Concerning hardware issue with recharging a battery

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5
votes
4answers
30k views

How many amps should an iPhone 5s car charger output?

When looking on Amazon for a car charger I noticed that different items have different amp values, 2.1 and 3.1 being the most frequent. What is the recommended value? Does it even matter? Is there ...
0
votes
2answers
65 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
2k 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
3answers
59 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 ...
0
votes
2answers
35 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
53 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
2answers
1k 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
3answers
2k 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
1answer
21 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 ...
0
votes
2answers
927 views

Will a 45 W MagSafe Charger work for MacBook model A1181 (2007)?

Is a 45 W MagSafe Charger going to work for MacBook model A1181 (2007)? ...or I need 60 or 85 W charger? Does 45 W MagSafe only work for MacBook Air or also for other Apple Macbooks?
-1
votes
1answer
34 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
42 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
51 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 ...
0
votes
0answers
166 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 ...
18
votes
7answers
54k views

If I leave my chargers plugged into the wall socket at all times, do they consume energy?

This is something I always wondered about: when I leave my charger plugged on the wall socket but not charging anything, is it still consuming energy? Some notebook chargers have a led that is ...
1
vote
1answer
19k views

iPhone 4S - sudden drop in battery percentage

I have an iPhone 4S 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, 69%, the next minute it's 25%. If I put it ...
1
vote
1answer
161 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
44 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
2answers
130 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". ...
0
votes
1answer
62 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
2answers
88 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 ...
17
votes
11answers
74k views

Can I use my iPhone charger for charging other USB based devices?

Is it OK to use my iPhone charger for charging other USB powered devices like the Kindle or a digital camera (with a rechargeable battery)? Can it cause any damage to the charger or to the device ...
22
votes
4answers
34k views

Is it OK to charge my iPhone with my iPad charger?

I have an iPhone 4 and an iPad. Since the iPad really charges best off the wall charger I keep it plugged in, but I usually just charge the iPhone off the computer. Although frequently if the iPad ...
0
votes
0answers
26 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
84 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
80 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 ...
5
votes
3answers
9k 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
4answers
2k 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 ...
1
vote
1answer
41 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 ...
0
votes
0answers
22 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 ...
0
votes
0answers
39 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 ...
0
votes
1answer
156 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 ...
2
votes
1answer
322 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
200 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 ...
5
votes
2answers
116 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 ...
0
votes
0answers
117 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 ...
1
vote
2answers
206 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
44 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
386 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
0answers
85 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
26 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 ...
-6
votes
1answer
13k views

IPAD MINI WONT TURN ON!!! even after charging and it doesnt show a battery symbol [closed]

Ive got an ipad mini, and it is completely dead. I mean dead as it doesnt come on at all even if i charge it over a day. It doesnt even show a battery symbol when you turn it on. ive tried all the ...
2
votes
2answers
1k views

iPhone Dead, No Charger

Someone dropped their iPhone near my door. The neighbor picked it up, phoned me, and told me it has my number in it so it's probably someone I know. But now, the phone is dead, and I don't have an ...
0
votes
1answer
29 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" ...
1
vote
1answer
7k views

How do you turn on a iphone 4 when your power button doesn't work and your phone wont charge?

This is the second time my phone turns off on full battery and I cant turn it back on last time i waited two days i guess it drained the battery and all but this time my phone was on 30 % I've called ...
0
votes
0answers
386 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
56 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
100 views

Estimating battery life remaining while charging in OS X

Retina Macbook Pro's battery life is amazing, and it is handy having an accurate estimate of how much longer it will last on the remaining charge, in hours and minutes. While charging however, it ...
0
votes
0answers
201 views

iPhone 4S on iOS 8 slow wake response

When the iPhone is charging, the response is quick. When it is not charging, sometimes the response lags. The lag is like this when not charging: Presses home/power button. Delays 1-2 seconds before ...
3
votes
2answers
730 views

Can I charge my Samsung Omnia W with MacBook Pro USB port?

Currently, I am using a Samsung Omnia W and mostly I am using my MacBook Pro's USB port for charging it. Is it fine for charging the battery in the mobile phone? Sometimes, I have received a 'high ...