Concerning hardware issue with recharging a battery

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0
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1answer
28 views

Calculating battery capacity (in mAh not percentage) without removing battery

Phone batteries wear out over time, having less and less capacity to store energy. The iPhone keeps a counter of battery cycles or charges, but this does not speak to the issue of battery capacity. ...
0
votes
1answer
24 views

Macbook Pro not charging

My 2009 Macbook pro is not charging. I recently bought a new power adapter and when I plug it in the computer starts up fine although the date is set back to Jan 1 2001. When I click on the battery ...
0
votes
0answers
16 views

Charger Help what do i do?

My brother just bought this iPhone 4 (black) online from eBay and for a month it was perfectly fine. Then he gave it to me and on my third day with it, it wouldn't charge when I woke up. The phone is ...
0
votes
0answers
15 views

Lenovo B50 touch USB port won't connect to iPhone

Ever since I bought the laptop in mid-February, it won't connect to my iPhone 4. I've tried all three ports with three different cords and they won't connect (except for the last one made by ...
-3
votes
0answers
17 views

How do I maintain battery count cycles

I own a MacBook Pro early 2015 model since last month and my count cycles are 26 and battery health is 98.x%. I am a bit worried because I saw a video on youtube which showed that the guy was having ...
1
vote
1answer
10 views

Can I use a Early 2011 MacBook Pro 13“ charger with my Late 2013 MacBook Pro 13” with the MagSafe Adapter?

I bought a Early 2011 MacBook Pro 13" but eventually upgraded to a newer Retina Late 2013 13" model. I'd like to get another charger, but I'm curious if I could use the old charger that came with ...
0
votes
1answer
21 views

iPad plugged to charger turns off due to low battery

My iPad is connected to charger yet battery level decreases (not as fast as plugged off but still). Is it a fault that can be directed to Apple Support for warranty or normal behaviour? I though that ...
0
votes
1answer
27 views

Iphone 5 error, what can i do?

Last night my phone just turned off even though it had 53% charge. it would only turn back on if I plugged the charger in, and after being on for 40 seconds or so the phone turns off again, the screen ...
0
votes
1answer
26 views

Power adapter green light blinking on - non genuine adapter

I recently acquired a new power adapter 85W for my macbook pro retina late 2013. I made sure the specifications matched the official Apple adapter and in fact I have not noticed any performance ...
0
votes
0answers
28 views

Can I replace the Macbook wall wart with any appropriately spec'd DC source? [migrated]

The inefficiency of doing a 12V -> 110V -> 20V conversion to charge my Macbook from a 12V battery is depressing, so I'm considering severing a charger connector (the part with the charging light) and ...
4
votes
3answers
477 views

Not able to charge iPhone 5

I have already tried more than 5 chargers but still my iPhone 5 is not getting charged. If I buy a new charger then it works fine for a week. Why is this occurring and how can I fix it?
2
votes
4answers
50 views

No Battery Available

I have a MacBook Pro 15", early 2011. Earlier this week, I brought it home and plugged it in, and there was an X through the battery. Did an SMC reset, and it started charging again. The next day it ...
1
vote
1answer
135 views

Why isn't my iPhone 4S charging (apparently) only in some places?

I charge the phone at home using the Apple wall adapter that came with the phone and an Amazon basics 30-pin-to-USB cable. I have been doing so for over a year (i.e. since I purchased the cable). I ...
0
votes
2answers
54 views

iPhone LED / Flash light on charging?

I just recently bought an iphone this year, and need to know if it has any led flash light for letting my know that it's charging? I have iPhone 5c, and it's got this setting for light for call and ...
1
vote
0answers
41 views

My Macbook Pro says I'm connected to a power source even when unplugged

I have a Macbook Pro mid-2010 (Macbook 7,1) that is acting a bit weird. The battery status always says I'm connected to a power source even when the charger is unplugged. The battery still discharges, ...
0
votes
0answers
41 views

Iphone 4s charging problem…?

My IPhone 4s recently decided to stop charging for some reason. If I put the charger into my iPhone, it doesn't respond at all, doesn't charge or give any signal its charging. The only thing the ...
2
votes
2answers
113 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
votes
2answers
91 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 ...
0
votes
0answers
47 views

1.7 GHz Intel Core i5 10.7 Macbook Air Water Damage… still works… Battery issue

While on a flight in June 2014, the guy next to me put his drink in the gap between the tray and his cup spilled liquid below including on my macbook air which was in the pouch. Unsure of whether ...
2
votes
0answers
239 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
29 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
41 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 ...
1
vote
0answers
118 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
300 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
vote
3answers
72 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
vote
1answer
42 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
vote
1answer
146 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
119 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
50 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
605 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
47 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
166 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
429 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
187 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 ...
0
votes
0answers
40 views

Is it possible to charge the iPad and connect Lighting external accessory?

I want to connect to a iPad Air with Lighting cable charger to an external device. This device uses the Lighting port and is charged through that. The device has another entry for charging purposes. ...
1
vote
1answer
126 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
vote
0answers
144 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 ...
0
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0answers
23 views

Apple charging system

Would it be possible to create a device that can potentially suck the charge from one iPhone 5/6 (lighting connector) and charge another with it? Does the iPhone give out any voltage from the lighting ...
1
vote
1answer
51 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
0answers
391 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
58 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
694 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
238 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
371 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
votes
0answers
150 views

iPad Mini won't charge or even show whether it's charging or not on the screen

Recently, my iPad Mini has had problems charging. I would have to plug and unplug the iPad several times before it starts charging. Today, the battery ran out and I had to charge it again. But, it ...
0
votes
0answers
126 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
0answers
31 views

Replacement Battery for iPod Video Works temporarily

I have an iPod video that needed a replacement battery due to it not holding a charge and only working while the iPod was plugged into an outlet or computer. After the first replacement the iPod ...
0
votes
1answer
38 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
0answers
476 views

MacBook Air battery at 100% but shuts off when unplugged

I've been having a bit of a nightmare with my MacBook Air battery this last few months. This is my final shot at trying to solve the issue before I resign myself to needing a new machine. Machine ...
0
votes
2answers
77 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, ...