Apple 45W MagSafe 2 Power Adapter for MacBook Air

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  • Overview

    The 45W MagSafe 2 Power Adapter features a magnetic DC connector so if someone should trip over it, the cord disconnects harmlessly and your MacBook Air stays put safely. It also 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 lights up; an amber light lets you know that your notebook is charging, while a green light tells you that you have a full charge. An AC lead is provided with the adapter for maximum lead length, while the AC wall adapter (also provided) gives you an even easier and more compact way to travel.

    Designed to be the perfect travelling companion, the adapter has a clever design that 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 only with MacBook Air featuring MagSafe 2 power port.

    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.

  • 1.5 Average
    1 out of 5 stars
    Number of stars Percentage Number of reviews
    • 1.0 out of 5 stars

      What an awful design Now on number 3 in <4years.

      The cause of replacement number 3 is the useless covering on the magsafe cable end. The slightest pinch in this, usually caused by being laid under the world's The cause of replacement number 3 is the useless covering on the magsafe cable end. The slightest pinch in this, usually caused by being laid under the world's lightest computer, and it crumbles. While it's crumbling at one point the sheathing slides up and down, breaking at subsequent points along its length. Which is bad - but it gets worse. You cannot detach the cheap cable from the expensive box of electronics. Seriously guys, 4 years and you've not addressed this yet. Bad design flaw! Get it? Making the product universal with only 1 cable change for the global market is a good idea. Making us throw away a working and expensive box because you can't get a cable covering right is a bad idea. Let me demonstrate: Let's ask a 5 year old how we could improve that, shall we? How about you makek the cable that disintegrates detachable from the big expensive box of equipment so my replacement cost each year is smaller? Or do Apple genuinely want to penalise their customers by failing to make the product properly in the first place and then compounding that by charging us unnecessarily for a part that is still working but that we cannot get off the end of the cable to allow us to replace the cable that needs changing? Seriously? Yes, it would still be a pain, but a pain that wouldn't bankrupt me.

      • Written by Natalie J from Newhaven

      157 of 163 people found this useful

      Is this review useful?What an awful design Now on number 3 in <4years.

    • 1.0 out of 5 stars

      Poor Product

      I've had Macs for over 30 years. By far, the most badly designed accessory for any Macbook or Mac Air or Mac Pro is the AC adapter. No matter how careful you ar I've had Macs for over 30 years. By far, the most badly designed accessory for any Macbook or Mac Air or Mac Pro is the AC adapter. No matter how careful you are, the adapter breaks and shorts out long before it should; it's the Achilles heel of Apple products. At this writing, my early 2014 Macbook Air is like new, but the AC adapter just shorted out. Please, Apple, there's no reason for this.

      • Written by Bob S from PHILADELPHIA

      110 of 112 people found this useful

      Is this review useful?Poor Product

    • 1.0 out of 5 stars

      Poor design: bad angle, inadequate magnetic pull

      There are three problems with the new MagSafe: 1) the cable projects from the overly wide connector at a 90 degree angle. This means that if the computer and Ma There are three problems with the new MagSafe: 1) the cable projects from the overly wide connector at a 90 degree angle. This means that if the computer and MagSafe are not completely level, it falls out. So the "laptop" has to be "table top-only" if you want to charge it. Add this to the flaw (2) of inadequate magnetic pull, and it's a disaster. If there is any grit in the power outlet in the MBA, the weak pull is lessened. The charger constantly falls out. 3) The coating on my cable nearest the connector (perhaps because of its 90 degree projection?) got stressed and split. Now I need to buy a new one as the internal wiring is exposed. This has never happened with any Apple cable before, and I am a long-term user. It has to be the design of this one. Apple, please, go back to the old design of the brilliant MagSafe 1. And offer it for the 2013 MBA.

      • Written by Jennifer C from Spencerport

      89 of 97 people found this useful

      Is this review useful?Poor design: bad angle, inadequate magnetic pull

    • 1.0 out of 5 stars

      Very bad quality and very expensive to replace

      I do some traveling with my MacBook Air so I was not surprised that the cable lasted less than 2 years. I have a (now discontinued) Thunderbolt display so I don I do some traveling with my MacBook Air so I was not surprised that the cable lasted less than 2 years. I have a (now discontinued) Thunderbolt display so I don't really need the power adapter since I now use mostly my iPad when I travel. I sometimes use my wife's Macbook adapter if necessary but now her cable is frayed and I will have to buy an $80 USD adapter so she can use her Macbook. The cable should be of sturdier quality for the price they are charging or it should be (much) cheaper considering that it is built to last less than a year if you constantly take your Macbook (and adapter) with you.

      • Written by Marco M from Monterrey

      Is this review useful?Very bad quality and very expensive to replace

    • 1.0 out of 5 stars

      Dealbreaker for macbooks

      No matter how careful you are with it, the cords will always fray after a while. Apple's iphone cords have the same issue, but thanks to alternate companies tha No matter how careful you are with it, the cords will always fray after a while. Apple's iphone cords have the same issue, but thanks to alternate companies that produce iphone cords with different designs, I can rely on those. Unfortunately there aren't any non-Apple products for these and I have to buy another one of these garbage chargers, but next time the charger breaks (presumably in the next few months), I won't bother with macbooks anymore. It's not worth spending $79 every few months just to keep the laptop running.

      • Written by Yoobin N from Oradell

      2 of 2 people found this useful

      Is this review useful?Dealbreaker for macbooks

    • 1.0 out of 5 stars

      Terrible Design!

      The design of this charger is unbelievably bad. It will not stay connected. If I even move the computer from my lap to the table it will disconnect. The magne The design of this charger is unbelievably bad. It will not stay connected. If I even move the computer from my lap to the table it will disconnect. The magnet is not strong enough to support the wider design. The previous design layed flush against the computer so it would not pop off at the slightest movement of the computer, but would disconnect if the cord was tripped over. I have been left stranded without a charged battery twice now. So to prevent this from happening again, I have to buy an extra cable to carry in my backpack. I understand that the MacBook pro that came out after this one (I bought early 2016), has a new design. I will not buy anymore Apple products. I do not mind paying 3 times more for products that give me no trouble, but the newer Apple products are no better than Android or Windows products. In the last 18 months, I have purchaed a new MacBook Pro, iPhone 7, apple watch, and iPad. I have regretted every purchase except the iPad. I have spent over 50 hours troubleshooting problems with these products and they still do not work properly. I am so frustrated! None of them work as well as their predecessors. Don't waste your money on Apple!

      • Written by Victoria L from Keller

      Is this review useful?Terrible Design!

  • Answers from the community

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