Concerning hardware issue with recharging a battery

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2
votes
2answers
700 views

Macbook Pro Mid-2010 15" is not charging with dim green light

I have spilled a bit of water on the keyboard of my Macbook Pro this Monday. It continued working just fine. So, I took it home, and 2h later, when I pluged the charger in, the light turned into a ...
2
votes
3answers
3k views

Out of warranty MBP ,Burned Magsafe port and frayed charger cable - repair option and cost?

I have a MBP 15" 2011 model and has is the burned magsafe port (leftmost pin melted) which i noticed today. The connector gets too hot sometimes ( but remains ok when I charge in sleep mode). ...
-2
votes
2answers
166 views

precaution or steps to take before booting up 4 months unused macbook air

My mother was ill for quite some-time, and she didn't use her MacBook Air for almost 4 months now. Before booting it up again, and start making use, please let me know if there are some necessary ...
2
votes
0answers
243 views

Why doesn't iTunes backup every time I charge my iPhone?

I read years ago when they introduced wireless syncing with iTunes, that they would backup my phone every time I would charge my phone wirelessly. I waited years and to this day this still doesn't ...
1
vote
0answers
159 views

How to know if a USB adapter is okay for using with iPhone?

I am going abroad for a week, and I'm taking my ASUS tablet with me, whose charger is a USB adapter. How can I find out whether or not the adapter is okay for charging my iPhone without trial and ...
0
votes
0answers
247 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
461 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
550 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
153 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
357 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
224 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 ...
8
votes
3answers
1k 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
134 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
2answers
750 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, ...
1
vote
1answer
81 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
2k 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
111 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 ...
1
vote
1answer
9k 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
2k 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
2answers
905 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
28 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
8k 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
2k 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 ...
2
votes
1answer
529 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
4k 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
2answers
2k views

iPhone 5 not charging via USB from PC [duplicate]

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
87 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 ...
4
votes
1answer
395 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 / ...
1
vote
1answer
433 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?
2
votes
0answers
700 views

can i charge something via usb when computer is off? [duplicate]

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
3k 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 ...
2
votes
2answers
8k 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
193 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.
2
votes
2answers
4k 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
365 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
12k 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
228 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
316 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, ...
4
votes
5answers
9k 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
84 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
6k 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
187 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
5k 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
2k 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
773 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
72 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
335 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
245 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
5answers
9k 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
821 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 ...