Apple 45W MagSafe 2 Power Adapter for MacBook Air

Product information

The 45-Watt MagSafe 2 Power Adapter for MacBook Air 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 amber light lets you know that your Mac is charging, while a green light tells you that you have a full charge.

Compatible only with 2012 and later MacBook Air models with MagSafe 2 Power Port.

Compatible with
MacBook Air
Eligible for International Delivery
Model name / number


  • Click & collect

    Click & collect from John Lewis and Waitrose shops tomorrow from 2pm
    Find out more
  • Collect+

    Collect + from a local shop from tomorrow, postcode exclusions apply
    Find out more
  • UK delivery

    Standard delivery within 5 working days
    Named or Saturday UK delivery
    Named day UK delivery pre-10.30am
    Find out more
  • International delivery not available


We want you to be happy with your purchase. If you're not, depending on the type of product, you can make free returns in the UK via John Lewis shops, Royal Mail, Collect+, or MyHermes. If you need to arrange collection of large or heavy items, call us on 03456 049 049. For international returns queries, call us on +44 1698 545 454. Find out more about returns.

You'll find returns information on your delivery note. Unless faulty, we'd like you to make your return within 90 days of purchase. Exceptions apply to certain products - find out more about our refund policy.

Q & As

Rated 3 out of 5 by 2 reviewers.
Rated 5 out of 5 by APPLE CONNECTOR Quick and easy click and collect, previous review helped to double check the adaptor is suitable for my model of MacBook Air 10 June 2015
Rated 1 out of 5 by Charger didn't fit MacBook Air 2011. Bought this as my original charger broke, however i got home to realise that the connector didn't fit in my 2011 MacBook Air! Further research on the Internet revealed that it was the 45W MagSafe I needed and not the 45W MagSafe 2. The compatibility of this charger was not stated anywhere on the product info and as no other charger for MacBook Air was on sale from John Lewis I presumed it would be fine. John Lewis were very understanding and returned the product with no hassle at all. Like I said previously the fact that it was not stated that the charger was not compatible with an 2011 MacBook Air was quite annoying. I have rated this 1 star purely for the compatibility reasons and the fact nothing was mentioned about this online - I'm sure if it had fitted it would have worked very well. 02 April 2013
  • 2015-12-15 T15:56:18.594-06:00
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