Ask Different Stack Exchange
Ask Different Stack Exchange

Questions tagged [charger]

176 questions
167
votes
3 answers

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) and ports that can power external devices (such as…
MicroMachine
  • 3,491
  • 12
  • 41
  • 75
38
votes
5 answers

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 her charging cable on my MacBook and vice versa…
LinusGeffarth
  • 911
  • 6
  • 16
  • 27
17
votes
3 answers

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 iPhone 4). All the chargers are the chargers…
Stu Wilson
  • 6,596
  • 5
  • 24
  • 54
17
votes
3 answers

What are the minimum requirements to charge the 2016 MacBook Pros?

As the MacBook Pro 2016 series supports various USB PD profiles, I'm wondering whether they will also charge using other USB standards, for example: USB Type-C, 1.5A or 3.0A at 5V using the passive marking resistor (not PD) USB Type-A using an A to…
lxgr
  • 544
  • 1
  • 5
  • 15
16
votes
2 answers

Only one USB-C port will charge my MacBook Pro?

I've had my MacBook Pro (13-inch, Late 2016, Two Thunderbolt 3 ports) for over a year and I've never had any problems with charging until now. I was always able to use both USB-C ports for charging, but I just tried using the port that I don't…
Adam
  • 161
  • 1
  • 1
  • 3
12
votes
5 answers

MacBook Air Charger 45w vs 65w

Can you use a 65W apple charger instead of the 45w charger that comes with the Macbook Air? How will this affect the machine.
user19591
  • 121
  • 1
  • 1
  • 3
12
votes
2 answers

Will using higher wattage chargers degrade iPhone battery more quickly?

I’ve been using an iPhone 8 Plus for exactly 3 years and have been using the usb 5W wall charger that came with the box. I’ve never used any other charger, and has always charged by phone with 5V/1A. However, the phone seems to be charging more…
user74261
  • 163
  • 1
  • 1
  • 7
8
votes
2 answers

What is this brown sticky residue in my MacBook Pro charge port?

I have just noticed a brown type of sticky residue in my charge port on my MacBook Pro, it wipes off but not completely and to me it smells like battery. Can anybody tell me if I have a problem here, or if this is normal?
Louzy
  • 83
  • 1
  • 1
  • 4
7
votes
1 answer

Does the iPad 3/4 charger use a standard C7/C8 interface?

The new iPad chargers are sort of a brick containing the transformer, with a detachable corner piece containing the appropriate mains plug for wherever you bought it. The corner piece looks like it connects to the brick with a standard unpolarized…
user36802
7
votes
3 answers

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 charging). I tried using a different charger and the…
Greg Hewgill
  • 429
  • 1
  • 4
  • 15
6
votes
5 answers

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 safe or can they damage the iPhone (or its…
user30397
6
votes
4 answers

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? What kind of specifications do I need to charge…
Michiel
  • 9,865
  • 9
  • 43
  • 84
6
votes
1 answer

Magsafe port coating worn away

The plastic coating of my (mid 2010, 13 inch) Macbook Pro's Magsafe charging port has almost completely worn away over time, exposing some kind of shiny metal surface beneath. How important is this coating? Is this a fire hazard or a risk to my…
adiaphane
  • 93
  • 5
6
votes
2 answers

Can I use any Apple power adapter with my MacBook?

There are 45, 60, and 85 watt power adapters for the MacBook line of portable devices (the Air, the Pro, etc.). Does the 45 watt charger which comes with the MacBook Air work with the 15" MacBook Pro for example?
Nippysaurus
  • 3,770
  • 2
  • 37
  • 57
6
votes
7 answers

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 damage my macbook pro? After I get my normal…
Niek
  • 381
  • 1
  • 5
  • 14
1
2 3
…
11 12