When you’re done taking note of your Mac’s exact model, it’ll be much easier finding a replacement power adapter that fits it. Printed on your Mac’s original packaging.Shown on the original printed or emailed invoice (or receipt).You can find your MacBook’s serial number elsewhere, too, specifically in these places: In case your Mac isn’t starting up due to technical issues, use safe mode to view the notebook’s model and serial number. You should see the exact model year and name of your Apple notebook on the Overview tab as soon as the System Information box appears. Simply go to the Apple menu in the upper-left corner of your screen and then select About This Mac.

It may cause potential overheating in the charger itself, too. Go for a lower wattage adapter, however, and it won’t even provide enough power for charging. Otherwise, it won’t charge as fast or as efficiently as a compatible charger.Īlthough you won’t necessarily encounter technical problems using a compatible, higher wattage adapter, it may not charge your Mac fast enough. Use the appropriate wattage power adapter for your Apple notebook at all times. Whether you own a MacBook Pro, Macbook, or MacBook Air, you can absolutely get the right adapter if you know your Mac’s model. Keep in mind, too, that MagSafe power adapters come in three pieces: Connector and adapter, AC plug (or the “duckhead”), and the AC cord. Quick Reminders before Buying a Replacement Mac Power AdapterĪpple has made a number of MacBook power adapters over the years, but they are generally available in 29W, 45W, 60W, and 85W varieties. If you have no recollection of what your lost Mac power adapter looked like, we’re sure it’ll be confusing picking just about any charger. Go to the nearest Apple shop and you’ll see that there are several types of adapters to choose from. But if you lose its lifeline by accident, we’re here to help you get a suitable replacement. The greatest favor you can ever do for your MacBook? Don’t ever lose its power cord.

Mac charger replacement cord