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

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2answers
157 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? ...
4
votes
1answer
124 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
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1answer
48 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 ...
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2answers
68 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
74 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 ...
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0answers
46 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 ...
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0answers
139 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 ...
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0answers
209 views

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

I brought my MacBook Pro, retina, 13" late 2013 to the Apple Store to find out what's wrong. They couldn't replicate the problem, therefore they couldn't give me any answers. I know of others who have ...
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2answers
4k 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>: ...
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0answers
21 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 ...
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0answers
240 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 ...
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1answer
2k 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.
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1answer
266 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 ...
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1answer
33 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
247 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 ...
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0answers
18 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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1answer
146 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: ...
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1answer
70 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 ...
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1answer
19 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 ...
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0answers
134 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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0answers
709 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 ...
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0answers
116 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 ...
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4answers
2k 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 ...
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0answers
222 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
10k 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 ...
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1answer
152 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 ...
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2answers
1k views

Macbook Pro Fan fullspeed, no temperature and keyboard backlight

I've got a Macbook Pro 2008 15" 4,1 with OS X Yosemite 10.10.5 and the latest Firmware and both fans run the whole time at fullspeed. My research brings up, that it's probably the temperature Sensor, ...
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votes
1answer
60 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 ...
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1answer
165 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 ...
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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%. ...
3
votes
2answers
11k 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 ...
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1answer
609 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?
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1answer
132 views

iPad 4 Charges Very Slowly

After I updated to iOS 8.4, My iPad has been charging Very slowly. Times: 12:00PM (noon) - iPad died, switched on charger. (1%) 1:30PM - iPad comes on. (2%) 3:00PM - 4% 4.00PM - 9% 5:10PM - 9% ...
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0answers
69 views

Xserver Early 2009 Raid Card

I have an Xserve 2009 with Yosemite installed. The 3 hdd are configured as RAID5. It was working fine until this morning. Upon reboot I see the folder with the question mark. I put a macbook pro in ...
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0answers
21 views

Should a MacBook Pro be used without a charger until 1% until charging instead of keeping it always on charger? [duplicate]

There are two charging styles: use until 1% -> charge -> use until 1% -> charge... always charge Which one is better?
2
votes
3answers
227 views

Is there a way to tell how long your Mac was turned on on a distinctive day?

I would like to know how long my MacBook Pro was on today - total uptime for the day. I just bought it, and I thought the battery was bad but it went on for longer than I thought. Of course, I wasn't ...
0
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1answer
115 views

How to disable alert notifications in iOS when battery drops to 20% and then to 10%?

Is there a way to disable these alerts that appear when battery drops down to 20% and later on to 10%? (iPhone 4s iOS 8.4.1).
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1answer
62 views

Low Battery Performance - Activity Monitor Shows Faults in CPU statistics

My Macbook battery (I guess batteries is the more correct term in this new Macbook) isn't getting battery life as estimated by specs, and it is already lessened in only about 2 months. Today, I ran a ...
1
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1answer
187 views

iPhone is dead, will not charge

I have an iPhone 4s running on iOS 8.1.3. I've owned it for about 2-3 years now and have taken good care of it physically and hardware wise. But recently my phone had died. I plugged it in to the ...
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1answer
1k views

Does iPhone battery life last longer using Wi-Fi vs Cellular Network?

Just out of curiosity and for my knowledge, from a software and hardware standpoint prospective, I read: When you use your device (iPhone) to access data, a Wi-Fi connection uses less power than a ...
1
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1answer
20 views

What should I know about replacing my computer's battery?

My early 2011 13" MBP has been telling me to "Replace Soon" the battery, and today it's finally getting its wish. I know the hardware procedure, courtesy of iFixit, but is there anything else I should ...
0
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0answers
222 views

MacBook Air Won't turn on

I've had this MacBook for only about a week and I'm having issues with the fan speed, battery percentage, keyboard back-light and now it won't switch on. I was was having issues with the trackpad and ...
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0answers
71 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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1answer
55 views

How often should I use the battery on my MacBook (which I exclusively use as desktop)? [duplicate]

Since getting my mb-pro 3 years ago, I've only used it as a desktop. A few times, the battery has kicked-in for a few hours while the power was out. Someday, I might want to task it as a laptop. For ...
0
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0answers
37 views

iPhone 4S Battery Over-Charge Shut Off

Could anyone please tell me where the iPhone 4S initiates the shut-off with any 'over-charge' to the battery? (i.e. keeping phone in charger all night). In other words, is this a mechanism within ...
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1answer
1k views

Will it damage the battery if I use my MacBook Pro while playing WOW or just using it, while charging?

I just received my first MacBook Pro as a birthday gift, and I am one of those people that tends to "baby" their electronics. I also tend to play World of Warcraft (WOW) quite a bit, but the problem ...
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0answers
380 views

MacBook Air trackpad erratic, no bulging battery

I have a MacBook Air 13-inch, Mid 2011 10.10.3 (out of warranty) bought in 2012 and I have been struggling with trackpad issues since January 2015 soon after receiving the warning "Battery Service" ...
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0answers
23 views

Magic Mouse low battery when not in touch with Mac

Anybody else notice that their Magic Mouse goes dead a lot quicker ... like... within 15 days or so if you use a MacBook and are always leaving your mouse behind? I use great batteries, won't mention ...
0
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1answer
91 views

My iphone 4s turns on while charging, but once on it turns off

Recently my phone died and I plugged it in, and like usual it turned itself on. But I noticed that once the phone was turned on it wasn't charging. I tried a new charger, but all the chargers I have ...
0
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1answer
291 views

Macbook Pro 2012 shutsdown suddenly at 25% battery

I have a Macbook Pro Unibody Mid 2012 and used the battery for only 118 cycles. Since a few weeks ago whenever I'm on battery and it reaches <25% my Macbook shuts down immediately (no warning, no ...