plist
[loaded] com.adobe.fpsaud.plist
[loaded] com.bitdefender.avp.AuthHelperTool.plist
[loaded] com.bitdefender.avp.UpgDaemon.plist
[loaded] com.microsoft.office.licensing.helper.plist
[loaded] com.rim.BBDaemon.plist
[not loaded] com.rim.nkehelper.plist
[failed] com.rim.tunmgr.plist
[failed] com.sec.faxdb.plist
[not loaded] com.teamviewer.teamviewer_service.plist
Launch Agents:
[loaded] cn.com.zte.usbswapper.plist
[not loaded] com.bitdefender.avod.18.fullsystem.plist
[loaded] com.bitdefender.avp.antiphishing.plist
[loaded] com.divx.dms.agent.plist
[loaded] com.divx.update.agent.plist
[loaded] com.rim.BBAlbumArtCacher.plist
[loaded] com.rim.BBLaunchAgent.plist
[loaded] com.rim.blackberrylink.BlackBerry-Link-Helper-Agent.plist
[failed] com.rim.PeerManager.plist
[not loaded] com.teamviewer.teamviewer.plist
[not loaded] com.teamviewer.teamviewer_desktop.plist
User Launch Agents:
[loaded] ws.agile.1PasswordAgent.plist
User Login Items:
iTunesHelper
3rd Party Preference Panes:
Box Sync
Flash Player
Paragon NTFS for Mac ® OS X
Internet Plug-ins:
AdobePDFViewer.plugin
AdobePDFViewerNPAPI.plugin
DivX Plus Web Player.plugin
Flash Player.plugin
FlashPlayer-10.6.plugin
iPhotoPhotocast.plugin
JavaAppletPlugin.plugin
OVSHelper.plugin
QuickTime Plugin.plugin
SharePointBrowserPlugin.plugin
Silverlight.plugin
User Internet Plug-ins:
Bad Fonts:
None
Top Processes by CPU:
2% hidd
2% WindowServer
1% EtreCheck
1% BDDaemon
1% Safari
1% fontd
0% BBLaunchAgent
0% loginwindow
0% WebProcess
0% Mac_SwapperDemon
Top Processes by Memory:
324 MB BDDaemon
131 MB mds
131 MB WebProcess
86 MB Mail
78 MB Safari
37 MB WindowServer
29 MB Dock
25 MB SystemUIServer
20 MB mdworker
20 MB PluginProcess
Virtual Memory Statistics
1.77 GB Free RAM
1.37 GB Active RAM
198 MB Inactive RAM
547 MB Wired RAM
230 MB Page-ins
0 B Page-outs -
Plug in the macbook will affect the battery life ?
is it true that it's not recommended to keep my macbook plugged in all the time while I'm using it ? will that help or kill the battery ?
I believe this is incorrect. On Macs with non-removeable batteries, keeping it plugged in will not affect battery life/performance as long as you run it on battery 1-2 times per month to around 40%.
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What follows is a grouping of some of the most fruitful procedures - from what I've seen in the biggest battery life issue thread - and some background information and discussion for solving or improving the battery life with the iPhone 4S and may be applicable also to devices on which iOS 5.0/5.0.1 has been applied. Credit goes to the respective users who contributed this information to the forum and they should be commended for doing so. This is not a final listing. The goal here is to provide a first stop sort of knowledge base document for newcomers instead of having them perusing the never ending threads where the wheel is reinvented on every page...
Please don't post your questions, usage screenshots, or claims that it worked or not for you or anything here except PROCEDURES/DEBUG STEPS/SOLUTIONS or improvements to the procedures already listed here. Try to use point form and to be as concise and clear as possible. Hope all this helps.
Thank you and good luck!
General info and specs
First, take a look Apple's battery tips, info and specs(obligatory reading for all Iphone 4S users - read it once and for all):
http://www.apple.com/batteries/iphone.html
http://www.apple.com/batteries/
... you didn't read it? loll Always remember this i.e. the definition of "usage":
Usage: Amount of time iPhone has been awake and in use since the last full charge. The phone is awake when you’re on a call, using email, listening to music, browsing the web, or sending and receiving text messages, or during certain background tasks such as auto-checking email.
I'm still not convinced you read the links so here's what Apple has to say in terms of fine tuning your battery life:
Optimize your settings
Depending on how they are configured, a few features may decrease your iPhone battery life. For example, the frequency with which you retrieve email and the number of email accounts you auto-check can both affect battery life. The tips below apply to an iPhone running iOS 5.0 or later and may help extend your battery life.
Minimize use of location services: Applications that actively use location services such as Maps may reduce battery life. To disable location services, go to Settings > General > Location Services or use location services only when needed.
Turn off push notifications: Some applications from the App Store use the Apple Push Notification service to alert you of new data. Applications that extensively rely on push notifications (such as instant messaging applications) may impact battery life. To disable push notifications, go to Settings > Notifications and set Notifications to Off. Note that this does not prevent new data from being received when the application is opened. Also, the Notifications setting will not be visible if you do not have any applications installed that support push notifications.
Fetch new data less frequently: Applications such as Mail can be set to fetch data wirelessly at specific intervals. The more frequently email or other data is fetched, the quicker your battery may drain. To fetch new data manually, from the Home screen choose Settings > Mail, Contacts, Calendars > Fetch New Data and tap Manually. To increase the fetch interval, go to Settings > Mail, Contacts, Calendars > Fetch New Data and tap Hourly. Note that this is a global setting and applies to all applications that do not support push services.
Turn off push mail: If you have a push mail account such as Yahoo! or Microsoft Exchange, turn off push when you don’t need it. Go to Settings > Mail, Contacts, Calendars > Fetch New Data and set Push to Off. Messages sent to your push email accounts will now be received on your phone based on the global Fetch setting rather than as they arrive.
Auto-check fewer email accounts: You can save power by checking fewer email accounts. This can be accomplished by turning off an email account or by deleting it. To turn off an account, go to Settings > Mail, Contacts, Calendars, choose an email account, and set Account to Off. To remove an account, go to Settings > Mail, Contacts, Calendars, choose an email account, and tap Delete Account.
Turn off Wi-Fi: If you rarely use Wi-Fi, you can turn it off to save power. Go to Settings > Wi-Fi and set Wi-Fi to Off. Note that if you frequently use your iPhone to browse the web, battery life may be improved by using Wi-Fi instead of cellular data networks.
Turn off Bluetooth: If you rarely use a Bluetooth headset or car kit, you can turn off Bluetooth to save power. Go to Settings > General > Bluetooth and set Bluetooth to Off.
Use Airplane Mode in low- or no-coverage areas: Because your iPhone always tries to maintain a connection with the cellular network, it may use more power in low- or no-coverage areas. Turning on Airplane Mode can increase battery life in these situations; however, you will be unable to make or receive calls. To turn on Airplane Mode, go to Settings and set Airplane Mode to On.
Adjust brightness: Dimming the screen is another way to extend battery life. Go to Settings > Brightness and drag the slider to the left to lower the default screen brightness. In addition, turning on Auto-Brightness allows the screen to adjust its brightness based on current lighting conditions. Go to Settings > Brightness and set Auto-Brightness to On.
Turn off EQ: Applying an equalizer setting to song playback on your iPhone can decrease battery life. To turn EQ off, go to Settings > iPod > EQ and tap Off. Note that if you’ve added EQ to songs directly in iTunes, you’ll need to set EQ on iPhone to Flat in order to have the same effect as Off because iPhone keeps your iTunes settings intact. Go to Settings > iPod > EQ and tap Flat.
Usage specs for the 4S - http://www.apple.com/iphone/specs.html:
Talk time: Up to 8 hours (12.5% per hour drain) on 3G, up to 14 hours (7.1% per hour drain) on 2G (GSM)
Standby time: Up to 200 hours (0.5% per hour drain)
Internet use: Up to 6 hours on 3G (16.6% per hour drain), up to 9 hours (11.1% per hour drain) on Wi-Fi
Video playback: Up to 10 hours (10% per hour drain)
Audio playback: Up to 40 hours (2.5% per hour drain)
So a scenario of normal usage could be for example: 4 heavy hours of 3G internet browsing (66.4%), with one hour of call on 3G (12.5%) and 22 hours of standby (11%) = 100%
A battery life issue is a problem where the drain is really out of spec either during usage or standby or both. For example, multi-% per minute drain during usage or a 10% drain per hour during standby is problematic. Browsing the internet on 3G during one hour and losing 16-17% is not.
Apple's test methodology for claiming the specs:
http://www.apple.com/iphone/battery.html
Procedures
davidch tips (reset+full discharge recharge):
Go through these steps to address the battery after updating to iOS 5.0.1:
1. Reset all settings (settings app-> general-> reset)
2. Go through initial setup steps (lang, wifi, siri, enable location, etc) and choose setup as new phone (don't worry your apps, data, contacts, mail will still be there). Do NOT restore from iCloud or iTunes (It can copy back corrupt settings)
3. Turn off system location services timezone and iAd
4. Fully discharge battery (tilll it shuts off with the spinning wheel)
5. Fully recharge battery (overnight if possible)
In my experience this improves the Standby battery drain issue significantly in most cases. It reduces drain from 2-4% or more per hr to 0.5% or less. It has worked for many, many users now. If it does not work after a few try's you may have a real battery or hardware issue and should contact Apple. Good Luck!
ram130's variant of davidch i.e. additional steps:
Now using davidch original steps and attaching the tweaks I made to get me more usage. As shown on page 29.
Go through these steps to address the battery after updating to iOS 5.0.1:
1. Reset all settings (settings app-> general-> reset)
2. Go through initial setup steps (lang, wifi, siri, enable location, etc) and choose setup as new phone (don't worry your apps, data, contacts, mail will still be there). Do NOT restore from iCloud or iTunes (It can copy back corrupt settings)
3. Turn off system location services timezone and iAd
4. Fully discharge battery (till it shuts off with the spinning wheel)
5. Fully recharge battery (overnight if possible)
6. Disable Siri 'Raise To Speak' and REBOOT *( if possible use another camera to verify the infrared is off after the reboot).
7. Set emails, icloud and calendars to fetch. ** test. Mines on hourly.
8. If your in a no signal and your phone is saying "Searching..." even after 10mins, reboot while in that area and after 1-2min it should say "No Service". This mainly applies to Verizon customers and improve battery life in these areas.
9. *optional* Goto Settings > General > Network and you will see "Hotspot.." loading something, wait a few seconds and it should say "setup personal hotspot" then exit out.
* I notice a great improvement after disabling this and rebooting. This increased my "screen on" usage or at least helped it. Make the change.
** I have not tested push yet to narrow down the drain but I had this change on my phone. I believe exchange push is responsible for some stand by drain. As for icloud, haven't notice much of a difference. Just try it for a day. My email still came in fast most times. Again still testing, will report back on these..
buxbuster tips(wifi sync, iCloud):
These are my own tested workarounds that worked for my iPhone 4S and seemed to have worked for others as well :
Workaround number 1. Deselect wifi-sync in iTunes and press sync.
If that doesn't work try :
Workaround number 2 : Remove iCloud, reset network settings. ( I guess this won't work for you since you don't have it enabled ).
If both workarounds fail, you can always try to completely wipe your phone. That also solved some of the cases out there.
rolandomerida tips - i.e. buxbuster and additional steps:
Finally, I solved the syncing error loop. My contacts are syncing flawessly again between my devices and iCloud, and yes, the battery stopped draining, which is the main topic here.
I followed instructions from buxbuster (check his workaround a few pages up!) and an additional BIG step to restore contacts and syncing, as seen in a MacRumors forum.
This is what I did:
1. Make a backup of your Address Book, using the vCard option (or both, it doesn't hurt). Save it for later.
2. In your iPhone, delete iCloud account. When it asks, accept both: delete AND delete from my iPhone.
3. Reset network settings. The iPhone will restart, then will ask you to unlock the SIM card.
4.Turn Wi-Fi on.
5. Add the iCloud account again.
That's for Buxbuster's workaround. For some, it might work just like that. My iPhone repopulated from iCloud after step 5, but I still had that "server error" on iCloud. I had to do some extra steps, since my Mac was not syncing to iCloud and couldn't edit anything on my Mac or iCloud. Syncing back had to be fixed, too. If not, the syncing loop would continue from my iPhone, and the battery would drain awfully again.
1. In System Preferences -> iCloud, I turned Contacts off. I chose "keep on My Mac" those contacts, but I got an empty Address Book after a while. And a few minutes later, iCloud contacts were empty and my iPhone also. It is scary at first! Now, before importing that vCard backup...
2. Turn Wi-Fi off. This is important, since your contact-empty iCloud will attempt to wipe your Address Book from your Mac in seconds after importing.
3. Import your vCard backup to Address Book. Just drag it to your blank Address Book window; it asks if you want to import "x" number of cards. Of course, say yes.
4. Turn Wi-Fi on, and then iCloud contacts on again (System Preferences -> iCloud). It will offer to merge your newly populated Address Book with iCloud (which is empty at this point). It should upload every single contact to iCloud, and then to your iDevices. If not, a fifth step would be to import the vCard file to iCloud, but it shouldn't be necessary.
So, with iCloud syncing working correctly, there is no battery draining! Again, that was my particular issue.
I can't tell if this is the single answer to the widely spread battery draining problem, but it sure can be fixed with these workarounds, and yes, Apple should address the problem with a future update, for we affected customers don't need workarounds in the first place
This is the MacRumors discussion:
http://forums.macrumors.com/showthread.php?t=1256807
And dont' forget to check buxbuster's fix, video, and THANK him!
Miless tips (full 800mb release of 5.0.1 and sanitizing a restore):
As for 4S battery life. Try doing this,
1. Settings>Location Service ... disable all location services you do not need. In particularly Facebook because it drains the battery a lot.
Scroll down to the bottom at Settings>Location services>System Services ... Disable Setting Time zone, location based iAds, Diagnostic & Usage.
2. Settings>Notification>Calendar ... turn off the Notification Centre.
3. Settings>General>Reset ... do Reset All Settings. Doing this will not wipe out your iPhone. It will just Reset the network settings, location warning, keyboard dictionary, etc... but it will clear up some corrupted data there. Generally this will help.
Try these 3 steps first... if it still drains a lot, try the following,
4. Drain your battery down to 1%. Then charge it up using USB from PC ... not the charger. The charger output 1.0 A ( x 5V from USB ... you get 5W power). From PC, output is only 0.5A x 5V = 2.5W power. Charging is slower but trickle charge 4S helps the battery retain its charge better. I think it takes about 3-3.5 hours to charge full from USB/PC compared to slightly below 2 hours using iPhone charger.
If after doing the above still could not solve your battery issues (mine with iOS 5.0 was ok up to step 4, but not iOS 5.0.1).... plug you iPhone to a charger (any charger), from iPhone, access your iCloud ... set it up if you havent. Back up your iPhone data to iCloud. if you do not have enough storage (only 5GB is free), go to details and select the apps you need its data backup, choose only those you really need and leave those unnecessary ones out. Back up your camera roll to your PC/Mac manually as it could be too big to backup to iCloud.... once you have it setup, make sure you are on Wifi ... tap backup to iCloud from your iPhone. It will take a while if the file is huge.
Once backup to iCloud is completed, plug your iPhone to PC/Mac and launch iTunes 10.5.1 (make sure you have 10.5.1)
Click Restore. It will automatically initiate a download of iOS 5.0.1 ipsw for iPhone 4S. Wait for the whole process to finish, ie. download, restore software/firmware.
Once its done, do not set up your iPhone from iTunes. Set it up on your iPhone. Go through the selection. When prompted, select restore from iCloud (from your iphone backup earlier). Keep your iphone plugged into iTunes while restoring backup from iCloud. Because while restoring from iClouds, some data will be synced from iTunes if you plug in, e.g. music, video, etc... unless you bought these content from iTunes store. Apps will be downloaded from App Store from the cloud.
Once it's all done restored. Turn off your iPhone,.. and turn it on again.
Now, hopefully your battery wont be draining so fast anymore. Usually it wont after this. But you need to charge your battery at least 4-5 cycles to stabilize the charge on the battery. I dont know why... but battery life seems to get better and better for me after a few charge cycles after all the above work.
Good luck. Let us know if it works for you.
W. Raider tips (Sirii):
Bottom line for me of things that helped battery life are:
1. Turing off Siri and Rebooting the phone by holding the Home button and Top button down, ignoring the slider, until the phone shut down. (turn off Siri, reboot, and check top front of iPhone 4S against a lesser camera like the front-facing camera on an iPad2 - making sure the IR sensor is off)
2. Fully draining the battery, meaning using the phone until it shuts itself off from a drained battery and then recharging it to 100% about 4, maybe 5 times. I charged it both with a Mac and a wall charger.
Hope this is helpful!
Comments
jmm514 remarks (Twitter):
I may have found something. I had Twitter disabled in my notifications, but got a tweet today that popped up on my home screen. Didn't know I had this enabled. At the bottom of the Twitter notification settings is the home scrren toggle. Since disabling this, battery life seems better. Considering there is no setting for frequency of checking for tweets, it appears the phone is continually connecting to wifi to check for new tweets.
tmksnyder comments (notifications, corrupt data in iCloud):
For me, I found my iphone on wifi mysteriously connecting to my mac. I eventually narrowed it down to the Apple Move Trailers app which keeps a file in iCloud. The phone was trying to sync the file with the mac in the background even when the Movie Trailers app was closed (hitting the red x). Based on my macosx logs the iCloud process that was trying to sync was working directly between the phone and the mac without using itunes by connecting to an https address hosted on the phone. It was connecting every 3 minutes and failing (while phone was awake or awake during during a notification). I also found that iCloud control panel on OSX would error if I tried to delete the file. I fixed it by removing the App and doing a hard reset which stopped the sync. I probably could have turned off iCloud document sync in the phone but didn't think of that. My battery life has greatly improved while at home on wifi. I am now at 28 hrs standby, 2 hrs 20 minutes of usage, and 68% battery. It was ok before where I could get 20-30 hrs standby and 6 -8 hrs usage. My usage today was phone calls, 3g surfing, and music via bluetooth in the car.
I also found even with Itunes iMatch, if I mass updated tages, art work etc, it would hit the phone on wifi even in standby. I was amazed. Granted if I am not doing updates, Match won't hot the phone so this was a once in awhile event. I could drop my percentage by 5-10% in a matter of minutes when doing updates. I think a lot of our problems are background processes, associated with iCloud, notification, and apps. More features means more battery. I think the key thing is to keep track of what has recently been added or changed if battery life gets worse all of a sudden. It may be an app that was recently installed and if possible you may want to completely remove it and not just quit it.
With twitter, i think it uses push notifications so it doesn't need to be running and actively poll on the phone. For instance , if i quit the mail app, i still will get mail notifications and can swipe the message and load mail. Apple Push Notifications servics maintain the connection to the phone and there are likely pings or connection checks that occur for the service on an os level not an app level. This minimizes the load so there arent a bunch of apps all runing and constantly checking. The notification service , if it is contacted from twitter or another service with data, will check the settings you have registered to the with the apple push service and send the notification to your phone. No matter what, there is a drain with notifications. M hunch is once one application is configured to receive notifications, connection checking occurs betwen the push service and the phone so it knows where it is on the network. If it is implemented correctly, these checks arent frequent if you are still and more frequent as you move. The other drain is for when the noification hits and is processsed. If i get 9 emails over night, my screen just popped up for 20 seconds or so to process each message using battery. I would even think that just go from low power to turning n the screen uses more juice than if the device was already on and i get the message. On nights I get no notifications, I see a 3 or 4 percent drop. On nights with a number of notifications, i have seen up to a 10 percent drop. Besides notifications, wifi sync and icloud will poll on the local network and use up battery if the host computer is on and running itunes or trying to sync a data file that is corrupt (which i had with the apple movie trailers app causing my phone to drain). For me turning off wifi sync and remving a corrupt file in icloud solved my battery issues and I get over 24 hrs of standby with 6 to 9 hrs of use and this is with all the normal location services and push serivices turned on.
See http://developer.apple.com/library/mac/ipad/#documentation/NetworkingInternet/Co nceptual/RemoteNotificationsPG/ApplePushService/ApplePushService.html for more info. I think it has a good overview of how the notifications work.Well seems like that rumor of iOS 5.0.1 is finally gone the way of the dogs since developers got a beta of 5.1. So as stated earlier in the master discussion-> I suspect if you are filling up this thread with false post or creating a master set of links to various post that are unreliable you are wasting your time. Press is not going to touch the story due to poor or inaccurate sources which may be links from the master thread. This can include inaccurate information, combination of conflicting post or postings from users which may not own the device. Reputable press organizations have policies that require discloser and strict rules about what is a reliable source for a story. It is clear that many of the post in the master thread, which are links presented here are questionable.
Sorry to say that postings taken without any analysis of their totality have been propagated via various sites, for example sites such as http://www.2012federalbudget(dot)com. (Do not visit but I suspect that this is not the 2012 federal-budget site you would expect based on analysis of the records. There are plenty of sites like http://www.2012federalbudget(dot)com propagating questionable post in these threads.) One site for example in the discussion thread used a self signed certificate, the site had a log in to allow users to enter their OpenID. Seems many of these sites are pop and drop drupel configurations.
So remember this is how the really bad rumor of iOS 5.0.2 got started, the 5.1 memory leak issue, iCloud Issues, call quality, address book, etc.
Some of the postings have been very comical, I think the latest now is a dropbox issue. Seems that the length of the previous thread has resulted in various app engines of some proxy servers/tools reaching their limits.
So I would make sure to know the source of any information you link to. Make sure you avoid entering any information to outside links such as OpenID or Apple ID, these are big prize items for anyone with malicious intent. If you have issues and are a valid user contact APPLE CARE. (Note link is using McAfee Secure Short URL Service, and is https.)
http://mcaf.ee/ricdt
The original solution still represents a high level of success for users having any battery issues.
Install 5.0.1 on your iPhone 4s. Some users posting they are still using older versions, bad fake serial numbers, etc.
Make sure your device can run iOS 5.0.1 and is not altered.
Make sure you use a new Sim, not some cut down version which many users admit to doing. (Again, worth confirming what people are posting.)
Reset the device doing a hard reset and software reset.
Let battery drain and then charge for the full cycle, which is 24 hours.
I think you will find you will get the battery usage that APPLE has stated for the device.
Best of luck, stay safe and thanks -
I have a i phone 5S model number 1533 its getting little heat and battery life keep not longer is it a battery problem please help me...
What troubleshooting have you done so far?
-
Is my battery life gone? R.I.P
I have used my ibook G4 for 1year and 3 month already, but now the battery suddenly showing some strange loss of its battery life, it takes only around 50 minutes for full charge, and after that only around 45 minute i can use before it drains out,
usually when the battery drains out, my ibook will go to sleep mode and it will maintain the sleep mode as long as i want it to be, but now what suprise me, when the battery drains out, it will suddenly turn off my computer instead going to sleep mode, it have happen twice now, so thats what makes me very worried, im so frustrated because i take care the battery so well but it suddenly become like this, not in a degrading fashion, its all in a sudden...since 2 days ago...
first question of all, is my battery life altered? or my battery already dying? what should i do? change to new battery? the new battery is so expensive...
2nd question, will my computer be damaged if it suddenly turn off like that without shutting it down properly?
hope somebody can help me on thisWelcome to Discussions!
Yes, if your iBook is not going in to "sleep mode", and abruptly turning off, it can cause damage over time. You said that is "fully charged" after 50min. Try leaving it plugged in for a full 24 hours, and see if that extends battery life at all.
Question? Are you running any processer intensive applications when its on the battery? Anything such as an audio/video application, anything with mathmatiacal equations, playing games, using the CD ROM drive, ect... All of those factors can shorten battery life. When the iBook runs out of power, it should automatically go to sleep, and remain in sleep for a day or two before finally shutting off.
Try resetting the PMU (Power Management Unit) ((taken from the Apple Support website))
1. If the computer is on, turn it off.
Reset the power manager by simultaneously pressing and then releasing Shift-Control-Option-Power on the keyboard. Do not press the fn (Function) key while using this combination of keystrokes.
Wait 5 seconds.
Press the Power button to restart the iBook computer.
Reset the PRAM:
1. Shut down the computer.
2. Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
3. Turn on the computer.
4. Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
5. Hold the keys down until the computer restarts and you hear the startup sound for the second time.
6. Release the keys.
Reset the NVRAM:
1. Turn on your iBook
2. Before the grey screen, press command-option-O (letter)-F
((O is for "open", and F is for "firmware"))
3. You will be at a grey screen displaying some information.
4. At the Prompt, type "reset-nvram" press return.
5. Type "reset-all" press return
6. Type "mac-boot" press return
I hope this helps!
Best,
-josh -
Battery life suddenly cut in half
just yesterday, during my first class, i noticed that i only had about 2 hours left on my battery-- this was just about 15 minutes after unplugging my fully charged macbook. the same thing happened today...i don't know what's going on, i used to get around 4 hours with it. i haven't changed any habits-- i dim the screen as much as possible, etc.
i'm calibrating the battery right now...will that work or is something else wrong?Hi,
Macbook battery life arouse lot of feedback. My experience is after re-calibration the total capcity of battery losts at least 100mAh. But if just connect to internet via airport, still I can manage to use it with over 3hrs. But when I run photoshops or bigger size file, the time shown on menu bar dropped tremendously to 1:50hr somethg from 3:03hr. But this battery seems to last quite good at last few %. My experiences on powerbook G4 1G, with 1.25G DDR ram, when battery drops to 10% or 10 minutes, the Powerbook will go to sleep soon. But for Macbook, when the indicator shows 0:09 hr remained, if using for internet it can still last for more than 15minutes. I also asked Apple HK technician about the battery drop problem, they said this is just rough estimation, sometimes not accurate, and it is normal that battery sometimes can't charged back 100% full unless after recalibration. If ur cases after full charge, check if ur battery is 100% or below 90% uisng coconut, Apple said if under warranty the battery drop below 90% for full charge, u can replace the battery in Apple repair center. This is the case in HK , I am not sure the practise in ur country.
Nobu -
Problems with your iphone4 battery life? READ HERE!!!!
I will make this short and simple as I too have been experiencing battery problems with my iphone4 since I upgraded to 4.0.1
Now here is what I THINK is going on, I believe there is a BUG in the wifi software in IOS that tends to drain the battery at a rate of 5% every 10 to 15 minutes or so if you are using the phone for surfing. And if you are not doing any internet surfing at all, it still drops the battery at a similar rate.
Sadly what I have found out is that this doesn't stop even when the phone is on standby. Two hours of my phone just sitting there, I lose about 5% plus. So if I leave wifi on and go to bed, my phone will lose close to 25% of battery over night. However once wifi is OFF, the phone will only lose about 2 to 3% over night. I'll say that's a HUGE difference.
What I also have noticed is that it doesn't matter if I have notifications & push ON or OFF, the battery still gets drained at the same rate as long as wifi is ON.
Once I have realized the culprit, I went from getting a mere 4 to 5 hours of usage to 8 to 9 hours.
So, I suggest that you all only turn wifi on when you NEED it. Once you no longer need it, just shut it off. This is what we have to do until apple fix this problem because it seems like having wifi ON is constantly working the wifi antenna even when the user is not using the wifi connection at all. Apple claims a whopping "up to 10 hours" of internet surfing over wifi. How can that be when my phone will lose over 30% of battery in 10 hours just on standby with wifi ON?
By the way, all my tests were done with my phone on EDGE only.
If you have done this and it worked for you, drop a line hereNote that the battery drain can be of many features you are using in idle or in use. Whether you notice it or not, it'll drain every 10 to 15 minutes on idle based on the several features enabled:
* Push Notifications with 10, 15, 20 apps that run it
* WiFi, cellular, 3G
* Bluetooth active or idle
* Mail set to Push or Fetch by Minutes
* Applications left to run in the background
Nearly every iOS4 app will add the Fast App Switch, File Transfer Services, and Background Location. If you are not using any of these apps, it's recommended to close them down. Whether it's iOS3 or iOS4 apps, they will slowly drain the power through the RAM processor.
If you run a system info application, it'll state how much RAM you are currently occupying with all your multitask apps running. The more RAM used, the more battery power is drained. You can increase battery life by doing the following:
* Settings-Push Notifications-Turn off any application's push that doesn't work anyways or is bothersome to receive. Setting Notifications to OFF in general will repeat a consistent popup to enable it again.
* Settings-Mail-Push-OFF, Fetch-Hourly, Advanced-Schedule to Fetch
* Close all running applications not in use that sends notifications later. They are running in the background draining resources.
* Follow Apple's guidelines on improving battery life such as setting brightness to mid range and automatic or turning off unused features. -
2.1 Update - Worse battery life?
So, I updated to 2.1 Friday, and noticed my iPhone getting warm, and the battery was draining really fast. Over the weekend I tried re-restoring it, and still had it drain really fast. Today, I went in an swapped out the phone, and got back to the office and updated to 2.1 again. Almost the same thing, except within a span of maybe 2 hours, I was down to half battery. I used to go almost 2 days without a charge before, and it was never noticeably warm. What's the deal? Any way to downgrade to 2.0.1 or whatever?
I don't think any of the issues have to do much with build week other than actual defective units. Unlike regular cell phones, iPhones can host so many different applications combinations that it's likely those combinations (and especially how they've been installed can lead to problems). Apple for that reason has tried to keep each application in it's own silo. In the end you can't completey really because the main OS still need to know the software is there.
Anyhow, as for battery issues, software definitely can improve battery life. Not only can you make code more efficient and hence take less clock cycles, on a phone you can tune how the phone communicates with the network. This last part is probably where they potentially squeezed more power for some users by allowing the phone to make a connection with a weaker signal. Depending on where people are and how they use their phone, some of the battery tweaks may do nothing. Personally I think for most users the changes have not done all that much. My battery life seems about the same.
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