What does an 85 Watt MegSafe Power Adapter do?

I am purchasing a MacBook Pro and was wondering if i need this adapter?

  • Asked about:  QA Apple MagSafe Power Adapter

1 Answer from the Community

  • Answer

    The 85W MagSafe Adapter is the adapter that will power (and charge the built-in battery) for 15" (current & past) and 17" (past) MacBook Pro laptops including the retina screen ones, from the wall outlets. It may, also be safely used, in the 13" Macbook Pro's as well as MacBook Air Series.