Concerning devices that store electrical power which can be used to run various devices in the absence of external power.
0
votes
2answers
18 views
iPhone 3GS turning off randomly while being used
While using the phone it randomly shuts down. And when I turn it back on battery drains by about 3 or 4 percent. Could this be a battery problem or a sign to another major problem? So the only way I ...
2
votes
4answers
915 views
Retina Macbook Pro now has faster battery drain
I have disabled Hibernation mode and Deep Sleep mode, I also keep the charger plugged in about a week before removing it if I want to go somewhere with the laptop.
I don't know if this is normal, but ...
0
votes
1answer
16 views
Iphone 4s turns it self off
it started today and happened twice, my iPhone turns it self off even battery has %15-17 charge, i cant open it, empty battery sign appears when i plug it to charge, it begins to charge from %15-17, i ...
0
votes
1answer
21 views
Very high MacBook Battery consumption on Sleep
I got an alleged trouble on my late 2008 Unibody MacBook.
I've never worried about this trouble because I thought that was a normal thing but I'm start thinking that it could be a trouble trouble.
My ...
1
vote
1answer
73 views
Dilemma about replacing the battery in my 17" MacBook Pro mid-2010
After 3 years my mid-2010 17" MBP model is telling me it's time to replace the battery. The current one (model A1309, FWIW) has had ~1000 cycles now and can't hold the charge reliably anymore.
Being ...
1
vote
1answer
263 views
Seems like my trackpad is never sleeping/shutting off
I'm experiencing some funny behavior with my Retina MacBook Pro and my Magic Trackpad. There are two symptoms that I believe could be related:
The batteries on my trackpad drain far more quickly ...
2
votes
1answer
407 views
MacBook Retina strange system/battery behaviour
I am quite used to the fact, that MacOS X does a lot abracadabra internally to provide the best user experience ever, but I also used to understand all that happens. With my pristine MBPr (3 battery ...
0
votes
4answers
244 views
My iPod Touch 2nd generation is dead
My iPod touch does not respond since yesterday. I cannot see anything on the screen and the buttons don't do anything, no backlighting either. The problem started when I wanted to plug my iPod into ...
0
votes
1answer
485 views
iPhone 4S/IOS6 - battery drain after the camera usage
Just discovered than my iPhone4S/IOS6 draining battery too fast after I using the camera. So:
after the fresh restart the phone lasts 3 days - when not taking photos or videos, but
enough take one ...
-3
votes
1answer
845 views
Does iOS 6.1.4. drain battery a lot faster? [closed]
Is iOS 6.1.4 draining battery faster? Several friends of mine have similar findings.
0
votes
0answers
824 views
iPhone won't charge anymore in infinite boot-loop
NOTE: I know this is a lot of text to handle, but I'll add a bounty whenever I can to the person who can bring me the solution. So see is as a motivation to read the whole text :)
My friend has the ...
1
vote
2answers
274 views
iPad boot loop only when powered - brief flash loop when connected to USB - jailbreak gone awry?
Received an iPad from a customer in an unknown state. Report was "does not power on". Device is out of warranty. It's the 1st generation iPad with a 3G chip.
Symptoms:
when connected to power only, ...
3
votes
1answer
163 views
How to disable battery charging?
From the pmset man page:
POWER SOURCE ARGUMENTS
-g with a 'batt' or 'ps' argument will show the state of all attached power sources.
[…] Certain Apple battery calibration tools may ...
6
votes
1answer
3k views
How can I preserve the battery cycles on my MacBook Air?
I recently got my MacBook Air, and the battery cycles is already at 12. Is this good/average? I don't know if I am not charging it properly or something, because I don't want to ruin my battery in the ...
6
votes
5answers
13k views
Why do iOS devices take such a long time to turn back on?
Often I will realise my iPhone or iPad is about to run out of battery, run around the house looking for a charging cable and plug, and get back just in time to see the screen go black and the little ...
0
votes
0answers
194 views
iOS & iCloud: Broken iCloud data causes kbd process to crash constantly and drains battery
On Stackoverflow I was told to come here.
Since a few days ago my iPhone 5 is getting unusually warm and the battery drains REALLY quick, like in 4-5 hours. I tried turning all the usual suspecty off ...
2
votes
2answers
3k views
How do i get the low battery warning back on my MacBook?
I have a MacBook and I did not take care of the battery properly. It started to shut down unexpectedly at around 20% and then even at 30%. I got a new battery and it seems to work fine; it lets me get ...
1
vote
1answer
661 views
iPhone 4s overheating and suffering from drained battery
So I have this iPhone 4s, which has a serious problem: when doing absolutely nothing with it (it just sits in standby mode) the battery drains from 100% to 0% in about 12 hours or less. Also, it ...
1
vote
0answers
27 views
i have changed my Iphone 3g battery but it stucks on 61%
Hey guys did a search and couldnt find anything that really suited my situation. I recently changed my iphone battery, The Phone turns on and the battery decrease imediately its decrease 1% with in 10 ...
0
votes
1answer
337 views
Is it possible to improve the condition of MacBook battery showing “Condition: Replace Soon”?
I have a 2008 MacBook aluminium 13" (Model Identifier: MacBook5,1) which has started showing "Condition: Replace Soon" to describe the battery, so a couple of questions:
what is used to determine ...
2
votes
1answer
81 views
Any danger to letting a MacBook stay on the charger long-term? [duplicate]
I came into possession of a 2009 13" MacBook Pro. Most of the time, it will be used as a desktop computer - but there will be instances when I will need the 5 hour battery.
Is there any danger to ...
1
vote
0answers
28 views
iPhone 5 battery unused for 2 month
I would like to know if there is a risk for my iPhone 5 battery after remaining 2 months unused and uncharged. I'm going to re-use my iPhone, and I wonder if it stills usable for daily uses.
Any ...
-1
votes
1answer
48 views
different MacBook battery models since 2008?
I am wondering if Apple changed the form factor of their MacBook (Pro) batteries since Early 2008?
I was planning to replace my broken MacBook Mid 2010 Unibody with a used MacBook Pro from early 2008. ...
0
votes
1answer
1k views
iPhone 4S - sudden drop in battery percentage
I've bought a half-year-old iPhone 4S a couple of weeks ago and I just ran into a really weird issue the third time now: the battery percentage would suddenly drop 30-40-50%. One minute, it's, say, ...
0
votes
0answers
79 views
Automator crashes on Lion, error: Exited abnormally: Broken pipe: 13
I wrote a workflow to check battery duration, on osx 10.8.3 works perfectly and on 10.7.5 crash after a random time.
In console I get this error:
com.apple.launchd.peruser.501: ...
8
votes
2answers
2k views
Does the Apple Genius Bar replace Macbook Air battery on site?
I called Apple's toll free number but wasn't able to get a clear answer from them.
My 2011 MacBook Air's battery is dying and I would like to have it replaced. The only problem is that I am ...
3
votes
3answers
2k views
Is it wise to turn off the iPad completely if I don't use it during the day?
A friend of mine has an iPad that she uses only once a day for about a half hour.
I told her to turn it off completely in between uses to conserve energy - no point having the device run in standby ...
0
votes
1answer
109 views
Macbook Air 1,1 power consumption
I have the original MBA, and I have extremely high power consumption - see the screenshot (screenshot got while TextEdit only was running)
Is is normal for original MBA?
0
votes
1answer
36 views
Portable phone charger information for iPhone4
How to determine negative and positive power source on phone charger by color code between red or white ?
0
votes
0answers
10 views
Portable phone charger information [duplicate]
How to determine positive from negative power source on phone Charger compatible with iPhone4?
4
votes
3answers
2k views
Can using a non Apple USB cable damage an iPhone?
If I use a generic/aftermarket iPhone USB cable instead of the official Apple product, can it damage the iPhone? A vendor at the mall said that high quality iPhone USB cables have a chip that ...
0
votes
0answers
23 views
Can a generic charging cable harm my iPhone? [duplicate]
If I use a generic (unoriginal/no name) iPhone charging cable to charge my iPhone 4S, does it do any harm to the phone? Some people say if you use a generic cable instead of the original cable, it ...
1
vote
1answer
74 views
iPad adjusts brightness when it reaches full charge
I recently put some iPads up around my office building as conferance room markers. They're plugged in to USB outlets, and seem to be charging fine. The screen stays on all the time, running ...
2
votes
2answers
182 views
Is there a way to only enable automatic graphics switching when on battery power?
It is rare when I use my MBP on battery power. But is there a way to only enable automatic graphics switching when on battery power?
1
vote
1answer
47 views
Charge cycles increase?
This is a bit weird, I've been doing everything to keep the battery health great and that's what i achieved so far. it's going through 99-100%, but the thing is.. those charging cycles thing are ...
0
votes
0answers
19 views
Powerbank suggestions for an iPhone
I'm new to the powerbank discussion and would like to know what people are using/recommending in terms of a backup battery supply for their iPhone?
Thanks again for the input
4
votes
3answers
1k views
When plugged in, does the iPhone use the battery or the external source during heavy use?
I love to play games and do other tasks that quickly drain the iPhone's battery. Sometimes I'll use the phone while plugged into a power supply. Does the iPhone still use the battery when performing ...
1
vote
2answers
931 views
How often should I remove the charger from my rMBP?
I want my battery to remain healthy. I used to charge it full then remove the charger after it's done, then put it back on when it goes down to 10% .. However this is becoming hectic and I was ...
1
vote
1answer
345 views
How to check if MacBook battery is genuine?
My white MacBook's battery has completely died, so I'm looking for a replacement.
It costs $150 from Apple, or about $70 for allegedly genuine Apple batteries on eBay:
I'm leaning toward this ...
0
votes
0answers
18 views
iPod touch: Songs will not start
My iPod's touch screen is as responsive as new, but upon selecting a song to play from an album, the screen returns from the song selected to the song list in about 1 second. The battery life is ...
1
vote
1answer
141 views
My new MBP Retina needs to be recharged after 2 1/2 hours
I got my 13" retina MBP a few weeks ago, and used it quite a lot since then. However I noticed that battery drains incredibly quickly, I'm asked to recharge it after 2 1/2 hours of usage.
I'm using ...
0
votes
0answers
37 views
Utility to warn when process takes 100% CPU for x minutes?
I run on battery a lot and occasionally a process/app will crash in the background and start sucking up 100% of one or more cores. That in turn burns my battery down way faster than normal. I used ...
0
votes
1answer
48 views
MBP first generation Service Battery
My MacBook Pro is throwing me a message "Service Battery" and coconutBattery tells me I have 4007 mAh instead of 5450 mAh.
Is there a way to pump it back up or is that impossible?
I was looking ...
6
votes
4answers
4k views
Does an iPad consume more battery power when there are multiple applications open?
Does an iPad consume more battery power when there are multiple applications open compared to let's say, having only one application resident in memory?
If there are differences between the ...
1
vote
1answer
297 views
An ipad app or setting that helps turn off wifi or turn on airplane mode on schedule?
i hope to conserve battery at night. is there an ipad app or setting that helps turn off wifi or turn on airplane mode at certain time? or would it even be better to have an app that turns off the ...
3
votes
1answer
248 views
Does iPad battery charging utility like Battery Boost Magic pro really make a difference in prolonging iPad's battery life?
Do battery charging utilities such as Battery Boost Magic pro or Kingsoft battery doctor really make a difference in prolonging the life of an iPad battery?
3
votes
2answers
2k views
Any Problem in Letting iPhone 4 Battery Drop to 0?
Is there any problem if I let my iphone 4 battery drops to 0%? I remember for older smartphones, once your battery flattens out all your data is lost, because they are stored in memory.
While I ...
1
vote
3answers
1k views
MacBook battery/replacement battery does not work
My MacBook battery failed a few months back. For a few weeks, my computer would go to sleep a few seconds after removing the power cord. (It could be awoken by re-attaching the power cord, and it ...
-2
votes
2answers
56 views
Can i remove MacBook battery when Mac is still running? [closed]
If my MacBook is running, can i remove battery and later put it back?
9
votes
3answers
4k views
Charging an iPhone, difference between USB port and power outlet
The power outlet has more power obviously, but maybe the computer USB is suffice to charge it at maximum speed.
Is there a difference between charging an iPhone using the computer USB port and using ...
