Hi all, The original charging adapter for the 15.4" rMBP costs about 75 dollars. Is there an alternative to this thats cheaper and reliable. Reading a few older posts i see few members mention that it can fry your macbook, or can cause sever consequences... Is it true? or a rumor? I would like to have a few extra chargers around my home and office... instead of carry the one that came in the box. Edit: woah!! the interface changed.. while i submitted the post.