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

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How do I identify a good quality replacement battery for an iPhone?

My iPhone 4s battery was dying, so I replaced it (the battery). But the replacement battery (which was a cheap one from eBay) is pretty poor. The replacement battery looked exactly like the original ...
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1answer
33 views

Why does iPad run out of batteries while it's plugged in?

I'm playing Vain Glory with my iPad Pro plugged into the 12W adapter via the supplied Lightning cable. Screen goes black, battery dead. Takes a few minutes to come back on. Why on earth did the ...
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1answer
337 views

Battery Life While Using External Monitor on rMBP is Less

I have a Retina Macbook Pro 2014, in clamshell mode attached to a full HD monitor. I see that battery lasts much less when connected to an external monitor. Is there any explanation to why this ...
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0answers
10 views

MacBook Pro charging tip [duplicate]

I'm about to buy a Mac Book Pro Retina, I'm going to use it mostly at home and when needed I'll take it to my workplace, and so forth. I know it does not have a removable battery, so I'm wondering ...
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3answers
58 views

Does charging my early 2015 MacBook Pro all the time damage the battery? [duplicate]

I am using my early 2015 MacBook Pro as a desktop by connecting it to an external display, thus, it needs to be plugged in to a charger all the time. Does charging my early 2015 MacBook Pro all the ...
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31 views

My iPhone Won't Charge!

I have an iPhone 6 and I've been using it for around 6 months now. It has never ever fell on the ground or in water so I don't understand. My problem is, my iPhone just won't charge. Here are the ...
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2answers
59 views

Low Battery Alert for Mac OS X El Capitan

I have Macbook Air, Mac OS X El Capitan. There is no warning box shown before the battery is near %15, like it did for Mountain Lion. So I can not notice and my computer goes sleep simply when the ...
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28 views

Two iPhone users update their devices to the newest iOS version and have their phones fried

Hello Apple Stack Exchange Community! I run a local computer and phone repair shop, and I've run into something I haven't seen before. Two of my past clients, both who take meticulous care of their ...
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2answers
19 views

How to disable “turn off display after” when using Apple TV?

I have my Energy Saver->Battery->'Turn display off after:" set to 2 minutes. This setting is exactly how I want power settings to behave when I'm using the computer on my lap. However, when I hook up ...
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4answers
72 views

Does force closing apps have any benefit on iOS devices?

I've gotten mixed answers from various websites and people concerning this question, and I wanted to put it out there for all of you to answer once and for all. The question is, does force closing ...
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2answers
174 views

Running Ubuntu on MacBook Pro 2015 — run natively (dual boot) or run in virtual machine for longer battery life?

I currently use Ubuntu in a virtual machine, using VirtualBox software on my host operating system, OS X, on my MacBook Pro 2015. However, the battery life drains quickly when Ubuntu is used ...
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19 views

How much difference is made on battery life when keeping mobile data switched on along with WiFi?

What if I turn on Mobile Data whole day along with WiFi? In this way, How much more battery is going to be used up? I have WiFi connection at my home.. But sometimes it stops working.. And it's ...
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2answers
36 views

Fine to keep macbook on power for unlimited time? [duplicate]

I just got a used Macbook Pro (retina) 2012 running El Capitan. I am keeping it charged and on all the time. Is there any harmful effect from doing so on the battery in the long term?
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2answers
82 views

Mid 2012 MBP shuts down claiming no power with charge at 30% or 40% or more

I have two mid 2012 MBPs. Sometime last year they both started randomly shutting down and showing the 'please plug me in to power' image when trying to start them up. That would be fine if the batter ...
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2answers
51 views

Debugging charging problem with MacBook Pro

I have a MacBook Pro (unibody late 2008 15") A few weeks ago the charger was causing hassle and eventually the connector came loose. The MacBook eventually lost power. Then, I asked my friend for ...
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2answers
171 views

Extreme energy usage by Spotlight

I recently (two days ago) updated to El Capitan on my work machine (15" MBP, Mid 2015, 2.5 GHz Core i7, 16GB ram, R9 M370X, 500GB SSD) and ever since then, Spotlight has been draining my battery and ...
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55 views

iPhone Outlook app still fetches mail when in Low Power Mode, while the default Mail app doesn't

I'm trying to compare the default Mail app that comes with iOS and Microsoft's Outlook for iOS. The use case I'm particularly interested in is when the Low Power Mode is enabled. From what I ...
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2answers
51 views

Any way to turn on the reduced power mode a macbook uses under battery power, but while plugged into a power adapter?

I have an external battery rigged up for my MBP. It goes through the magsafe adapter. The battery is about twice the capacity of the internal battery. The problem is, the macbook thinks it is ...
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1answer
10 views

Magic Mouse Battery Plug In

I'm new to mac and everything around, I just want to know if I can code a sort of plug-in to show the batterie of the magic mouse, in the menu bar. What is the type of template i have to choose in ...
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1answer
71 views

Do Sophos and Spotlight conflict and if so, how can I run both applications without problems?

I just got a brand new 13" MacBook Pro at work. I have noticed that Spotlight has been running constantly giving me ~4 hours of battery life. The motivation for getting this laptop was to have the ...
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1answer
25 views

Will Apple service secondhand iPad still under warranty?

I bought an iPad on eBay a few weeks ago. It's still covered under the original Apple warranty. There's a clear problem with the battery. Will the Genius Bar staff look at and service this device if ...
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0answers
51 views

Why a sudden increase in CPU when battery low?

My Macbook Pro (Retina 13" late 2013, OSX 10.10.5) has fine battery life overall - this is not the problem. However, when the battery drops below about 8%, and before I normally get any "your ...
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16 views

iPhone turns itself off on startup

So lately I have got my first iPhone 4S and I have had turned it on for two days straight on a start-up screen as I didn't set it up yet (no time), however it turned itself off while having around 80 ...
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1answer
68 views

iPhone 5s Battery

Ok here's the breakdown: I just bought an iPhone 5s from a girl on the Internet. It wasn't in perfect condition but nothing was wrong to make it not run good. I was only on the phone for about 20 ...
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2answers
43 views

At how many battery cycles should I consider replacing my battery?

My battery has become quite a pain in the neck recently, It's not lasting much more than about 2 or 3 hours and that's usually just using basic programs like chrome or pages etc. It's difficult for me ...
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11 views

iMac retina 27 inch and OS1o.11.4

In System Preferences, the battery level indicator for "keyboard" (bluetooth) seems to be stuck on 100%. It never goes down. But the indicators l for both the Apple mouse and the Apple track pad do ...
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1answer
41 views

3180mAh battery for iPhone 5, is it safe to install?

My battery is very weak in my iPhone 5, and I want stronger battery. I can buy double the size, around 2880mAh, but I want even stronger and I found one on eBay, battery for iPhone 5 with 3180mAh. Is ...
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1answer
34 views

Macbook Air 13" 2014 battery drain

Okay well so this Macbook i have isn't giving me a full time its rather dying our very fast!! even after i don't know resetting the smc and the nvram and i have no idea whats going help its really ...
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2answers
24 views

MacBook Pro mid 2009 reports “Service Battery” but works ok

I get a message saying "Service Battery", but it continues working ok. How do I service the battery?
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1answer
42 views

Test iPhone 4s hardware without battery. Possible?

So, I have this iPhone 4s, which was broken. So i replaced the screen. While I was replacing it, I accidentally broke the black wire that connects the battery to the motherboard. So I dont know if it ...
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0answers
53 views

Severe performance issues with my Macbook Pro Retina 13 - mid 2014

A few weeks ago I bought a used Macbook Pro Retina and I've been having severe issues with it since. The first thing I did when I bought it was to upgrade from whatever version of OSX it was using to ...
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2answers
119 views

How to enable display on Dell monitor connected to MacBook Pro when not charging?

I've just purchased a Dell P2415Q monitor which I've connected up to my MacBook Pro (running OS X El Capitan). Everything works great in terms of the display, however I've noticed that it goes into ...
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60 views

Improving the battery life of Windows under Bootcamp

I run Windows 10 through bootcamp on a mid-2014 macbook pro with a discrete graphics card. The battery life is unfortunately about a half of what the system gets under osx. Other posts on ...
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2answers
70 views

When apple replaces the battery in a 15" MBP retina, do they replace the entire top portion of the case?

Apple's site says it is $199 to replace the battery. Do the techs replace the entire top portion of the case including the keyboard and trackpad? I've read a few things on the internet alluding ...
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0answers
11 views

battery diagnostics ipod touch 5g

I recently bought an iPod 5th generation off of Craigslist and I'm pleased with the device, however the battery does seem to run out fairly quickly. This in itself may not be an anomaly, however it ...
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26 views

Why can't I turn on my MacBook after resetting SMC

Lately there've been some problems with the charger of my MacBook 12 inch. I searched on the internet and I was advised to reset the SMC by shutting down the MacBook, pressing shiftalt/optctrlpower at ...
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1answer
26 views

Can I use the battery from an early 2014 MacBook Air in a mid 2012 Air?

I just bought a used mid-2012 MacBook Air to replace the early-2014 model my dog killed but the battery life is terrible comparatively. Can I take the battery out of the 2014 and use it in the 2012 ...
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16 views

What are the specifications of the battery inside a 13-inch MacBook Pro with Retina Display?

The Apple website has the following information about the battery: Built-in 74.9-watt-hour lithium-polymer battery Line voltage: 100V to 240V AC Frequency: 50Hz to 60Hz I need exact ...
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2answers
53 views

Is it safe to charge a MacBook Air after the green LED shows?

Is it safe to charge my macbook after the green light shows? Would it not overcharge the battery, or reduce its lifespan? I've heard that doing this is completely safe and it increases the cycles or ...
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1answer
47 views

Best practices for Macbook Pro usage [duplicate]

I have a new Macbook Pro and I want it to last and keep a healthy battery. How do I best ensure this? If I am using it, do I let it discharge, or leave it plugged in? If I am discharging it / ...
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0answers
67 views

How do you ascertain that the battery drain in an iPhone is software related

So, my iPhone 6 Plus battery has been draining very badly. Whereas I used to get over a day on a single 100% charge, I barely make it half a day now. Even the charging in takes whole night even on a ...
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1answer
71 views

Is it possible to replace battery in an old iPad?

I have an old iPad 2. The battery goes dead when it is unused for only one day. Should I change the battery and if yes, how should I do it?
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3answers
32 views

Should I change my battery?

I Have a MacBook Pro (13-inch, Mid 2009). Now the battery status is "Service Battery". I'm thinking of getting a new Laptop. My question is can I use my laptop even battery is dead by plugged in? ...
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94 views

Apple Diagnostics Reports Bad Battery but AASP Says Battery Is Perfect

I live in Italy. I have a rMBP 15 late 2013. It's performing just fine. It's covered by AppleCare for 1.5 more years. Every month I make Apple Diagnostics tests. I always had the ADP000 outcome, ...
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0answers
19 views

How can I SMC Reset with this issue?

Okay so my friend gave me his old mid-2010 MacBook Pro. It has an aftermarket battery in it, the first one died and after his friend put the aftermarket one in it never started. I did the cycle where ...
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379 views

Why Safari is consuming so much battery?

From last 2-3 weeks I started noticing that my iPhone is consuming more battery than usual, around two to three times more. When I looked at battery consumption details I found out that Safari is ...
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1answer
52 views

mid-2012 Macbook Pro Retina 15" won't recognize new adapter

I recently bought a new power adapter off Amazon, and it worked with my mid-2014 MBP at work and my colleague's mid-2014 MBP, but not my mid-2012 MBP Retina 15" (which, frustratingly, it was bought as ...
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1answer
34 views

MacBook Pro replacment battery recommendations [closed]

I need to replace the battery in my MacBook Pro early 2011. Since my Mac is quite old I am looking for less expensive non-original replacement battery. I only need it to get me through one more year. ...
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0answers
13 views

My iPhone 5c's time will always be not synchronised, every time I leave it alone or it discharges it stops synchronising

I had a question in the topic. Every time my iPhone runs out of battery it won't have the synchronised time. At first, I thought it maybe had a CMOS battery and it had run out of battery, but having ...
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0answers
8 views

Is it possible to see how much time I've been running with the last charge? [duplicate]

Just like in smartphones in which we have a graphic showing the status of the battery since the last charge, is there something like that for a Macbook? Basically I'm interested in knowing how much ...