Concerning devices that store electrical power which can be used to run various devices in the absence of external power.

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63 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 ...
-3
votes
1answer
422 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.
1
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0answers
20 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 ...
1
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1answer
316 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 ...
2
votes
1answer
68 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
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0answers
24 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 ...
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votes
1answer
44 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. ...
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0answers
61 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: ...
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1answer
53 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 ...
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1answer
90 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?
3
votes
1answer
124 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 ...
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1answer
31 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 ?
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0answers
10 views

Portable phone charger information [duplicate]

How to determine positive from negative power source on phone Charger compatible with iPhone4?
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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 ...
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1answer
65 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 ...
8
votes
2answers
886 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 ...
1
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1answer
41 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 ...
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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
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1answer
264 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 ...
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0answers
16 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 ...
0
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1answer
654 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, ...
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0answers
36 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
45 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 ...
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1answer
236 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
204 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?
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2answers
52 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?
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0answers
78 views

Battery specs for MacBook Pro, MacBook Air, and Retina MacBook Pro

I am trying to figure out if I can ship a MacBook over her to Europe via an APO box. On Apple's website it tells me the watt-hours of each model, but it doesn't say how many cells. Here are the ...
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3answers
1k views

iPhone 4S with latest update now charges very slowly

My iPhone 4S (iOS 6.1.x) dropped it's charge today. It now is charging very slowly. I deleted my iCloud account to see if that would improve battery life. It still is charging slowly, and has taken ...
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2answers
227 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, ...
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1answer
129 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 ...
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0answers
275 views

Disabling Hibernation AND DeepSleep mode on Retina Macbook Pro reduce battery life?

I am currently on 90%, HDMI connected to 2nd monitor, about 5-6 links open in Safari, terminal running (coding on python), Stickies, Messages, and Mail are running. My battery has 2h of remaining ...
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votes
1answer
93 views

Wifi ipad 3 - does anybody know of a long battery life mobile wifi dongle or hotspot? [closed]

I'm facing a time in hospital without the usual internet amenities. At the moment my partner has been lending me her HTC android phone to act as a wifi hotspot. The only thing is they take your ...
2
votes
1answer
63 views

My Mac 'dies' if it has less the battery level is below 3%

My Mac 'dies' if it has less the battery level is below 3%. Is it possible to force it to hibernate when the charge is at 5%? I have a Mid-2009 MacBook Pro with 683 load cycles and the latest SMC ...
2
votes
2answers
762 views

iPhone claiming low battery in cold weather

With the cold weather, a rather odd problem appeared on my iPhone 4S – whenever I use the phone in weather below ~12 °C, it turns itself off and claims to be out of battery. This most often occurs ...
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0answers
30 views

How do you know when the battery has absolutely no charge?

I'm trying to reset the battery indicator on my iPod touch. To do this I need the battery to be completely empty first. How do I know when this happens? Right now I can turn it on and it will have ...
2
votes
4answers
730 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 ...
1
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0answers
319 views

Fusion Drive Setup: Possible to force the HDD to spin down as long as your reading from/writing to the SSD?

I'm considering to replace my optical drive in my MacBook Pro with an SSD. When using it as separate Volume, the advantage is that you can spin down the HDD, thus reduce noise and first and foremost, ...
0
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1answer
234 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 ...
-3
votes
1answer
117 views

Bad Battery Life and No Pre-installed Nike+iPod App [closed]

I have an iPhone 5 (White, 64 GB) GSM version running iOS 6.0.2. It is factory unlocked and I bought it from India 1) The battery life is bad 2) I don't see Nike+iPod App pre-installed on it What ...
1
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1answer
640 views

What prevents an iPad or iPod charger from overcharging?

my iPad mini came with this charger and cable. If i leave it charging overnight, what prevents it from overcharging my iPad(is it the charger or the iPad itself)? I ask because I also own a Dynex ...
0
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2answers
82 views

Are old unused macbook batteries ok?

I'm considering buying a Geniuine Apple Macbook Pro (2007) battery on ebay. This is NOT an OEM knockoff, and the battery is still sealed in original plastic, but I have no idea when the battery was ...
0
votes
1answer
44 views

Which Macbooks charge the fastest?

Is there any difference in the number of hours different generations and models of MacBooks take to "fast-charge" to 80%, or to fully charge?
0
votes
2answers
199 views

“Service Battery” warning briefly appeared on brand new rMBP. Should I take it back?

I bought a retina macbook pro yesterday and noticed a "Service battery" warning. It was there for a few hours and now has gone. Should I take it back to the store or do you think it's safe to ignore? ...
0
votes
1answer
80 views

iPod Model #1238 will not charge

I have an iPod Model #A1238 in which the battery is low. I tried to connect the power adapter cable which was provided to try to charge it but no luck. I thought it was the power cable so I bought a ...
1
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2answers
330 views

Swollen/pregnant battery on a MacBook (13" aluminium late-2008)

The battery in my late-2008 model aluminium 13" MacBook became extremely swollen in early to mid-2012 after only 283 cycles (as per Cycle count under Hardware → Power), and the button on the ...
1
vote
1answer
132 views

Does anybody use an external battery for iPhone?

Do external batteries for iPhones work well? I have an iPhone 4S For example, is it true that I can charge up to 6 times my iphone with this product?
2
votes
4answers
459 views

If I replace an iPod Classic battery myself, will the music be preserved?

I have an iPod Classic that needs a new battery; the old battery will no longer hold a charge. I've been told that if I send it to Apple to be fixed they will restore the device and the music will be ...
2
votes
1answer
785 views

Old iPad not charging after no use for a year

I have an old iPad and want to give it to a friend. I plugged it in with a new lead that charges another 1st gen iPad I have, but it's not coming on. It's not been used for about a year. It's been ...
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0answers
181 views

poor battery life when MacBook Pro is 'sleeping'

I have a early 2011 MBP, Mountain Lion (OS 10.8.2), a Crucial M4 SSD and I have noticed that the battery performance when the computer is 'sleeping' with the lid closed is crap. If I got to bed at ...
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0answers
117 views

What's the easiest/cheapest way to replace my battery? 2009 MBP

I have a 2009 MacBook Pro (5,5). I can spend about $150 either taking it to the apple store and having them replace it or buying all the stuff from iFixit and doing it myself. Is there any ...

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