Using an Apple Magsafe 85 Power Converter With Your Apple Laptop Computer

Almost all power adapters for Apple laptops will wear out eventually, but the power adapter is one of the essential workhorse components of your MacBook Pro since it gives you the power needed to run all the applications on your system. When your laptop shuts down without warning, doesn't sufficiently charge the internal battery, or charges erratically, it's time to get a new Apple Magsafe 85 to keep your computer running properly. Your Magsafe power adapter may be used with your Apple laptop in countries and regions other than the U.K. if you have the proper electrical converter that allows you to plug into an outlet.

How long does an 85w Magsafe power adapter last?

The life of your new Magsafe 85 power adapter is generally five to 10 years. How long it lasts depends on a number of factors, including how often you use your computer, how often you experience power surges or brown-outs, how clean your environment is, and how clean you keep the connection. Cleaner conditions will extend the life of the adapter.

What Apple products use the Magsafe 85w?

The Apple Magsafe 85 is made primarily for the manufacturer's larger and more powerful laptop computers. You will need a Magsafe 85w adapter to power the 15-inch and 17-inch Macbook Pro laptops. You can locate this adaptor on eBay.

Can you use this power adapter on other Apple laptops?

Yes. You are able to use the Magsafe 85w with other Apple Laptops that use a 45w or a 60w Magsafe. The Magsafe 85 is compatible with several sizes of MacBook and MacBook Air models. Apple indicates that you may use a more powerful adapter with its laptops that don't need as much since the adapter and additional power won't harm the computer. Other Apple laptops you can use a Magsafe 85w on include:

  • MacAir 11-inch
  • MacAir 13-inch
  • MacBook 13-inch
  • MacBook 15-inch
Are the 85w Magsafe 1 and 2 power adapters interchangeable?

Magsafe 1 and Magsafe 2 converters are not interchangeable. The main difference between the two is the magnetic connecting piece in the second generation Magsafe 2 is thinner. All Apple laptops manufactured from mid-2012 and later will use the Magsafe 2. You can use both the Magsafe 1 and 2 with Apple laptops manufactured prior to 2018 since they don't have the USB-C adapter connection type.

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