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

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1answer
22 views

iPod - How to display the battery remaining as a percentage? [duplicate]

How can I display the remaining battery power as a percentage on an iPod Touch 5.
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1answer
1k views

Why is my iPhone 5S battery draining overnight and very quickly?

A few days ago I was charging my phone in my car and it stopped charging, and I noticed that the cord had a little hole and smoke was coming out of there. I was buying some food from a local shop, and ...
1
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6answers
2k views

Iphone 4S 8.1.1 Battery Problem

What else can I do to make my iPhone 4S work for as long as possible? I have done all the "standard" battery saving techniques recommended on most sites, like: turn off background app refresh, ...
3
votes
2answers
8k 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 ...
3
votes
4answers
12k views

Why is my iPhone 5S overheating so much?

Activities such as: Phone Calls that last around 10 minutes 3G Browsing for 5 - 7 minutes Watching videos for 5 minutes Using apps such as facebook / instagram etc for 5 - 7 minutes, lead to my ...
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0answers
19 views

MagSafe light turns out orange after few seconds

Is it normal for MagSafe to have orange light (not directly to be green light) 3-4 seconds after plugged to outlet ? I'm a bit nervous with this matter as I've just bought a new mbp after my ...
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0answers
8 views

My Ipod 5th Gen won't turn on

I have an Ipod touch 5th gen and i use a cheap £1 charger to charge it up, but recently my Ipod ran out of battery so i plugged it in using the charger and my Ipod was completely unresponsive, i tried ...
0
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0answers
6 views

Low battery notification only at < 5%

I have the latest MBP retina 15", it is normal that it informs me of the low battery level at such low percentage? Since this percentage changes every time I think is more something related to the ...
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0answers
8 views

How to read iOS system state when running an app on background? [on hold]

I searched informations about possibilities when running an iOS app on background, but I didn't found same on different sites. My application has to read the battery level (with steps of 1%) and the ...
0
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1answer
20 views

Change battery from MacBook Pro to white MacBook

Is it possible put the battery from the MacBook Pro 13″ (2009-2012) to the white MacBook (2009)? Are they same or not and which gives me more battery life?
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3answers
4k views

Is there an iOS app that measures/reports the battery charging current?

I suspect my fake lightening cable charge my iPhone 5 much slower than my original lightening cable on the same charger. Is there an app that will display the current battery draw/charging current and ...
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0answers
20 views

Mac Air battery replaced, recognized, but not charging

So I attempted to replace my Mac Air battery myself. Swapped it out just fine, screwed things all back in place. Problems: It's recognizing the battery in the System Preferences>Power display, but ...
0
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1answer
126 views

MacBook shut down at 20% battery with no warning?

My 2013 13" MacBook Retina (OS X 10.10.3, Yosemite) shuts down when I have about 20 minutes of battery left. Not sleep, full shut down. It does this with no warning at all. I seem to remember ...
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1answer
29 views

iPad Discharged and not charging

My iPad was in good health when it was used last. That was about 8 month ago. Now it wont come on and on connecting it to the charger, the low battery sign comes on with the 3 red stripes. That's all ...
0
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0answers
6 views

change backgrounds on charge, pause on battery

Is there any way I could change my background when it is on charge, and pause when it is on battery? (using the preset 5,10,15, etc interval per background when on charge) I have tons of ...
11
votes
3answers
35k views

How can I assess the health of my iPhone 5 battery?

I suspect my iPhone's battery is now much worse than it used to be. How can I assess this? Is there some kind of test I can make, to compare it with Industry average? How long can I reproduce a ...
2
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1answer
12k views

iPad won't turn on after a complete battery drain

I forgot to plug in my iPad after the critical battery warning and it went some minutes following the warning. I was not worried because same thing had happened a few times before and iPad was ...
6
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9answers
23k 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 ...
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0answers
29 views

iDevices and batteries

As you may know, best practices to prolong batteries lifespan include charging battery no more than 80-90%, with a complete full range charge-discharge cycle (5%-100%) once a month. So I'd like to ...
0
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0answers
28 views

Only sleep MacBook Air when lid is closed

I have the following power management settings defined for my MacBook Air. Shantanus-MacBook-Air:~ shantanutomar$ pmset -g Active Profiles: Battery Power -1* AC Power -1 Currently in ...
0
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1answer
29 views

iPad mini must be plugged in to turn on even if battery is fully charged

When I press the button to turn on the iPad mini it is asking to be plugged in despite the fact the battery is fully charged. Once plugged in for a few seconds I can remove the plug and the iPad mini ...
0
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1answer
29 views

Battery problems on MacBook Air

I have a 13" mid-2012 MBA, which runs fine except one thing: in the past year the original battery started to deplete its charge quickly and now only holds about 50% of the original capacity. So I ...
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0answers
12 views

Device to measure power available from charging point [closed]

I know that anything that you plug a lightning cable into will charge an i-device at SOME rate. But that rate varies wildly, depending on the original source of the power (real apple mains converter, ...
5
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2answers
1k views

iPhone 5 Battery - Help me diagnose issue

I'm having a weird issue with my iPhone 5, that I think is related to the battery, but might be something else. Symptoms The battery indicator is wrong. It sticks to the value it fetches when ...
2
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3answers
9k views

My MacBook Pro is not sleeping when I close the lid on battery

I purchased my macbook back in 2011, and this problem just started. When I unplug and close my computer to put it in my backpack for school, it does not sleep. I take it out and its very hot and has ...
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0answers
8 views

iPad shows Not Charging but does charge

My iPad 2 says "Not Charging", but it is charging. It's been acting odd for about 5 months. Operating system problems. Screen goes blank, apple icon flashes. I've done 10+ restarts, restore, and ...
4
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3answers
10k views

My MacBook Air won't charge

My MacBook Air won't charge, the MagSafe doesn't even have that green or red orange light and when it does it isn't very bright. The Battery Icon on the upper right corner indicates not charging. ...
0
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2answers
1k views

Can I remove battery while my iPhone 4s is still on?

I've had this annoying problem with my phone that has happened a few times now. Basically it just totally freezes. My top button is broken, so I can't turn the phone off using that. My assisted touch ...
3
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1answer
1k views

iPhone: What is `accountsd` and why is it using 80% CPU?

I just got a new iPhone 6 for my SO and noticed that it is quite toasty to handle with the battery draining quite fast. It has been 24 hours since I first set it up. I plugged it into Instruments ...
1
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1answer
54 views

Is there an easy fix for an old iPhone 5s battery?

I have had my iPhone 5s for almost two years now, and the battery has been dying quickly. For example, even when my phone is on airplane mode, it will drop from 90% charged to 85% charged within two ...
3
votes
2answers
12k 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
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1answer
32 views

Macbook pro Battery Question

Is it normal for the maximum mAH to fluctuate by 100's from time to time for a 2012 macbook pro?
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1answer
27 views

New Battery for my Vintage MacBook

I need a new Battery for my late 2008 MacBook but Apple consider it as Vintage so stopped producing it. I searched my new battery on eBay and I've found two alternatives at, more or less, the same ...
2
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3answers
36 views

Looking for a way to mimic the battery-saving behavior of closing the lid without actually doing so

I'm looking for a way to keep the lid up, yet tell my Macbook Pro Late 2013 to do what it would do if the lid was actually closed. When I close the lid, the battery lasts for a long time, not so when ...
2
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2answers
2k views

Macbook power adapter issue: PPP003

I'm using Macbook Pro 15" Retina Late 2013. OS is Yosemite Public beta. Once in month I usually do diagnostics (Apple's boot time diagnostics, the when you press "D" ). The last the when I did it, I ...
2
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5answers
4k views

Macbook Air - battery drains while sleeping (but not when shut down)

My macbook air (13-inch, mid 2011) battery drains from ~100% to ~85% over night. The problem only started a few months ago. I'm currently running yosemite, but the problem started while on ...
2
votes
4answers
2k views

Can someone read messages on my locked iPhone?

I left my iPhone in a taxi cab. I locked the phone to make sure nobody finds it and makes expensive calls. But does locking the phone prevent someone from seeing the texts I am sending? What if the ...
3
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3answers
863 views

Does Avast noticeably affect battery life?

I am thinking about installing the free Avast anti-virus software on my MacBook Air (2012). Once Avast has completed its first scan of all of the files, does its continued operation noticeably affect ...
0
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1answer
31 views

Best practice to maintain high charge count [duplicate]

I have a MacBook Pro, always plugged, I put it to sleep during the night. Is that the best thing to do if I want to maintain a high number of remaining charges, while also keeping a healthy battery? ...
7
votes
2answers
1k views

What is this brown sticky residue in my MacBook Pro charge port?

I have just noticed a brown type of sticky residue in my charge port on my MacBook Pro, it wipes off but not completely and to me it smells like battery. Can anybody tell me if I have a problem ...
0
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1answer
734 views

MacBook not charging

I have a 2008 Black MacBook. The battery indicator says 'Not Charging' and if I remove the power adapter it powers off instantly. I had OS X installed, installed Windows (Not bootcamp, Windows only) ...
2
votes
1answer
237 views

How can I keep my Apple Watch from draining my iPhone's battery?

I used to have to charge my iPhone 5s just once a day, over night. Now that I'm using an Apple Watch, I find that I have to charge my phone 3 or 4 times because my battery is draining. I'm not using ...
11
votes
5answers
16k views

How to disable the SpeedStep when using MacBook Pro without a battery?

First of all, the specs: MacBook Pro (15-inch, Early 2011) OS X 10.9.1 (Mavericks) 2.3 GHz Intel Core i7 8 GB RAM The Problem Recently, my battery randomly died and I had to disconnect it, ...
2
votes
2answers
444 views

Apple MacBook Pro Battery vs Processor

I'm configuring a new MacBook Pro 15″ 2015 and wanted to know if the processor speed affects the battery life? 2.5GHz Quad-core Intel Core i7, Turbo Boost up to 3.7GHz 2.8GHz Quad-core Intel Core ...
0
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0answers
16 views

MBP not charging despite SMC reset

Late 2008 Macbook pro4,1, "Battery not Charging", steady green led. Battery seems fine, and is after market but won't charge. It worked well a week ago before not being used over the long weekend. ...
0
votes
2answers
71 views

iPad plugged to charger turns off due to low battery

My iPad is connected to charger yet battery level decreases (not as fast as plugged off but still). Is it a fault that can be directed to Apple Support for warranty or normal behaviour? I though that ...
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2answers
24 views

What specifications does my iPhone 5c require to charge?

I'm looking into portable battery packs and I was looking into the electrical specifications of the pack. This got be thinking what current and voltage does my 5c need to charge?
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1answer
42 views

Unusual problem regarding old water damage, new battery not charging macbook air mid 2011

I have quite strange problem. I had some water damage on my computer few month ago. After it dried completely computer worked only when I unplugged the battery but if I unplugged the charger my ...
1
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1answer
33 views

Would the battery from a 13“ MacBook Pro (2010) work in a 15” MacBook Pro 2011?

The battery of my MacBook Pro 15" (early 2011) died recently and I happen to have the battery from a 13" MacBook Pro (2010) handy. Does anyone know of any reasons why this battery would not work? ...
0
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2answers
160 views

How do I extend the lifespan of my MacBook's battery (2015 Retina Model)

I have just received my 2015 Retina MacBook. I would really like the battery to last long. Is there anything I can do to extend the battery life because my retina MacBook Pro's battery got ...