If I charge a MacBook with a 60w adapter will it ruin the battery or not?
I bought an 60w wall adapter, can I charge with it or it will ruin the battery?
MacBook Air 13″, macOS 10.15
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No, you can safely use a charger with a higher wattage than the one provided with your Mac, although it won't charge faster or perform differently.
Find the right power adapter and cable for your Mac notebook - Apple Support
