Foreign power adapters on US MBP?

I'm planning on buying a MacBook Pro in a few months, but I'll be moving from the US to the UK in September and was wondering if a MacBook Pro power adapter bought from Apple UK would be safe to use with my American MBP. I know that the world travel adapter kit would work, but I don't necessarily want to add anymore bulk to the power brick, which I hear is quite large. I was looking at the manual online and it says to only use the power adapter that came with the MBP, but if that was true than why are extra power adapters sold at all?
Thanks.

I can tell you for a fact that you won't have any problems. I use the US power supply in Europe and all I need is the adaptor to make the US plug into the local socket. As an additional option, I am sure that there will be a UK power supply if you don't want the hasle of using an adaptor.

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    Tim Supples
    Lenovo Social Media
    Got a question? Don't PM me, post it on the forum!
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    Tim Supples
    Lenovo Social Media
    Got a question? Don't PM me, post it on the forum!
    Lenovo Blogs
    X60 Tablet SXGA+ primary, Z61p fully loaded workhorse

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