Can I use an 85W charger for my MacBook Pro?
By default, the MacBook Pro uses an 85W power adapter, while the MacBook uses a 60W power adapter. The 85W adapter can be used inconsequentially with both models. It will provide ample power to both the MacBook Pro and MacBook, and will not damage the latter despite a higher-than-necessary wattage.
How do I know if my MacBook charger is compatible?
If the first three characters of the serial number are C4M or FL4, the cable is for use with an Apple USB-C Power Adapter up to 61W. If the first three characters of the serial number are DLC, CTC, FTL, or G0J, the cable is for use with an Apple USB-C Power Adapter up to 100W.
Can a MacBook Air be used with an 85W power adapter?
From what I can tell, the consensus seems to be that you can safely use the 85w MacBook Pro power adapter with the MacBook Air. Here is an Apple article (HT2346) that seems to me to suggest that it’s okay to use the 85w with the MBA:
What kind of USB cable do I need for my MacBook Pro?
USB-C cables rated for 29W or 30W will work with any USB-C power adapter, but won’t provide enough power when connected to a power adapter that is more than 61W, such as the 96W USB-C Power Adapter. You can verify that you’re using the correct version of the Apple USB-C Charge Cable with your Mac notebook and its USB-C AC Adapter.
Can you use a higher wattage power adapter on a Mac?
You can use a compatible higher wattage power adapter without issue, but it won’t make your computer charge faster or operate differently. If you use a power adapter that is lower in wattage than the adapter that came with your Mac, it won’t provide enough power to your computer.
Can you use a 45W MagSafe on a MacBook Pro?
If you were to use a 45W MagSafe power adapter on the MacBook Pro, then it can cause problems with the battery and main logic board which are hard and not cheap to fix. The 60W MagSafe power adapter should work fine on the MacBook Air as well as the MacBook Pro.