Will the 85w magsafe 2 charger works better than 45w magsafe 2 for macbook air?

Apple 85W MagSafe 2 Power Adapter (for MacBook Pro with Retina display)

Apple 85W MagSafe 2 Power Adapter (for MacBook Pro with Retina display)

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2 Answers from the Community

  • Best Answer:

    It should work the same. The charger doesn't "force" current into the computer, the computer draws what it needs from the charger. The MBA will only draw 45W max so the 85w charger will easily provide the needed current. The problem happens when you try and use the 45w charger with the 85w computer. It will try to draw more current than the charger will deliver and that can cause problems.

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