Questions tagged [charge]

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1answer
67 views

Is it safe to charge my iPhone using my lightning cable and someone else’s adapter at the Airport?

The airport has USB ports that say they are for charging and I don’t know how to tell if this situation is safe. Is it safe to charge my iPhone by using USB connections that are behind a wall plate ...
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1answer
46 views

How long does it take for an initial charge with MBP?

We unboxed a new 2017 MBP three hours ago. I wasn't expecting it to start by opening the lid. I then went through all the stuff you have to do when you startup (icloud, apple id, etc) It was at 34%. ...
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0answers
40 views

MBP on battery suddenly powers off when charge reaches 12%

I recently installed a new battery in my early 2013 MBP 15" Retina. I put it through the recommended two complete charge/discharge cycles, and coconutBattery reports that the design capacity is 8460 ...
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1answer
9k views

What is the maximum wattage an iPhone X will support for wireless charging?

The existing chargers on the market are all either 5W or 7.5W for their charging capacity. While higher capacity chargers dont exist on the market, what is the theoretical maximum that an iPhone X ...
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1answer
12k views

Macbook Pro won't start after restart (red charger icon)

So I just installed Flash and restarted my Mac, and now it won't start. It was working perfectly before that and I didn't drop it or anything. The power cable works (tried it on another Mac) so it's ...
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1answer
722 views

My MacBook Pro (2010) doesn't charge

My MacBook Pro (2010) doesn't want to charge when I plug my MagSafe into it. This is what I get: I already looked at Apple's support page, but it still doesn't work at all. How can I make my computer ...
1
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1answer
68 views

iPhone 6s uncharged at 30% battery

So I have an iPhone 6s for about a year now, and a week ago or so it uncharged (died) at 30% about. Then today it uncharged again at 30%, I tried turning it on right after but it showed me the black ...
10
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2answers
3k views

iOS 10 remember to “not trust this computer”

I have a 2015 MBP for work, which I connect my iPhone (6 plus, iOS 10) to charge, and I don't want to trust the computer, ever. However, I must click "Don't Trust" every single time I connect for ...
116
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3answers
71k views

What happens if you plug more than one charger in the new MacBook Pro (2016)?

Apple's controversial decision to convert all the ports on their 2016 MacBook Pro lineup to USB-C ports contributes to blur the difference between ports that supply power (such as a power adapters) ...
2
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2answers
8k views

iPhone takes a long time to turn on while charging

When my iPhone 5s dies, it usually turns on after 5-7 minutes of charging. Now, it sometimes takes 45 mins to over an hour to turn on while it's plugged in. It also dies very easily. It can be at 100%...
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1answer
173 views

Power for my US laptop in Europe

I just bought a MacBook Pro in USA. I will get it home in Greece (220V, 50Hz). What is the usual thing to do, without having to buy a whole new charger? Maybe I can find only the cable somewhere? ...
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2answers
5k views

At how many battery cycles should I consider replacing my battery?

My battery has become quite a pain in the neck recently, It's not lasting much more than about 2 or 3 hours and that's usually just using basic programs like chrome or pages etc. It's difficult for me ...
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2answers
216 views

What are Macbook Charge Cycles?

Okay so i dont know what a cycle is. Can you tell me that if I leave my macbook on charge all night, so at our place there our power outages so when my mac will start charging after the power comes ...
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2answers
16k views

Is it safe to charge a MacBook Air after the green LED shows?

Is it safe to charge my macbook after the green light shows? Would it not overcharge the battery, or reduce its lifespan? I've heard that doing this is completely safe and it increases the cycles or ...
4
votes
2answers
658 views

Is it safe to discharge my body's static electricity onto my MacBook Pro?

Often in the winter (low humidity), getting up from and sitting down onto the seat at my desk, or taking off a jacket, and such will build up a static electric charge on my body. Sometimes I don't ...
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2answers
122 views

How do I charge my iPhone 6 without it being on the whole time?

I've tried shutting off my iPhone 6 AFTER plugging it in to charge, and it will turn back on. How can I make sure it stays off while charging so that it charges more quickly?
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1answer
2k views

My iPad isn't charging

My Apple iPad went dead over night and in the morning I plugged it in. It shows a little battery icon with three red bars so I plugged it in and I thought it would charge for about 4 hours I came back ...
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1answer
3k views

iPad won't turn on after being drained [duplicate]

What if my iPad didn't turn on after battery drain? I did all the steps but it still didn't work. Is it already damaged or can I recover it on an Apple Store?
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0answers
123 views

iPhone 5 won't charge in certain geographic location

My iPhone 5 charges fine in NYC - albeit with weakening battery life. I went to Maine a couple weeks ago and it would not charge. Used the same charging hardware as in NYC which also worked fine ...
72
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8answers
227k views

Is charging my iPhone all night harmful?

I normally charge my iPhone all night to get 100% power. Does this harm my phone's battery? Update [Oct 1, 2017]: Thanks for all your great answers. I noticed there is a related video which addressed ...
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1answer
12k views

Can I charge my iphone from my macbook pro (late 2013) without turning the laptop on?

I am trying to charge my phone using my laptop but that requires the laptop to be on. On my Lenovo, I can do that without turning the laptop on. Any suggestions are appreciated. Thanks.
1
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1answer
144 views

I Have A 2013 MacBook Air that refuses to charge. I continue to use it once it says that it has no charge left. What do I do?

I received this brand new laptop yesterday and today the charger isn't responding to being plugged in. (The lights aren't flashing as they should be). The battery icon on the upper right corner has a ...
2
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1answer
419 views

Prevent iPhone “Trust this computer” on work PC

I would like to charge my iPhone using a USB plug on my Windows PC at work. However, any time I begin charging with the phone unlocked, it prompts me: Trust This Computer Your settings and data ...
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1answer
2k views

Are my battery cycle counts increasing when MBP is on and plugged in?

I often leave my Macbook Pro (13" - Late 2011) plugged in while working on it with the charge at 100%. This post suggests that when the battery is at 100% and the laptop is plugged in, the battery ...
1
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2answers
123 views

iPhone 4 Stopped Charging

My iPhone 4 has stopped being able to be charged. I have tried two different cords and have tried plugging it into my computer, but nothing works. There is not an Apple Store close. What are some ...
5
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4answers
22k views

Is there a way to see the amp levels while charging my iPhone?

I'm told that different amp levels charge iDevices in different times. Sometimes I plug into my laptop, sometimes into a car converter, and other times into the side of a flatscreen TV for charge. Is ...
2
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2answers
6k views

Prevent iPhone from charging when plugged into a battery powered MacBook Air [duplicate]

I would like to prevent my iPhone draining power from my MacBook Air while the laptop is not plugged in and relying on battery power. How would I do this? Note, there doesn't seem to be any "unpowered ...
4
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1answer
12k 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?
3
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1answer
2k 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?
17
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2answers
28k 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.
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5answers
6k 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?
11
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3answers
2k 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 ...
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2answers
173 views

iPhone 4s turns itself off

It started today and happened twice, my iPhone turns itself off even battery has 15%-17% charge, I can't open it, empty battery sign appears when I plug it in to charge, it begins to charge from 15%-...
0
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1answer
344 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
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1answer
206 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 ...
3
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3answers
27k 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 ...
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1answer
1k 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
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1answer
115 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
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1answer
525 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 ...
3
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6answers
92k 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
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1answer
805 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?
119
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9answers
180k views

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

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. Other people say you should drain it once a month or ...
4
votes
2answers
2k 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? ...