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

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7
votes
1answer
218 views

Will my Battery get harmed if not used for long time?

Will my MacBook's battery be damaged if I do not use for next couple of months? I bought a new Macbook Pro (March 2015) a month back. So far I have not started using it yet. It's charged and box ...
-2
votes
1answer
24 views

iPad displays as charging but is not plugged in

My iPad was charging and I wanted to go and check my Instagram. So I unplugged my charger and went into Instagram, but it would not load so I closed it and then I looked at my battery bar and it said ...
0
votes
2answers
38 views

iPhone 4s not charging 9/10 times

iPhone 4s, my iPhone 99% of the time won't charge arms the battery is power-draining. Started happening at random, going from good - absolute hell while i was at work. One time out of the many times ...
0
votes
0answers
23 views

plug in charger when using OR charge it when low battery

I am working in an office for 8 hours a day. And I am using a macbook pro retina 2015 during that 8 hours for work. What habit should I be use to treat the battery better. There are two choices for ...
8
votes
1answer
526 views

Is there a way to force “low power” graphics?

Is there a plist or hidden config to set my graphics/energy preference to "Always use low power/ integrated graphics"? Seems like energy saver preferences only allow choosing between: Smart auto ...
0
votes
0answers
29 views

Apple 5W adapters, US-to-UK adapters, and blown fuses

Disclaimer: this problem involves apple products, but they might only play an auxiliary role. I recently moved to the UK from the US, and I bought a portable Innogie batter charger for when I was ...
3
votes
0answers
214 views

Check the battery level of connected bluetooth headphones from the command line

I am trying to check the battery level of my wireless headphones from the command line. I came across a few discussions, and it seems all I need to do is enter the following: ioreg -c 'deviceName' ...
4
votes
1answer
220 views

How to check the battery level of devices connected via Bluetooth in OS X

I have a set of Bluetooth headphones that I use with my iPhone and Macbook (OS X Yosemite). On my iPhone, a little battery meter pops up next to the Bluetooth logo each time I'm connect the ...
0
votes
0answers
33 views

Macbook 13" mid 2009 not charging nor starting

I disconnected the battery (A1331) on my Macbook 13" white polycarbonate unibody to install a second SSD in place of the unused DVD. I was also upgrading the RAM, that's why I decided to ignore the ...
0
votes
0answers
20 views

Phone won't boot after disconnecting battery when removing the back of the device

I wasn't paying to close of attention when removing the back of my iPhone 4 and the battery ended up getting disconnected from the little tab in the corner connecting it to the chip with 2 rows of 4 ...
1
vote
0answers
42 views

New Battery: Runs out at “10% left”

I installed a new Apple battery in my MacBook Pro (13-inch, Late 2011) myself (bought the battery new from iFixIt). Installation worked great, extra 4 hours of battery life - fantastic. Then I ...
0
votes
1answer
45 views

Can an iPhone 6s Plus battery be recharged after going real dead

I just bought a new iPhone 6 four days ago and hardly used except to browse first page, never paid attention to the battery until really dead. Can an iPhone 6s Plus battery be recharged? Ive been ...
0
votes
0answers
21 views

Disable sync services on battery

How to automatically disable sync services like Dropbox, Box, Eye-fi Helper, and Crashplan when I'm on battery power and re-enable it when I'm plugged back in? I've noticed my battery drains a lot ...
1
vote
1answer
55 views

iPhone 5S overheating with very short battery life

I have done my research, and have found no solutions to my phone overheating. I've had the phone since July 2014, and I really started to notice that the phone over heated a lot in January 2015, and ...
0
votes
1answer
15 views

no battery present

I'm using a MacBook 13" (early 2007) running 10.4.11 and it was recently given to me so I have no idea what it's been thru. The battery indicater is showing the X & the system profiler is stating ...
1
vote
0answers
358 views

App Store on iOS 9.1 using large amounts of battery

Under Settings iTunes & App Stores I have all of the Automatic Downloads flags switched to off, however when I look under the Battery section in Settings, App Store (background activity) is #1 on ...
0
votes
1answer
135 views

Recommended power bank capacity for iPhone 4S

I would like to know the recommended capacity in a power bank to charge my iPhone 4S on the go. I've seen power banks with over 4000 mAh of capacity. Wouldn't that damage my iPhone, since I read ...
1
vote
1answer
207 views

My battery died while El Capitan was installing

Like it says above, my battery died. And when I charged it again it din't work. I logged in, and while it's charging it just restarts again, and again, and again. I tried reinstalling the OS, but my ...
0
votes
2answers
72 views

Fluctuating maximum battery capacity

I've noticed today that my MBP 15" late 2014 maximum battery capacity is fluctuating somewhat. These two screenshots were taken just seconds apart http://imgur.com/a/jqyZs Should I be worried? ...
3
votes
0answers
63 views

What's the best way to prolong the lifespan of a Macbook Pro battery?

I have two Mac book Pros: A 2013 Unibody retina that I use every day An older 2006 model with removable battery that I use a couple of times a month (when not in use, it's not connected to the AC. ...
0
votes
1answer
30 views

Battery cannot charge fully

I replaced battery on my MBA mid 2011 (A1369). Here is the report by coconut(the same appears in system report): I bought no name battery from china and changed it personally (here they ask about ...
0
votes
2answers
58 views

New top-of-the-line MacBook Pro suddenly starts acting old

About a week ago, I got a new MacBook Pro. I work a decent bit in video editing, among other things, so I had the processor upgraded to the highest available model. The box arrives, I open it, and my ...
2
votes
1answer
52 views

MagSafe2 (fake) replaced power cord

My cat obliterated my power cord yesterday. Being a student, spending around 100 euros on a new charger was not an option. So I found a 10-years-experience-in repairing-electronics-company and they ...
0
votes
0answers
34 views

MacBook Pro 15" 2013 Retina heating up

I recently updated to El Capatin. After this, I have realized that my Mac is heating up and the fans are blowing. Recently I move my MacBook around and watch a lot of movies. Also the battery is ...
0
votes
0answers
89 views

iPod Shuffle won't charge or show up, no charging light

I've got one of the older iPod shuffles (the kind that's about the size of two quarters side by side) and for a good while it charged and read perfectly fine on my MacBook, but then it started to get ...
0
votes
0answers
106 views

My Macbook Pro dies randomly, doesn't start, and Apple couldn't solve it

let me start by saying this: I brought my Mac to the apple store for them to open up and find out what's wrong with my macbook pro (2013). They couldn't replicate the problem, therefore they couldn't ...
6
votes
2answers
2k views

Mac wakes up for no reason during night (El Capitan)

Since El Capitan (10.11) I have problems with draining battery. So I searched through forums and didn't find right answer, but they gave command which show logs. So this is the log. <Notice>: ...
0
votes
0answers
17 views

Macbook pro is not booting if battery is connected

I am having a little bit of troubles with my Macbook Pro (mid 2012). First the macbook was unable to find the Hard Drive, the issue was the flex cable. After changing the cable the laptop was ...
0
votes
0answers
123 views

iPad won't charge…at all

My iPad is updated to the latest OS - but it suddenly died. It had been charging overnight, but it shows only the white apple logo on a black background. I have re-booted countless times. I have ...
0
votes
1answer
482 views

Receive notification when battery 100% charged

Is there any way to receive a iOS notification when you are charging your iPhone and the battery charge level gets to 100%? Or any third party app? Thanks.
0
votes
1answer
140 views

My iPad isn't charging

My Apple iPad went dead over night and in the morning I plugged it in. It shows a little battery icon with three red bars so I plugged it in and I thought it would charge for about 4 hours I came back ...
0
votes
1answer
26 views

How can I find a sweet spot for an iPhone 6 Plus in Otterbox [closed]

The naked iPhone 6 Plus easily slides into my pants pocket, and just as easily slides out, with or without my even noticing. I was given an Otterbox belt clip; today, after a week or two of use, the ...
1
vote
1answer
174 views

How to tell total MacBook screen on time on battery?

I'd like to know the total screen-on time since I plugged off my MacBook from the charger, but apparently there are no easily found stats for it. Do I need an external app? I'm using MacBook Air 2015 ...
2
votes
0answers
16 views

Apple Remote Desktop - Reports Battery Percentage or Battery Hrs Left

With Apple Remote Desktop, how can I generate a Battery Status Hrs Left or Battery Percentage Left on my Mac Laptop(s)? I did find something that tells me the "Battery Charge Remaining (mAh)", but it ...
1
vote
1answer
93 views

Are there any deep details on the specifics of what the “Low Power Mode” in iOS 9 actually affects?

So as mentioned in this canonical question and answer thread on iOS 9 features, “Low Power Mode” is a good thing. This is what iOS 9’s blurb on “Low Power Mode” explains it does when activated: ...
1
vote
1answer
56 views

Magsafe charger behaving strange

I have a Macbook Pro 15 late 2011. The charger has started to act funky the last few days. What happens is that I connect it. Light shows as green on the connector and then switches to orange if it ...
1
vote
1answer
18 views

mac Book air shows abttery loaded 99 % but still needs to plug the chager

hello Iread so many things. it seems no one faced my situation. my mac book air battery is loaded at 99 % but if I disconnect the charger mac book closes before that, it often happened that ...
1
vote
0answers
82 views

Phone gets really hot in certain spot when charging?

My iPhone 4s keeps getting really really hot in the top right corner when i start charging it. Its mainly along the top, near the turn off button, all down the right side, and near the camera on the ...
0
votes
0answers
356 views

My iPhone won't charge and keeps getting really hot?

I have an IPhone 4S and today i dropped it by accident. It didn't fall from a very big hight, about 20cm off the ground. There was no visible damage, except for the fact that it had run out of battery ...
0
votes
0answers
90 views

No battery symbol appearing when charging iPhone 4S

While my iPhone 4S is charging in switch off condition, only a buffer symbol appears for a second but the battery symbol doesn't appear on screen. The phone does not automatically switch on after ...
0
votes
4answers
684 views

battery capacity indicator button not working

i have this button (battery capacity indicator) in my macbook pro 2011 series that shows battery capacity, but when i press it nothing happens. can i know if it is plugged in or not via a terminal ...
0
votes
0answers
131 views

Iphone 5 Constant Battery Problem (After replacing it 4 times)

I bought an iphone 5 when it first came out. It worked perfectly fine for about a year, then the battery started to really lose its capacity, it would last only a couple hours, as time passed it ...
4
votes
4answers
6k views

Is there a shortcut for activating Low Power Mode in iOS 9?

I don't use my iPhone with a mobile data plan and I don't care if the polling frequency for background apps gets lowered a bit. Is there an easier/faster way to activate the Low Power Mode than using ...
1
vote
1answer
114 views

Taking care of your Mac (put into a sleep or shutting down)

I have read this article but I would also like to know what are your thoughts and opinions on that point. I have my MPB with 16GB RAM and SSD drive. I would like to put my Mac into sleep rather than ...
2
votes
2answers
606 views

Macbook Pro Fan fullspeed, no temperature and keyboard backlight

Ive got a Macbook Pro 2008 15" 4,1 with OS X Yosemite 10.10.5 and latest Firmware and both fans run the whole time at fullspeed. My research brings up, that its probably the temperature Sensor, ...
-1
votes
1answer
49 views

Iphone Dropped and will not turn on

Recently i dropped my phone, with no visibal damage i carried on using it. After a while the phone began 'searching' for a network, i turned the phone off and on again in hope that this would work but ...
0
votes
1answer
99 views

Macbook Pro with abnormal CPU usage and unrecognised battery. How to alternative SMC reset

This Macbook Pro (15" circa 2012) is giving me trouble. After a slight water spill incident, I removed and replaced the hard drive, optical drive and battery (warning sticker ignored). After another ...
0
votes
2answers
44 views

What is the best way to save iPhone battery?

Since I've moved to iPhone 4 from a 3Gs, my battery drops down extremely fast. If i use it for 20 minutes at the beginning of the day it goes from 100% to 60% and by 3PM with normal use it's at 20%. ...
2
votes
2answers
4k views

Does the grayscale feature of iOS 8 extend the battery life?

In the way to reduce the power usage of my iPhone 5 (iOS 8), I'm simulating the power saving mode of Samsung Galaxy Note 4 by turning on the "Greyscale mode" but does it really reduce the power usage ...
0
votes
1answer
344 views

iPad won't turn on after being drained [duplicate]

What if my iPad didn't turn on after battery drain? I did all the steps but it still didn't work. Is it already damaged or can I recover it on an Apple Store?