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4
votes
4answers
27k 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? ...
12
votes
2answers
30k 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 ...
2
votes
1answer
12k 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 ...