Cheap fast-charge chargers?

Hi there. I am one of those people that like to have a multitude of chargers around my house. So far all I have are the stock cheap chargers and the fast charge one that comes with the phone. Does anyone know of any relatively cheap chargers for the s6 that use the new fast charging? I've seen the HTC and Samsung ones but they seem to be rather pricy. I'm from Australia, so anything Amazon unfortunately doesn't ship here.

Thanks heaps.

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