Apple 45W MagSafe 2 Power Adapter for MacBook Air

  • 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.

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

  • 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

      131 of 136 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 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

      81 of 89 people found this useful

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

    • 1.0 out of 5 stars

      Poor build quality

      Echoing what others have said in their reviews of this product, I have to say that I am sorely disappointed with the quality of the cable covering, which has no Echoing what others have said in their reviews of this product, I have to say that I am sorely disappointed with the quality of the cable covering, which has now frayed to a point where the cable no longer works and must be replaced. Clearly, this is a fairly common problem as there are products sold online specifically to prevent it; I wish I had discovered them sooner, as this is an expensive cable to replace based on a design that any amount of testing could have identified as unsuitable for long-term use. Very bad form on Apple's part to have released such a shoddy product.

      • Written by Tom C from London

      61 of 63 people found this useful

      Is this review useful?Poor build quality

    • 1.0 out of 5 stars

      Charger wires frays at week points!

      Me too. I'm with the bunch of people that now have to buy another charger because the cords has frayed at the point where it attaches to the computer and at th Me too. I'm with the bunch of people that now have to buy another charger because the cords has frayed at the point where it attaches to the computer and at the base of the charger adapter.

      • Written by David B from Encinitas

      2 of 2 people found this useful

      Is this review useful?Charger wires frays at week points!

    • 1.0 out of 5 stars

      Another $80 dollars for an adapter that is a cheap piece of rubbish...

      I'd give it a zero if I could. I'm on my third adapter for this computer. I do not abuse them, and this is the first computer that I have ever owned that requ I'd give it a zero if I could. I'm on my third adapter for this computer. I do not abuse them, and this is the first computer that I have ever owned that required replacement of an adapter at all. This one is overheating and turning brown so it's a fire hazard. The last one shocked me. At least Dell had the decency to recall their batteries when they were overheating. It's not like this defect is a secret. A quick Google of MagSafe adapter turning brown returned several results identifying the issue.

      • Written by Lindy L from Cuyahoga Falls

      1 of 1 people found this useful

      Is this review useful?Another $80 dollars for an adapter that is a cheap piece of rubbish...

    • 1.0 out of 5 stars

      Terrible design and a terrible product - class-action-lawsuit-worthy bad

      These last on average 2 years if you take great care of them. Makes the total cost to own a Mac much higher than alternative products. With Apple's design and p These last on average 2 years if you take great care of them. Makes the total cost to own a Mac much higher than alternative products. With Apple's design and production prowess, it really leads you to believe they do this on purpose.

      • Written by Jonathan M from Wilson

      1 of 1 people found this useful

      Is this review useful?Terrible design and a terrible product - class-action-lawsuit-worthy bad

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