Concerning hardware issue with recharging a battery

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2
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2answers
4k views

MacBook Pro failing Internet Recovery with exclamation mark

My MacBook Pro from 2009 restarts itself and doesn't charge, I tried recovery hd but I hadn't used Time Machine so the option is not there and now I'm trying Internet Recovery it give an exclamation ...
0
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2answers
3k views

MacBook Pro Retina 15'' Late 2013 Stoppped Charging

Related questions here and here. Hi everyone. This is what happened to me: I was giving a class, in a 200 people auditorium, and there were lots of power extensions and cables for everyone to ...
2
votes
0answers
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 ...
0
votes
1answer
91 views

MacBook shows it is charging when MagSafe is green

My MacBook currently shows this even though the MagSafe charger has a green light. Does anyone know why this is? If it helps I am on a MacBook Air late 2010 with 819 cycle counts, 4,995mAh (...
0
votes
2answers
74 views

Why is there a pause before the light comes on/mac starts charging when plugging in?

My mental model of a charger is that you plug it in and electricity fires out of it like a hose whether you like it or not. When I plug in my macbook charger, it often takes a few seconds before the ...
2
votes
3answers
3k views

Only my cable can recharge my iPhone

My iPhone cable is the only one that can recharge my iPhone 5. I have tested around 5 other iPhone 5/6 cables and none of them work. I am apprehensive of either losing my cable or breaking it. The ...
1
vote
3answers
8k views

Battery is not charging despite SMC reset

I have a problem with charging of my Battery which has been appeared last night. It was working perfectly well for a long time. All of my friends who had different laptops were so jealous at my ...
1
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3answers
137 views

Optimum way of charging apple devices?

I have recently read the article Should you leave your smartphone plugged into the charger overnight? The article listed the following points: You can leave your phone plugged into the charger ...
1
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1answer
156 views

iPod Touch 1st Gen charging rebooting loop

I have a 1st Generation iPod touch. When I try to charge it, it goes into a loop: The very low battery logo displays The black screen with white apple logo is displayed The screen shuts down ...
1
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1answer
554 views

iPod Touch will charge from computer USb, but not from AC outlet

I have an iPod Touch. If I plug it into the AC outlet, with a AC/USB power adapter, the iPod will charge to about 20%, and then stop charging. However, if I plug it into a computer USB outlet (using ...
1
vote
1answer
404 views

MacBook Air's battery doesn't charge, Service Battery state, but only 400 cycles

Yesterday everything was fine with the battery in my MacBook Air 13'' 2012 (2 years old). It was lasting for 4-5 hours like new. Today, all of a sudden, the battery has stopped charging at all (I have ...
-1
votes
1answer
168 views

Enable bluetooth only when charging iphone 5s

I don't want to manually switch bluetooth on and off periodically. Is there any way (including apps) that can enable bluetooth when the device is charging, but disable it when the charge cord is ...
1
vote
1answer
3k 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 ...
2
votes
1answer
62 views

Once I disconnect from the mains, can I leave the charger cable in the Mac?

I use my MacBook Pro on battery as much as possible, recharging when needed and once a month running it down to recalibrate etc. However, when the battery is charged to 100% I unplug the charger from ...
0
votes
1answer
370 views

Battery Cycles being used very fast

I am using a 13-inch mid 2014 MacBook Pro with Retina Display. It is about 3 weeks old and already has clocked 13 charge cycles. Is this too high ? Also, I follow the practice of fully charging it and ...
0
votes
0answers
2k views

iPad battery level doesn't increase when in use while charging

When I plug my ipad 3 in to charge while using it, the battery icon shows it is charging but the battery level percentage doesn't change. If it's at 18% when I plug in, it remains at 18% until I put ...
0
votes
2answers
2k views

Is it better for the battery to leave the iPad plugged when charging is done?

I charge my iPad. Later, I notice that the battery is charged at 100 %. Now, what is better to preserve the battery capacity ? Unplugging the cable. Leaving the cable plugged. The answer may ...
1
vote
1answer
270 views

Trying to restart a MacBook Pro that went off by itself with a battery that indicated “Service Battery”?

My daughter's MacBook Pro (Late 2011 model) just went off while she was using it. Battery was reporting that it required servicing, so apparently, she was pushing it. After it went black, it would ...
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0answers
353 views

iPhone 5c charger works in wall but not in computers?

My second charger did work in my computer and then one day just would not. It still worked in the wall perfectly fine. I wanted to sync it though so I went ahead and bought a new one. It worked in my ...
1
vote
1answer
132 views

Mac Air -first no sound, now it won't charge

First the sound went out on my macbook air. I was in the airport and tried everything I knew, nothing worked. Then I went to plug into an outlet I found, and realized it wasn't charging. It does ...
1
vote
3answers
2k views

Thunderbolt display not charging MBP battery

I have a mid-2012 Retina MacBook Pro and two Thunderbolt displays purchased in mid-2014. The MBP sits plugged into one of the Thunderbolt displays almost all the time, unless I'm using it away from my ...
0
votes
0answers
92 views

How to make iPhone turned on after charging

I often charge my iPhone when it ran out of battery. I often postponed charging my iPhone until it really run out of battery. After I charge my iPhone, I usually go to sleep or rest or forget about ...
0
votes
1answer
1k views

If we run out of battery and then charge iPhone, will it turn back on?

I just called by my lawyers 133 times for some very important message. My iPhone is just 3 meters in front of me being charged. Finally my lawyer come to my apartment and we both saw that the iPhone ...
0
votes
2answers
738 views

Iphone 3GS not charging

My IPhone was on 20% last night and I immediately plugged it in to the wall, it continuously kept connecting and disconnecting and at times giving "Charging is not supported with this accessory". ...
1
vote
2answers
3k views

iPhone 5 charging sound keep repeating, why?

I am using my iPhone 5 for iOS development so it is attached to computer via cable and often when I hold it and rotate it to see screen in a different orientation and I accidentally touch the cable at ...
0
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0answers
268 views

Macbook gets power but does not charge

I have a Macbook (Core 2 Duo, 2011 model) which does not charge when I attach my Magsafe charger attached to it. However, it does not discharge as well as apparently it does get power from it. This is ...
0
votes
1answer
74 views

Power consumption of a bash command

I want to run a bash script on my jailbroken iPhone whenever it is being charged. Currently my script looks like this: #!/bin/bash ACpower=$(pmset -g | sed -n '2 p' | grep -o '*') if [ "$ACpower" !=...
0
votes
2answers
241 views

Does a battery's remaining power drop consistently regardless of remaining charge?

how does the remaining battery life when plugging in factor in to the overall amount of usable computer time? E.g., with a full-charged deep cell battery, a fully-charged laptop, a power inverter, ...
1
vote
0answers
170 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 ...
0
votes
0answers
376 views

iPhone 4S on iOS 8 slow wake response

When the iPhone is charging, the response is quick. When it is not charging, sometimes the response lags. The lag is like this when not charging: Presses home/power button. Delays 1-2 seconds before ...
0
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0answers
39 views

Can pmset's ChargeInhibit be used to prevent battery charging? [duplicate]

I've been using my MacBook with AC power a lot lately and I thought that if I could use pmset to run on AC power whenever available and keep my battery at roughly 50% that would extend the life of my ...
1
vote
1answer
289 views

Does Macbook Air (mid 2013) bypass battery after it's charged?

I have a MBA mid 2013. I was wondering if a MBA is plugged in charge, does it bypass battery after it's fully charged? Because while I am working it's always plugged, I wonder how this will affect ...
0
votes
2answers
161 views

Does a driver exist to step up a PC USB 3.0 port to charge an iPad at 12W?

The iPad Retina requires 12W to charge. It appears the Mac has special non-usb-standard drivers that step up the USB 3.0 port to provide the extra power for charging. My question is: Does a driver ...
0
votes
1answer
501 views

Why does my Mac start up immediately when plugged in, while my iPhone needs to start up?

What causes the difference between my mac an my iPhone, where my Mac can boot and become useful immediately after being plugged in, while my phone needs a couple of minutes before it can even start to ...
1
vote
1answer
392 views

Getting a < 75 Watt charger for a macbook pro due to flight constraints

My MacBook Pro with Retina display (Mid 2012) charger has a rating of 85 Watts. I want to use it on a flight from Sydney to Los Angeles. (24 hours). (Airbus A380-800). You can plug in an AC ...
0
votes
2answers
474 views

MacBook Pro - Only runs while MagSafe charger connected

My 2013 MacBook Pro only runs while the MagSafe power charger is connected. Model Number: A1425 (EMC 2672) When the charger is disconnected system immediately powers off (no shutdown). MagSafe ...
-1
votes
1answer
342 views

Macbook battery problem

I have a MacBook 13" (A1181) running Mac OS X 10.6.8, I have a problem with the battery When its turned off it responds to power button only when charger plugged in. After starting i can remove the ...
1
vote
0answers
486 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 ...
0
votes
1answer
3k views

I accidently overcharged my iPhone 5c and it stopped working. What should I do?

For the first time, I left my iPhone 5c charging all night for about 4 hours. In the morning when I unplugged it, it had turned off when it was on when I left it for charging. I tried to turn it on, ...
0
votes
1answer
211 views

What is the ideal charging behavior for a new Retina MacBook Pro? [duplicate]

I've called Apple Support a bunch of times, but I got conflicting answers. To my knowledge, new technology makes it okay to keep the charger plugged in non-stop, but I want to make sure I am properly ...
0
votes
0answers
1k views

iPod touch 4th generation will not charge, what might be going wrong?

I have a friend who has a fourth generation iPod Touch. Today she told me that they had tried five different chargers and she still cannot get it to charge. What might be causing this and how might we ...
1
vote
1answer
300 views

My iPhone 3GS battery went dead

I bought a new sealed iPhone 3GS from the vodafone store. ( Yes brand new one, it seems that they got some old phones stored of different brands and models. ) The problem is that this iPhone won't ...
4
votes
1answer
528 views

iPad Air Not Charging on Left USB of Retina MBP '15

I am trying to charge my iPad Air via the USB ports on my '15 Retina Macbook Pro. When I plug it into the port on the right side of the device, it charges fine, but when I plug it into the left-side ...
0
votes
1answer
102 views

iPad will not charge

I can transfer data from trough a genuine Apple cable from my iPad to a PC but the same cable will not allow my iPad or iPhone 4s to charge battery using a multi point USB hub connected to a power ...
2
votes
1answer
85 views

Possible to charge iPhone through other means?

I am too cheap to purchase a USB charging connector for my iPhone, so I was wondering if there's a way to create a USB cable at home or use some other USB cable and get the job done safely. For ...
0
votes
1answer
549 views

Effects of Current Fluctuations on Charging

iPhones, iPad, etc, all have their optimal specifications for charging. A power source that does not meet those specification results in a slow charge. However, what happens when the specifications (...
0
votes
1answer
141 views

my iphone5 is shutting down and has no power to turn on what do i do?

I've had my iPhone 5 for a year now but ever since iv had it it always had battery problems, i tried to replace it with a new battery but it would work for a day and the power off. Now when i try to ...
6
votes
3answers
25k views

Hot iPad charger wall adapter

The charger that came with my iPad Air the square adapter that plugs into the socket stays warm even when nothing is connected other than that it works perfectly fine. I was wondering if this ...
1
vote
1answer
1k views

Can an underpowered charger actually help my Macbook battery's longevity?

I have just upgraded from a Macbook Air (Late 2012) to a Macbook Retina (Late 2013). Now I have a 45W and a 60W charger, both MagSafe 2. Using iStat Menus and Battery Health for monitoring voltages ...
0
votes
0answers
5k views

How many times can a iPhone 5/iPad 2 be charged with Rechargeable Tyre Inflator

I am thinking about buying a Rechargeable Tyre Inflator with built in USB. Many of the devices available state the USB is compatible for Smart phone charging. But none specify what mAH total you can ...