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

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1k views

Macbook Pro Sleep Battery Drain

I have an Early 2011 Macbook Pro (13", basic spec) which since I got it (I only just stopped to think about it) has had a massive amount of sleep battery drain. When the laptop is on and in-use, its ...
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67 views

Is it possible to disable CPU throttling on a MacBook Pro with a completely dead (not recognized) battery?

I have a MBP late 2011 running El Capitan, recently my battery died (x over the icon and "no battery available" in the dropdown.) I've noticed since then that CPU intensive tasks are very slow, and I ...
3
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0answers
208 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' ...
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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. ...
3
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0answers
889 views

iPhone heat and battery drain

In december 2013 I bought an iPhone 5s. A couple of weeks ago I restored my iPhone to 7.1.1 using a back-up on my Mac. Since then, the battery drains very quickly and the devices heats up most of the ...
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50 views

Audio warning to warn you that your laptop's battery is low

I have two computers where I work back and forth, sometimes I'll launch a render on the MBP and go work on the iMac. But sometimes, I unplug the MBP, go do something else, and rendering uses up all ...
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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 ...
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79 views

App to allow battery charge only to a certain extent

I'd like to charge my rMBP battery only up to 85% or 90%, in order to preserve it. Is there any app that stops charging at user selected percentages? If not, is there any other method? (Apart from ...
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2k views

iPhone 4S 64GB not charging unless switched off

My iPhone is simply not charging unless I switch it off while it is already plugged in. I suspect it to be a software problem, as when its off it charges. Windows does not seem to recognize the device ...
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666 views

Macbook pro mid-2010 randomly turns off?

This has been happening for around 6 months and it has gotten worse. I thought it was the battery because it had close to 1500 cycles. But I recently replaced it and now the problem seems worse. The ...
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51 views

Why is my rMBP drawing twice as much power as my friend's when idle?

Mine is late 2012 and has 8GB RAM. His is late 2014 and has 16GB RAM. Both have an SSD (although of different size) and both are running Yosemite. We set the brightness to 6 pips each and turn off ...
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491 views

How much will upgraded processor and RAM affect battery life?

I'm considering purchasing a new Macbook Air, and one of my main goals would be to maximize battery life. If I upgrade the standard processor (from 1.3GHz Dual-Core Intel Core i5 to 1.7GHz Dual-Core ...
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0answers
219 views

Strange sleep mode of MacBook behaviour after water damage

Months ago I drowned my MacBooks keyboard in water and it died. I'm using an external keyboard now the Mac works as before. However, there is this interesting feature that if I just close the Mac ...
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47 views

How to diagnose the cause of accelerated power drain in iPhone 5s / 6s?

I recently upgraded from an iPhone 5s to a 6s. Most days my phone battery lasts the entire seven hour work day easily (my 6s typically lasts about two days). But now and again with the 5s I would ...
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15 views

Macbook Air 11" mid 2013 keyboard backlight doesn't work

I've bought a Macbook Air mid 2013 trough a secondhand website. After test it all I told the man that I'm interested. So I payed. Once at home, I realize the keyboard backlight doesn't work. I've ...
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68 views

Apple Music filling iPhone with everything

Just turned on Apple Music on my Mac (not that Apple has relaxed the 25,000 song limit). After doing so I notice my iPhone getting hot and where I once had ~60 GB of free space, now I'm getting ...
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104 views

Spotify battery usage

I've got an iPhone 6 (upgraded from an iPhone 5s two weeks ago) and the battery life is irritating me. I use Spotify a lot (probably 5 hours+ a day whilst I'm at college, easily) but I think it might ...
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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 ...
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357 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 ...
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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 ...
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64 views

iPhone 5 won't charge in certain geographic location

My iPhone 5 charges fine in NYC - albeit with weakening battery life. I went to Maine a couple weeks ago and it would not charge. Used the same charging hardware as in NYC which also worked fine ...
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57 views

Are location-sensitive reminders bad for battery life and/or data usage?

If I understand iOS's location-aware reminders correctly, they work by constantly checking your location until they see that you're in the specified range. Wouldn't this be really detrimental to the ...
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0answers
57 views

How to configure the battery percentage at which the mac will hibernate

I've replaced my macbook pro battery with a non-official one and since the battery lasts a few hours less that the original one did at first (6h < 9h) when my battery starts running out at 1% ...
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203 views

Low Battery Crash with no Battery Usage on ipad 2 with ios 8.3

My iPad 2 has been crashing recently with no warning and then takes several hours charging before it comes back to life. When it crashes there is only a low battery icon, and no charging symbol when ...
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106 views

Incoming call is not registered on iPhone if iPhone turns of before I pick up

The situation: iPhone is low on battery I receive incoming call I try to pick up and phone turns of during that moment In this situation incoming phone number is not registered on the recent call ...
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68 views

My Macbook Pro says I'm connected to a power source even when unplugged

I have a Macbook Pro mid-2010 (Macbook 7,1) that is acting a bit weird. The battery status always says I'm connected to a power source even when the charger is unplugged. The battery still discharges, ...
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389 views

Tweaking OS X 10.10 Yosemite to auto-toggle Reduced Transparency when on battery

I am curious about whether there is a way in OS X to hook to some events to find out whether the laptop is plugged into power. (And furthermore how we can control the "Reduced Transparency" settings ...
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148 views

Estimating battery life remaining while charging in OS X

Retina Macbook Pro's battery life is amazing, and it is handy having an accurate estimate of how much longer it will last on the remaining charge, in hours and minutes. While charging however, it ...
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433 views

Disparity between “Charge remaining” and “Full Charge Capacity” on relatively new MacBook Pro?

I have the latest retina MacBook Pro. While looking at some statistics, I saw the following: My computer is currently on 100% charge (charger is plugged in), and it seems odd that the difference is ...
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173 views

Battery Life on MBPr (2014 model) with*out* dedicated GPU

I am considering to try MBPr (late 2014 models) coming from Windows environment, which means that I would still need to use Windows about 50% of the time. One of the strong points in favour of MBPr is ...
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93 views

iOS: Default Battery Percentage Level for individual services to switch off

We all know iOS switches off services one by one when the battery reaches critical level. But is there any fixed battery level to cut down individual services. For example, Bluetooth will be switched ...
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143 views

What are the ways to solve my iPhone power drainage problem?

I am using iPhone 5s with iOS 7.1.1 I have a problem from 3 days ago. The battery keeps draining and the phone keeps warm in the whole day. I found that mstreamd keeps starting every minute. From ...
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103 views

How performance of Macbook Air 13" mid-2011 battery from iFixit compares to the original one?

Please share your performance of the replacement battery as sold by iFixit (I'm interested in the New one, not B-Stock) as compared to the original battery from Apple for Macbook Air 13" mid-2011 ...
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68 views

iOS - Howto get notification email when battery is less than 20%

I wish to receive an alert/notification with email when iPad Mini battery is less are equal than 20% I use iPad mini only in public transport, not regularly. So no manual solution.
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69 views

Using old MacBook battery as an USB charger. Known adapters/cases?

I have an old MacBook with an OK battery. When I go out sailing or traveling I have a lead battery with me to be able to charge USB-things. iPhone, portable speakers, etc. The old MacBooks battery ...
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0answers
156 views

Does APNS work over LTE, or only UMTS/GSM and WiFi?

Over at Android Enthusiasts, we are having a discussion of what's more battery-life efficient — having APNS over GSM or UMTS networks during sleep, as TS4264 appears to indicate (thus ...
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115 views

Battery value in terminal different to battery value in menu bar

My MacBook Pro Retina is currently reporting 100% battery in the menu bar, however if I run the following command in terminal; ioreg -l -w0 |grep Capacity The following is returned; | | ...
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610 views

MBP restarting twice after going into deep sleep from a fully drained battery

Ever since I installed Mavericks on my 15" Mid-2012 MBP (4GB), I've noticed that if I let my machine completely drain to 0% and it (supposedly) goes into Deep Sleep, when I plug it back in and ...
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76 views

Can anything cause the battery “cycles count” to appear LOWER than it really is?

My Macbook battery is essentially dead. It has behaved erratically for the past 1.5 year. In any case I checked the cycle count today and found only 270 something. If I recall correctly, I had much ...
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616 views

Dim LED on Magsafe, Macbook Pro won't boot

I have a Macbook Pro late 2008, and today, it suddenly decided to stop booting. The battery level is very low, and connecting the adapter to it shows a very dim green light on the Magsafe connector. ...
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84 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 ...
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0answers
157 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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0answers
1k 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, ...
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311 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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0answers
711 views

“2008 Mac Book Pro 15” Fan max speed, Battery not recognized , SMC reset makes it worse

I have a "15" Mac Book Pro 5,1 and after running it stone dead on battery once it wouldn't power on without holding down the power button, with battery and AC removed and then plug AC back in while ...
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0answers
11 views

iPod Shuffle (4th Gen) is in a coma

The iPod lights up when connected to a power source but it doesn't turn on. Here are my observations: It syncs perfectly with iTunes, with the yellow light flashing and all. The yellow light is ...
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0answers
19 views

2011 Macbook Pro won't boot unless I SMC reset and do a combination of attaching battery and charger

From what I read, on this model of MacBook, an SMC reset is done by removing the battery and holding the power button down for 5 seconds with no charger or battery attached. I tried the other method ...
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0answers
8 views

MacBook Air Battery Not Recognised

From time to time, my late 2010 11" MacBook Air stops recognising its battery. It behaves in every way as if the battery had been removed. Resetting the SMC and PRAM makes no difference; I have to ...
0
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0answers
11 views

What is a possible non-jailbreak way to trick an iPhone into thinking it is being charged even though nothing is plugged in?

Does anybody know a trick to make an iPhone 5 make that charging sound and have that green battery icon appear, but not actually charge or have anything plugged in? I need it as a demonstration for a ...
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0answers
4 views

Pismo G4 (upgraded) laptop

Pismo with G4 upgrade. I have an old that I use for music. Connects with music files to keyboard and Logitech 5500. Suddenly, It won't start at all. I took the battery out and an external charger ...