Concerning hardware issue with recharging a battery
0
votes
0answers
14 views
Macbook randomly shuts down without on charge (even at ~90% full)
I'm having a real issue with my Macbook (white, late 2009 version, running Lion OS X). It was about since 2 weeks ago or so, my Macbook would just randomly shut down, I lost a couple unsaved files ...
1
vote
1answer
38 views
Is there a way to have my iPhone 5 report current charging rate? [duplicate]
For example, so I can test different USB ports on my computer and powered hubs to see if one charges my iPhone faster than another.
0
votes
1answer
59 views
MacBook Pro only Charging when Turned Off
My MacBook Pro (2012, Retina) will suddenly not charge when it's turned on.
If I shut it down, it charges normally (orange led, goes green when full).
After I turn it on it keeps the green led on ...
0
votes
1answer
46 views
Sync iPhone Without Charging
Title says it all. Is there a way to sync an iPhone with iTunes (tethered) without charging it concurrently?
An answer below indicated that this was possible by either modifying or purchasing a ...
1
vote
1answer
45 views
Charging my US iPad in Israel
I brought my iPad charging wire to Israel along with the necessary plug adapter. I have not been able to charge my iPad. I also tried to charge it off of my wife's MacBook. No go. I called the ...
2
votes
1answer
65 views
Any danger to letting a MacBook stay on the charger long-term? [duplicate]
I came into possession of a 2009 13" MacBook Pro. Most of the time, it will be used as a desktop computer - but there will be instances when I will need the 5 hour battery.
Is there any danger to ...
3
votes
1answer
124 views
How to disable battery charging?
From the pmset man page:
POWER SOURCE ARGUMENTS
-g with a 'batt' or 'ps' argument will show the state of all attached power sources.
[…] Certain Apple battery calibration tools may ...
0
votes
1answer
31 views
Portable phone charger information for iPhone4
How to determine negative and positive power source on phone charger by color code between red or white ?
0
votes
0answers
10 views
Portable phone charger information [duplicate]
How to determine positive from negative power source on phone Charger compatible with iPhone4?
0
votes
2answers
175 views
iPad 2 restarting intermittently and very slow to operate and charge
I have an iPad 2 (Model MC769B/A) running on iOS 6.1.3 (10B329) and over the past few days I have experienced very slow charging times when plugged into the usual source - the main wall socket.
Also, ...
0
votes
0answers
23 views
Can a generic charging cable harm my iPhone? [duplicate]
If I use a generic (unoriginal/no name) iPhone charging cable to charge my iPhone 4S, does it do any harm to the phone? Some people say if you use a generic cable instead of the original cable, it ...
1
vote
1answer
41 views
Charge cycles increase?
This is a bit weird, I've been doing everything to keep the battery health great and that's what i achieved so far. it's going through 99-100%, but the thing is.. those charging cycles thing are ...
6
votes
3answers
310 views
Fundamental Difference Between Charging An iPhone At The Mains & Via USB Cable Linked To An iMac?
If you are working at an iMac and there is also a mains socket close at hand, is there any difference (in any respect) to charging an iPhone via USB cable linked to the Mac or is it more advisable to ...
1
vote
2answers
52 views
I'm in Peru and having battery problems and electric shock issues with my new MacBook Air
I purchased this MacBook Air in late 2012, found that the initial battery life was more than six hours in the US, then came to Peru. Peru runs on 220, and most everywhere that I am, the electricity is ...
0
votes
1answer
622 views
iPhone 4S - sudden drop in battery percentage
I've bought a half-year-old iPhone 4S a couple of weeks ago and I just ran into a really weird issue the third time now: the battery percentage would suddenly drop 30-40-50%. One minute, it's, say, ...
1
vote
0answers
1k views
iPad 4 not charging solution with usb 3.0 dual ports Y adapter
Just recently picked up an iPad 4. Saw that it specifies "not charging" when plugged into the usb port. Saw that it is a common issue due to usb power. I have usb 3.0 ports on my desktop so I tried ...
3
votes
1answer
200 views
Does iPad battery charging utility like Battery Boost Magic pro really make a difference in prolonging iPad's battery life?
Do battery charging utilities such as Battery Boost Magic pro or Kingsoft battery doctor really make a difference in prolonging the life of an iPad battery?
1
vote
0answers
27 views
iPhone 5 Lightning to USB Cable - Is it safe to use replicas? [duplicate]
I need to buy a Lightning to USB cable for my iPhone 5.
In eBay you can find replicas for one third of the price. Do you know if these can ruin your phone? If I use an original power adapter, a ...
2
votes
2answers
2k views
Are non-Apple lightning cables and power transformers safe to use?
I need to buy an Apple 12W USB Power Adapter for my iPhone 5.
In eBay you can find replicas for one third of the price. Do you know if these can ruin your phone? I am more cautious about a third ...
-1
votes
1answer
1k views
Iphone 4 not charging after update to iOS6
Why is my iphone 4 unable to charge immediately after updating to iOS 6? I am using an apple brand cable, I tried it on my computer, and I tried it in multiple wall outlets, no change. The charge is ...
1
vote
1answer
223 views
Looking for car (cigarette lighter receptacle to lightning) charger for iPhone 5
Is there any way to charge an iPhone 5 in a 2005 Cadillac (in the cigarette lighter hole)? Or am I just out of luck with an old car?
I did some searches on google but nothing came up. I also saw ...
1
vote
1answer
625 views
What prevents an iPad or iPod charger from overcharging?
my iPad mini came with this charger and cable. If i leave it charging overnight, what prevents it from overcharging my iPad(is it the charger or the iPad itself)?
I ask because I also own a Dynex ...
0
votes
0answers
1k views
iPhone 5 not charging via USB from PC
I charge my phone using my PC all the time, and it's been only a week that since I bought my iPhone 5. Now I can't charge my phone with my PC.
What could be the problem thats causing my phone to not ...
1
vote
0answers
53 views
Charger works on Computers but not in the car?
I bought a new charging cable for my iPod the other day. I used it to plug my iPod into my laptop and it works just fine. However, I plugged it into the radio transmitter in my car (which is itself ...
0
votes
0answers
168 views
Ipod touch will charge on dock, but not on computer
Recently I got an iPod dock that also charges your iPod while playing. At first it was like my iPod didn't recognize it was hooked up & it wouldn't charge nor play. Then, I was finally able to get ...
3
votes
1answer
183 views
Is it safe to use the 12W iPad 4th gen power adapter for earlier iPads and iPhones?
The older iPads have 10W power adapter (charger), and the iPhones supposed use only 5W chargers.
But the iPad 4th gen, probably due to the larger power consumption, uses a 12W power adapter / ...
0
votes
1answer
221 views
How can I charge and output audio from iPhone 5 in a car?
I want to charge my iPhone 5 and listen to the music using AUX in my car. How can I do this using one cable? I have such a cable for my iPhone 4. Is there any good option for iPhone 5?
1
vote
1answer
389 views
can i charge something via usb when computer is off?
I have one of those little remote control helicopters and it needs to be charged via USB. It takes 45 minutes to charge.
Can this thing charge when the laptop (macbook pro) is off?
Does it need to be ...
1
vote
1answer
2k views
iPhone 4 won't charge with wall charger after iOS 6 update
After updating to iOS 6.0 my iPhone will not charge on the wall charger. My phone will charge in the car and on a stereo dock. My wall charger still works and charges my iPod touch fine. I have ...
0
votes
0answers
26 views
iPhone4 replacement charger works on PC but not on Mac
I bought two replacement charger cables (USB - dock connector) for the iPhone4. I was able to charge with the two of them without problems until recently. I'm now getting an error message saying that ...
2
votes
2answers
3k views
Using iPhone while charging and when charged
Is it OK to use an iPhone 4 that is fully charged while keeping it plugged to wall outlet?
I am worried about stressing battery too much since it is charging and discharging at the same time.
Any ...
1
vote
0answers
176 views
iPhone does not charge with Mac Pro or PC USB ports
Looking at:
After updating to iOS 6, iPhone will not charge from Mac Pro USB ports
I rebooted iPhone few times, changed cables, machines (PC/Mac) etc., but still unable to charge the phone.
1
vote
2answers
1k views
Retina macbook max USB power output
Could someone tell me how much Ampere the retina macbook pro can deliver over usb. I thought that one should be able to charge an ipad with a retina macbook which would mean, that it should be about ...
0
votes
0answers
219 views
iPad wont charge in India
I am not sure why my iPad will not charge in India which I got in US. Did the power fluctuations kill the charging part or do I need to charge it in some other way? How do I test or find out the ...
5
votes
2answers
4k views
How can I diagnose an iPad that seems super slow to recharge?
I've had my iPad 1 for almost a year now. For the past few months it has been charging EXTREMELY slowly.
Last night I plugged it in with 54% remaining on the battery life. This morning it is only ...
0
votes
1answer
144 views
Where can I buy a replacement MagSafe female chip for my MacBook Pro?
I am trying to find a replacement charging chip for my MacBook pro 5.5 (mid 2009). I have looked on eBay and can't find them. Does anyone know of a site that sells parts like this?
Thank you.
0
votes
2answers
142 views
How can I stop my iPod connecting to my computer when I plug it in?
Seems like a strange question, but here is the situation: when I arrive at work, I want to recharge my iPod. The easiest way to do that is via the USB connection on my computer.
But if I plug it in, ...
2
votes
3answers
3k views
Which Macbook Pro USB port should I use to charge an iPad?
I heard that one of the two USB ports provides more power, decreasing the charging time.
Still, I forgot which one is the powerful one. I would be nice to give a hint that's easy to rememeber ;)
It ...
0
votes
1answer
70 views
iPhone 3G cannot be charged while 3GS is charged
I have a car USB adapter and can charge my 3GS with it. However using the same cable and adapter my friend's 3G cannot be charged.
First thing that comes to my mind is a problem with the 3G unit ...
2
votes
2answers
3k views
Is it normal that iPhone 4S touch screen is not working correctly when charging
When I use my iPhone 4S's touch screen while charging, sometime it is not working correctly. For example; if I touch something in the middle screen, it acts like I touch some bottom in the border.
Is ...
0
votes
1answer
136 views
Creating charging switch on iPhone charger
I am attempting to create a switch on my iPhone charging wire so that I can use my device to test iOS applications I'm creating on my Mac without actually charging the device. When I'm working on an ...
5
votes
3answers
2k views
Charge from USB on computer or wall socket?
Is it OK if I keep charging my iPad and iPhone using the Mac USB ports? Or is it better to charge them with the supplied chargers?
I understand that charging slowly is better (though I'm not sure ...
3
votes
2answers
1k views
Battery cycles for rMBP and recharges?
So I got my first Apple laptop, a Retina MacBook Pro.
I heard that its best to let the laptop discharge until 0% in order to restart the battery cycle or something like that. However I know that ...
1
vote
1answer
420 views
Charging my Macbook with power inverter
I bought a MotoMaster Eliminator Mobile Power Outlet Digital Power Inverter rated for 400 W.
It has thoses specs:
AC output voltage: 115 V
Max Continuous AC power: 320 W
AC Output frequency: ...
0
votes
1answer
65 views
MBP15: 45W works only right after unplugging 85W
My MBP15 (8,2, Late 2012) doesn't normally charge or draw power from a 45W adapter (from a 2008 MBA), with one exception:
First, plug in the 85W power adapter;
Second, switch the adapters quickly.
...
2
votes
1answer
228 views
How different amperage could affect a rechargeable device?
I have an iPad with it's own charger that has 2 components: a USB connection cable and an electrical adapter that outputs 5.1 V and 2.1 A.
Also I have a car charging device that is suitable for ...
0
votes
3answers
193 views
charging in power off
I am using ipad 1 and I have some charging problem in it so,I want to ask that is there any problem if I charge my ipad in power off mode.
If yes yes what can be the problems that can be seen in my ...
0
votes
4answers
4k views
Troubleshooting a MacBook Pro that is not charging from power
My MacBook Pro isn't charging, the light on the charger isn't lit, and the battery image indicates it is not charging .
The computer is approximately a year old. I've tried multiple outlets, so I ...
1
vote
1answer
608 views
4th gen shuffle battery, no lights or charge
My 4th gen ipod has not been used for some time, I have a new usb to jack cable for charging it.
The shuffle shows no signs of life, no lights, when I plug it into the wall or computer(different ...
2
votes
2answers
291 views
MacBook Pro: OS battery indicator doesn't match hardware battery indicator
I recently upgraded my MBP to Lion, and now the battery indicator in the menubar at the top of the screen constantly shows "(Charged)", even when the indicator on the side shows almost empty. Any ...
