it has the magsafe and then an ac cord
which one should i use?
The cord is just an extension. If you want a longer cord, remove the pins on the power supply like that:
Image
And connect the extension cord instead. Most people I know use the extension, but you may prefer not to use it for more portability. It's just a matter of how long of a cord you need, it makes no difference on charging itself.
Actually the electrons have further to travel which increases the resistance and reduces the efficiency. Over the lifetime of the MBP we are talking hundreds of gigawatts wasted.
Actually the electrons have further to travel which increases the resistance and reduces the efficiency. Over the lifetime of the MBP we are talking hundreds of gigawatts wasted.
Actually the electrons have further to travel which increases the resistance and reduces the efficiency. Over the lifetime of the MBP we are talking hundreds of gigawatts wasted.
If all else fails, RTFM:first apple laptop so i wasnt sure what was what
Or sarcasm.Ridiculous hyperbole.