can you use an 85 W MagSafe Power adapter with a 13 inch MacBook Pro
can you use an 85 W MagSafe Power adapter with a 13 inch MacBook Pro
MacBook Pro with Retina display, iOS 8.3
Yes. You can use a higher capacity power adapter safely. The actual charging rate is determined by the Mac, not by the power adapter.
More details: Find the right power adapter and cord for your Mac notebook - Apple Support