Apple 85W MagSafe Power Adapter (for 15- and 17-inch MacBook Pro)

Apple 85W MagSafe Power Adapter (for 15- and 17-inch MacBook Pro)

$79.00

1.5 out of 5 stars

Based on 1323 reviews

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Product Information

  • The 85 Watt MagSafe Power Adapter features a magnetic DC connector that ensures your power cable will disconnect if it experiences undue strain and helps prevent fraying or weakening of the cables over time. In addition, the magnetic DC helps guide the plug into the system for a quick and secure connection.

    When the connection is secure, an LED located at the head of the DC connector will light; an amber light lets you know that your portable is charging, while a green light tells you that you have a full charge. An AC cord is provided with the adapter for maximum cord length, while the AC wall adapter (also provided) gives users an even easier and more compact way to travel.

    Designed to be the perfect traveling companion, the adapter has a clever design which allows the DC cable to be wound neatly around itself for easy cable storage.

    This power adapter recharges the lithium polymer battery while the system is off, on, or in sleep mode. It also powers the system if you choose to operate without a battery.

    Compatible with 15- or 17-inch MacBook Pro.

    Not sure if this is the right power adapter for your Mac?

    See this article for more details about choosing the right one.

    Knowing which specific Mac model you have is important. If you are running OS X Lion (10.7) or later go to the “” menu at the top left of your screen, choose “About this Mac” then click the “More Info...” button. Your Mac model and generation will be displayed.

    If you are running an earlier version of OS X, you can enter your serial number here to find out which model you have.

Ratings & Reviews

Rating Breakdown (1.5 average)
Number of stars Percentage Number of reviews
  • Better, but still not good engineering

    2.0 out of 5 stars

    I thought the magnetic connection would solve the problem with my previous Powerbook cord fraying. It didn't. 18 months, and I'm h I thought the magnetic connection would solve the problem with my previous Powerbook cord fraying. It didn't. 18 months, and I'm having to wiggle the cord around to get power. Of course, Apple will sell me another one for $79, when my problem is that $1 worth of wire broke.

    Here's an idea: why not make the portion of the cable that attaches to the transformer detachable? Then when the connector frays, as it inevitably will, you could buy a $10 cord instead of paying $79 for the whole power adapter. But I guess that would eliminate a big source of profit for Apple.

    • Written by from Bowie

    5460 of 5929 people found this useful

    Was this useful? Better, but still not good engineering
  • Dear Apple

    1.0 out of 5 stars

    Dear Apple - stop being stupid. For such a great engineering company, why can't you get the obvious things fixed. These cords fray Dear Apple - stop being stupid. For such a great engineering company, why can't you get the obvious things fixed. These cords fray at the connector. ALL of them do. Sometimes at the power brick, sometimes at the Mac end. Then I have to go spend 80 bucks for another adapter - when all I really need is the cord. So do the right thing, and put a MagSafe connector on BOTH ends of the cord, and a MagSafe jack on the side of the power brick just like the one on the side of the computer. Then, I could (1) disconnect the cord completely from the adapter when it's in my bag, and not have to worry about the cord getting bent and broken where it connects to the power brick, (2) could have my choice of cord lenghts - maybe a short one for my desk and a long one when I travel, and (3) I could replace JUST THE CORD if it got damaged or worn, for something like 5 or 6 bucks instead of 80. What do you think? Would it be so hard to do?

    • Written by from Lawrence

    3409 of 3487 people found this useful

    Was this useful? Dear Apple
  • Yes for Unibody, No for older MBP's

    2.0 out of 5 stars

    Own Early 2008 MBP and Late 2009 MBP.
    Works on the unibody, does not on my early 2008.
    The port on the new MacBooks are smaller Own Early 2008 MBP and Late 2009 MBP.
    Works on the unibody, does not on my early 2008.
    The port on the new MacBooks are smaller and more shallow, this charger reflects this change and will not make contact with older ports found on non-unibody.
    Buyer beware, save yourself the hassle and find an 'I" MagSafe charger if you have a non-unibody.

    • Written by from Whitby

    1552 of 2026 people found this useful

    Was this useful? Yes for Unibody, No for older MBP's
  • Another disappointed APPLE customer

    1.0 out of 5 stars

    I've had my MBP retina 15'' for 5 months. Today my power adapter stopped working. It smells bad. Obviously something burned out in I've had my MBP retina 15'' for 5 months. Today my power adapter stopped working. It smells bad. Obviously something burned out inside.
    In fact I am on a battery power right now. Spent over 2500 USD for this unit to have a reliable business laptop:) This is a joke. My previous HP Pavilion is still working after 7 years of use. Going tomorrow to the Apple service shop and will definitively reconsider buying any apple products in the future.
    Reading here over a 1000 reviews saying this adapter is a piece of junk and apple doing nothing to fix the problem?????

    • Written by from Toronto
    Was this useful? Another disappointed APPLE customer
  • wire frayed

    1.0 out of 5 stars

    I was also careful and have no puppies or children to chew on the cord. My fray was also at the brick end and my computer is only I was also careful and have no puppies or children to chew on the cord. My fray was also at the brick end and my computer is only 1 year old! Today when I tried to connect, there was a spark and now my laptop's fan is running hard. I might have blown my battery! On my way to APPLE store--hope fully ONLY have to replace the power adapter, but am afraid it will be a lot more than that! Terrible design!

    • Written by from Imperial Beach

    1 of 1 people found this useful

    Was this useful? wire frayed
  • another unhappy customer

    1.0 out of 5 stars

    I've had my Macbook Air for three years and am about to have to buy my third magsafe adapter. Frayed at the magnetic end. Sad gi I've had my Macbook Air for three years and am about to have to buy my third magsafe adapter. Frayed at the magnetic end. Sad given that I don't take the adapter anywhere and never roll it up. I think that there should be a redesign and a recall. Soon...

    • Written by from Calgary

    1 of 1 people found this useful

    Was this useful? another unhappy customer

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