Questions tagged [charger]

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122
votes
3answers
75k 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) ...
6
votes
5answers
19k views

Are non-Apple iPhone chargers safe?

I discovered today that there are a lot of non-Apple low-cost iPhone (and iPad) chargers. The cost is very low, so I am concerned about the quality of such chargers. Are these alternative chargers ...
1
vote
1answer
3k views

Danger of damaging 13" macbook pro by charging it with 85w charger? [duplicate]

We've got a range of laptops in our office all macbook pros some of which are 13" and some of which are 15". The 15" laptops came with 85w chargers, and the 13" came with 60w chargers. I want to ...
27
votes
5answers
67k views

USB-C to MagSafe 2 Adapter

I have a 2015 MacBook Pro with a MagSafe 2 charging cable. My wife has a new MacBook Pro from 2016 with USB-C. I was wondering whether I could technically (in the matter of electronic feasability) use ...
3
votes
8answers
25k views

Can a 3rd party charger damage my macbook pro?

I forgot my macbook pro charger at a friends place and I won't have it for a week. I saw that there are 3rd party chargers being sold for half the price of official chargers. Can 3rd party chargers ...
6
votes
4answers
57k views

How much mA does an iPad need to be charged?

I want to buy an iPad charger for in my car. I have one now for my iPhone, but he won't charge my iPad. I know batteries use mAH to denote capacity, so are chargers rated by mAH or some other measure? ...
2
votes
5answers
10k views

Early 2015 MacBook Pro battery not charging

My MacBook Pro battery is not charging for days. It only stops at 8% (not increase or decrease) when I plug in. In addition, the light at the end of charger does not turn on. What is the problem of ...
13
votes
2answers
100k views

Why does my iPhone turn on when I plug it in to charge?

If my iPhone 4 is turned off and I plug it in to charge, it automatically turns itself on again. Anyone know why this happens? It appears to happen with all three iPhones in the house (a 3G, and 2 x ...
4
votes
1answer
37k views

Can I use one charger for all MacBooks from years 2008 to 2013?

Can I use one charger for all MacBooks from years 2008 to 2013? ... or did Apple change the charger in the last 5-6 years? A friend of mine has a Macbook from 2007 or 2008 , she can lend it to me but ...
4
votes
1answer
1k 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 / charger....
0
votes
2answers
7k 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 vary ...
7
votes
3answers
22k views

My MacBook Air sometimes doesn't charge when the charger is plugged in

Sometimes when I connect my MacBook Air to the charger, the charge light on the MagSafe connector does not come on (and System Information says the power is not connected and the battery is not ...
4
votes
3answers
3k views

Will the “cracked” wire of a MacBook charger eletrocute me

The rubber wrap around the charger's wire is cracked, I can see the little wires inside. Will it electrocute me if I accidentally touch those little wires inside the rubber wrap?
1
vote
2answers
2k views

MacBook 2007 charger

I have a MacBook I bought in 2007 and the charger recently died on me. (I'm assuming the computer itself is still working). I did some research and ordered from Amazon a Magsafe1 60W charger, but ...
1
vote
1answer
837 views

Other than speed, is there a reason that a 10W iPad charger shouldn't charge a new MacBook Pro 2016?

Are there any reasons not to use a 10w ipad charger with a USB->USB-C cable to charge a new MacBook Pro 2016? Have the one charger that came with MacBook but would like to be able to plug in at office,...
0
votes
1answer
81 views

Recommended charger for iPhone 5?

I can see on the Apple store that the standard charger is a 12W charger. Since it "should" output 5V, I can conclude it outputs 2.4A (12W/5V=2.4A). Considering the above hypothesis correct, could ...