0
votes
2answers
14 views

Does the iPad draw more current when charging?

I seem to be able to charge my iPhone 5 on a variety of USB chargers (car ones included). My iPad retina (iPad 4) seems to be very fussy about which chargers it will actually charge up on. (The ...
0
votes
1answer
57 views

Do dynamic wallpapers drain battery?

Is it true that using a dynamic wallpaper will drain the battery faster than a still wallpaper? If so, how much faster does it drain? (I'm using an iPad Air running on iOS 7.1)
1
vote
1answer
22 views

Macbook Air mid 2013 not charging

I have a macbook air mid 2013 model. It worked with no problem till now. Today when I opened the macbook it shows no charge symbol(I mean when you press power button it shows a battery icon in a black ...
2
votes
1answer
151 views

Is my iPhone 5S draining battery too fast (and is it due to process mediaServerD?)

My iPhone 5s has always had less good battery life than my previous iPhone (4S), but I'd always assumed that it was due to the increased speed of the CPU/GPU and the increased screen size. It also ...
4
votes
2answers
552 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
votes
0answers
34 views

Need to drain (powered down) iPhone4s' battery.

in summary, i think my 4s is having some battery calibration problem. started with batt % dropping rapidly to 1%, but managed to on itself after i charged it for abit. stayed at 1% for the entire ...
2
votes
5answers
134 views

No Batteries Available ?-How to Check battery health on MacBook Pro early 2011

A few days ago, I went on vacation and unplugged power cable from my MacBook Pro 13' early 2011 and then I got back home, the battery was not detected by OS and didn't charge. I then understood that I ...
3
votes
2answers
190 views

Macbook pro doesn't go to sleep after left inactive

In Energy Saver settings (System Preferences -> Hardware section) the Mac is set to sleep after 15 minutes, but nothing happens. Mac drains battery and automatically turns off when battery is low. ...
0
votes
1answer
220 views

Checking the health of my iPhone's battery

It seems that my iPhone's (4s - purchased Nov. 2011) battery loses its charge fast. I have read all the relevant OPs. Is there any app which provides information about the battery's health? Or ...
0
votes
1answer
32 views

Battery lasts a month on an iPad?

iMac power supply died, and I decided to replace instead of fix. The day after I ordered the replacement, my iPad screen failed to light the screen. That I intend to fix, but I didn’t want to touch ...
1
vote
1answer
58 views

Late 2009 MBP 15" battery drain on sleep after putting SSD and ram upgrade

I have a 2009 MacBook Pro (macbook pro 5.4) with Core 2 duo 2.53ghz 4GB RAM with 256 HDD. I upgraded the RAM and switched to SSD. Here are the specs: Crucial M4 CT256M4SSD2 2.5" 256GB SATA III MLC ...
0
votes
2answers
39 views

Can an iPhone be force started before the 15 minute recharge period?

There are times when the iPhone is at low battery level that it turns itself off. Sometimes, it maybe when I am going to charge it but looking for where my cable is, it turned itself off. So I ...
2
votes
0answers
83 views

Chrome continues running even when Mac should be is asleep

I have the latest version of Chrome running on my Mac. I've noticed that even when I close the old intending to put my computer to sleep, Chrome continues running. I know this is the case because I ...
0
votes
0answers
21 views

External Firewire Audio Interface Overheating Macbook Pro 6,1

When I connect an external firewire audio interface to 17" Macbook pro 6,1 2.53ghz i5 the computer heats up at an alarming rate. I've heard all sorts of things on the internet, but still no reasonable ...
2
votes
1answer
56 views

Skype video call taking a lot of battery power on mavericks

I have got mavericks 10.9.2 and latest Skype version 6.14(351) on a MBA 2013. Whilst on a video call with one person only both cameras turned one and very good wifi signal Skype drained about 18% of ...
2
votes
1answer
47 views

Is there a solution for preventing battery drain on the 5s after the iOS 7.0.6 update?

I have tried a hard reset, removing Outlook email account, and closing all apps and turning off Background App Refresh.
3
votes
0answers
32 views

Erratic battery percentage behavior

I purchased an iPod Touch in December 2011. It came with a Target 2 year warranty. From the time I started using it the battery never read correctly. I decided before the warranty was up in February ...
0
votes
0answers
34 views

iPod Nano doesn't get fully charged when connected to MBA

I've a 7th generation iPod Nano. And it's working fine. I usually used to charge it either by connecting it to a wall charger or through my iMac. And every time it got charged just fine. The battery ...
1
vote
1answer
37 views

Connected new charger with Macbook Pro. Both Macbook Pro and Charger stopped working. Any reasons?

My macbook pro charger stopped working sometime ago. In the meanwhile I have been using friend's charger without any problem. Today I bought a second hand charger and when I tried to connect it with ...
0
votes
0answers
75 views

Charging issue MacBook Pro (late 2009)

I came home one day and the battery on my MacBook was dead. I plugged it in and the light stayed green. After doing some research I reset the SMC and that didn't work. It caused the light to blink ...
0
votes
0answers
13 views

iPhone 4 CDMA does not charge when it came 92% battery [duplicate]

I had the iPhone 4 CDMA, it had a problem is it didn't charge when the battery came 92%. I have no idea about that, does anyone could tell me what exactly it is?
1
vote
2answers
131 views

iPad 2 charging very slow

My iPad 2 has recently become VERY slow to charge- about 1% every 10 minutes while plugged into my Retina MacBook Pro (my usual charging source). I've tried both USB ports on the rMBP and neither ...
2
votes
1answer
59 views

Unresponsive Trackpad Click After Battery Depletion

I had a very odd situation happen with my machine at the weekend and wondered if anyone could shed some light on it. I have an early 2013 Retina MacBook Pro and I was watching a DVD on it using the ...
0
votes
0answers
262 views

Macbook Pro Early 2011 with Mavericks suddenly got battery died

I've got a MacBook Pro 15" (Early 2011, i7 2.2/750GB/HD6750M) and I did some upgrades later on including 2x4GB RAM, a 256GB SSD and a 750GB HDD to replace the optical drive. This machine was smoothly ...
3
votes
1answer
43 views

How many hours since I unplugged my Mac?

Mobile phones usually say this as "xyz hours on battery" by counting the time from when they are unplugged from power. Can I find out how many hours has it been since I unplugged my Mac from charging ...
1
vote
1answer
122 views

New MBP 13 retina late 2013 battery problem

I just have bought new MBP 13 retina late 2013 and after installing: adobe photoshop, office for mac 2011, xcode, eclipse, java, and MAMP is battery life too short. 100% charched battery is remaining ...
4
votes
2answers
220 views

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, it wipes off but not completely and to me it smells like battery. can anybody tell me if i have a problem here or if ...
0
votes
2answers
54 views

MacBook performance while on battery vs plugged in

Should I expect my MacBook Air to run slower while on battery vs while plugged in? In other words, will it slow down the CPU/graphics/etc while on battery to conserve power?
1
vote
2answers
64 views

MacBook Pro battery life tanking even after battery replacement?

I've been having some issues with battery life on my MacBook Pro (15", Mid 2010). I thought I had tracked it down when I found out that the battery was near the end of its life (only holding 60% of ...
1
vote
1answer
93 views

Battery issue with iOS7 and iPhone4

So, I have IOS7 installed in my iphone 4. I first noticed this bug as follows: When I get home around 18h I plug-in the computer, and at around 23h before going to bed it's already 100% for some ...
0
votes
1answer
1k views

iPhone 5s: Which consumes more battery, 4G, or 4G LTE?

Under Settings > Cellular, there's an option to enable/disable LTE. When disabled, my phone reverts to 4G, as indicated by the icon in the status bar. I've read elsewhere that using 3G causes greater ...
0
votes
1answer
1k views

My iPad Mini won't turn on after charging

Last night I went to use my iPad and found the battery was completely drained. So, I charged it, after a few minutes it turned back on, and I looked at the battery symbol and it had said that it was ...
1
vote
1answer
90 views

Is it bad to use MacBook pro with battery every day.

Is it bad to use new MacBook Pro with battery every day? Or would it be better for the battery lifetime to use battery only one day a week? The problem is that I don't think I can change battery if ...
1
vote
0answers
39 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 ...
1
vote
2answers
2k views

Why does my battery drop with 1% within a minute after removing the charger?

I just got a new iPhone 5S a week ago. Works perfectly aside from the fact that the battery tends to act weirdly. As mentioned in the title, when I remove the charger the battery percentage drop by a ...
0
votes
1answer
191 views

Correct battery voltage for new MacBook Pro battery

I have a 17" Macbook Pro (5,2 mid 2009, MC226LL/A) that has a battery that is in need of being replaced. I'm looking for the correct battery for it and have found various batteries that say they are ...
0
votes
2answers
38 views

What counts as a partial charge for my rMBP?

I just recently decided to switch over to the Mac for the first time by buying the latest Retina MBP (which shipped with Mavericks). I use it like a commuter where I have it unplugged for a couple of ...
1
vote
2answers
67 views

How can I force a Mac laptop to shutdown when the battery is below 25%?

It is common wisdom that Lithium-Ion batteries should not be left with 0% charge. However, some users might not be aware of this common wisdom, or simply refuse to concern themselves about proper ...
3
votes
1answer
88 views

Apps using significant energy terminal/applescript

Does anyone know how to access the "Energy Impact" data used to determine "Apps Using Significant Energy" displayed in the battery menu bar? I'd like to use it in a shell-script/applescript.
1
vote
0answers
181 views

MacBook Pro Suddenly Goes to Sleep and Will Not Wake Up

I have 15-inch, Mid 2010 MacBook Pro running Mac OS X Lion 10.7.5. It will occasionally (every other day) without warning go to sleep. I can see the sleep indicator on, but otherwise it is completely ...
-1
votes
1answer
638 views

White screen problem in iphone 3gs

Hello i have iPhone 3 gs and i have amazing problem when i lock my phone then after 15-20 seconds its shows white screen then i have to restart it what to do in this case is this a battery problem ? ...
0
votes
1answer
21 views

Does Exist any way to change battery of MBP 2012 13" with a bigger one?

The question is simple, can i make an upgrade of my battery? I mounted a OWC datadoubler, and now i'm using an SSD and HDD configuration. But my battery life dropped from 6 to 3h 30... i would like to ...
0
votes
3answers
2k views

Why the iPhone doesn't automatically switch 3G off when connected to a wireless network?

This doesn't make any sense to me: why the iPhone doesn't automatically switch 3G off when connected to a wireless network? I always thought iPhone did that since the very beginning and my battery ...
1
vote
1answer
214 views

Using bash/terminal to get number of battery recharge cycles

I would like to get the number of recharge cycles using bash (terminal commands). I understand the following command will display all of the battery data, but I want the cycle count on its own ioreg ...
3
votes
4answers
1k 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, ...
3
votes
2answers
93 views

Poor battery stats on rMBP late-2013

I unpacked my new MacBook only 2 days ago and it showed 9-10 hours of battery life (as advertised). I didn't calibrate it, since it is no longer necessary (I was told). Today I noticed that it ...
0
votes
1answer
74 views

New MacBook Battery and charging

I bought a new battery as my old one cut out the system. Since installing the new one its been acting really strange. It's been sitting around 2-5% charge for the past few hours and now I've got it ...
0
votes
0answers
55 views

Macbook charger/MagSafe DC-in drive issues?

Hello everyone—I'm having really bizarre issues with my macbook charging. Prepare for a lot of information. The facts are these: I have an A1286 15" unibody macbook pro My genuine apple 85w ...
1
vote
0answers
56 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; | | ...
2
votes
2answers
1k views

iPhone 5 shuts down at 25% on iOS 7.0.4

My iPhone 5 has been shutting down earlier than normal at lower battery levels. First, it started to shut down around 10%, then it increased to 15%, 20%, and finally 25%. I used to be able to run it ...