mag safe interchangebility

I need to charge my MacBook Pro and I forgot my Magsafe (85W). Is it possible to use the Magsafe 45W of a near MacBook Air to do so without injury?

iPhone 3GS, iOS 4.3.3

Posted on Apr 26, 2012 10:32 AM

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2 replies

Level 7

26,446 points

Apr 26, 2012 11:44 AM in response to vincentoutremont

It not recommended. You can use one of a higher wattage but not lower. See the Apple article:

http://support.apple.com/kb/HT2346

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Level 2

287 points

Apr 26, 2012 2:49 PM in response to vincentoutremont

It might provide enough juice to charge your MBP, but it'll be slow, especially after the first 50% charge. I don't think there's enough power to both charge and run the laptop.

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mag safe interchangebility

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