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2
votes
1answer
45 views

Can a thunderbolt cable transmit power?

Is it possible for thunderbolt to transmit power to or from a Macbook Pro. Perhaps to power/charge it or power/charge an external device?
2
votes
1answer
41 views

Why am I told to “Connect to a power source” for best results when installing/updating software?

I've experienced this when installing or updating a number of applications, most recently Logic Pro X. What's the reasoning behind this?
2
votes
1answer
162 views

How to know the duration of battery usage in one session?

I would like to know how long was my battery running since it's last charge. There is a built-in time-remaining counter but I would like a time-used counter.
0
votes
4answers
502 views

Unplugging iPad/iPhone Charger: Which end to unplug first?

After charging an iPad or iPhone, which end do you unplug first: the one that's connected in the device or the charger end?
7
votes
3answers
127 views

Event based on battery charge level

I haven't found anything yet so I was hoping maybe someone here had an idea. I want to kick off an even based on battery on an Apple laptop reaching a certain charge level, or when the battery is ...
0
votes
1answer
78 views

Iphone 4s turns it self off

it started today and happened twice, my iPhone turns it self off even battery has %15-17 charge, i cant open it, empty battery sign appears when i plug it to charge, it begins to charge from %15-17, i ...
0
votes
1answer
276 views

IPhone 5 not charging when idling

my phone behavior is very strange. If I plug the charger in and do not use the phone, it not charging. It only can be charged if I using it. I've reset but it's still the same. Do you have any idea ...
0
votes
1answer
103 views

iPod Model #1238 will not charge

I have an iPod Model #A1238 in which the battery is low. I tried to connect the power adapter cable which was provided to try to charge it but no luck. I thought it was the power cable so I bought a ...
2
votes
4answers
8k views

Will an iPhone/iPod Touch charge faster when connected to USB 3.0?

I'm considering charging a bunch of my iPod Touches with a USB 3.0 PCI add-in card. In my research, I've found that USB provides 5 volts per device. The differences come in charging speed. The ...
1
vote
1answer
901 views

MacBook Air charge plug light not working

Strangely today the orange/green light isn't working when charging my MacBook Air. Why might this be please?
4
votes
1answer
82 views

Energy saver: do the battery settings apply during charging?

I have my Macbook pro 17 (early 2011, OSX 10.6.8) set to turn off the display at 30 minutes on AC, and 10 minutes on battery. I've noticed recently that if the battery is charging (the little battery ...
1
vote
1answer
280 views

iPod Dock Charge Adapter

I have a nice stereo system that can dock and charge an iPod Nano 2nd generation. I also have an iPod Touch 4 and a 6th gen Nano (or something). The old docks charge using the firewire pin out and ...
2
votes
6answers
36k views

iPhone 4 will charge in wall, but won't sync or charge via USB

I have an iPhone 4 that is showing its age. It will charge when plugged into the wall charger. However, when I plug the same cable into a USB port on my computer it will not charge or be recognized ...
1
vote
1answer
272 views

Do I get same charging speed when I use a MacBook's usb port to charge my iPad?

I like to use my MacBook Pro's usb port to charge my iPad, but do I get same charging speed as compared to using the included power adapter?
35
votes
6answers
38k views

Should I disconnect my MacBook Pro's power cord when the battery is fully charged?

Title says all. My friend told me that I need to disconnect the power cord when the battery is fully charged. Otherwise, I will shorten the life of the battery. Is that true? I am going to use my ...
3
votes
2answers
824 views

iPhone/iPad battery charging/discharging cycle

Apple recommends at least one charge cycle (charge to 100% and then running it down completely) per month. Then, is it OK to charge iPad/iPhone all the time as long as I have charge cycle per month? ...