Questions tagged [charging]

Concerning hardware issue with recharging a battery

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2
votes
1answer
738 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 ?
1
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1answer
6k 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
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2answers
7k 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 vary ...
1
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1answer
391 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 ...
1
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1answer
543 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 ...
10
votes
6answers
9k 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
1answer
146 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
2k 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
3answers
1k 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
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4answers
10k 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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1answer
103 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
504 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
90 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
647 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
272 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
804 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
655 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 ...
1
vote
2answers
908 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 LED ...
-1
votes
1answer
431 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 ...
0
votes
1answer
6k 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
286 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 ...
1
vote
1answer
489 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 ...
5
votes
1answer
2k 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
571 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
123 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
2answers
3k 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
190 views

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

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
36k 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 ...
2
votes
1answer
2k 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 ...
3
votes
1answer
4k views

Why does the iMac charge my iPhone faster than the wall charger?

I've noticed that my iMac at work (21.5", Mid 2011) charges my iPhone 5 about 2-3x faster than the included wall charger. How does it do that?
1
vote
1answer
499 views

using Apple products abroad: just replace the plug?

For many Apple products, e.g. macbook air, or iphone, the power supply is the same for different countries, and it accepts a power range of 100-240V and 50-60Hz (which I think is a great idea, since ...
7
votes
3answers
2k views

Earthed (Grounded) Stubby Plug for MacBook AC Adapter

Much hay has been made of the apparent grounding issue while using the stubby plug on a MacBook AC adapter. While I understand it is completely safe to have a bit of grounding flowing through the ...
1
vote
1answer
861 views

Laptop charger plug differences

My Macbook Pro charger (purchased in the US) comes with two different plug attachments, one that fits directly into the body of the charger and one with an extension cord. For some reason, the short ...
3
votes
1answer
590 views

MacBook Pro Charging Issues

Last night I plugged in my MacBook Pro, and I noticed the light on the charger was a very faint green, hardly visible in bright light. Today I opened my Mac and noticed it stated 'batteries not ...
1
vote
1answer
763 views

Macbook Pro (Mid 2010) replacement power supply issue

I have a multi macbook/macbook pro household, made up of a 2006 mb, mid 2008 mbp, and mid2010 mbp models. I recently purchased a new 85 watt power supply and immediately noticed that it would not ...
9
votes
6answers
69k views

iPhone 5 does not work while charging

My iPhone 5 does not respond to swipes and gestures on the touch screen, while charging. The buttons work fine. What is this issue, I have on 2 iPhone 5 devices - so not only one. Rebooting does not ...
8
votes
5answers
65k views

Is there an iOS app that measures/reports the battery charging current?

I suspect my fake lightening cable charge my iPhone 5 much slower than my original lightening cable on the same charger. Is there an app that will display the current battery draw/charging current and ...
1
vote
0answers
5k views

iPhone does not react to charger unless turned off

I have my iPhone 5S for less than a week. I have charged it fully only once. Cable, charger and phone are new and from the box. When I connect it to the USB charger it does not display the lighting ...
0
votes
3answers
526 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 ...
1
vote
1answer
1k 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 ...
0
votes
2answers
9k views

iPhone 5 overheating and battery drains very quickly

My iPhone is always heated up even if I'm not using it. When I charge it, it heats up even more and battery drains very quickly. Its battery is currently fully drained for more than half an hour and ...
0
votes
0answers
1k 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
283 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 ...
4
votes
6answers
10k views

My MagSafe to MagSafe 2 converter becomes extremely hot. Why?

Out of nothing, my MagSafe to MagSafe2 converter became extremely hot while charging. So hot, I could not even touch it. What could cause it? I've been using it so I can leave multiple old 85W ...
1
vote
2answers
4k 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 ...
5
votes
1answer
185 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
103 views

Droid base and iPhone cable for charging?

I just got an iPhone 5c. I had a Droid. I have several Droid charging cables. The Lightening charging cable I got with my iPhone detaches on the other end to a USB port. The Droid charging "bases"/...
3
votes
2answers
52k views

Are L-shaped and T-shaped Magsafe 1 interchangeable? [duplicate]

I want to buy replacement Magsafe 1 cable for my MBP 17" Late 2011, and they are available in two options — L-shaped and T-shaped. My computer was shipped with L-shaped connector, however I want to ...
2
votes
4answers
11k views

iPhone Not Charging When Plugged In?

My device is simply not charging while connected to my Windows 8 system. I've heard of my friends having this issue too. There is no connection issue, my computer recognizes it is plugged in, but I ...
3
votes
3answers
7k views

Prevent iOS device from sleeping if plugged to charger

This is available in Developer options in Android's system Settings. I'm trying to look for an equivalent in iOS. This is great if I want the screen to be always visible for screen updates/...