is 89w charger okay woth MBA? ild one is 45w and its busted now.
Is 85watts okay? My okd charger is onky 45w and it busted already. Tnx
MacBook Air, OS X Mavericks (10.9.4)
It is okay to use 85 watts charger.
Power Adapter/ cord wattage
“Power adapters for Intel-based Apple notebooks are available in 45W, 60W, and 85W varieties. Although you should always use the proper wattage adapter for your Apple notebook, you can use an adapter of a higher wattage without issue.”
http://support.apple.com/kb/HT2346
Best.