Would this be the right cable to charge my controller?

i just bought this cable,

http://www.amazon.co.uk/USB-2-0-Mini-Speed-Cable/dp/B00077DJJK

is it correct? and will it charge my ps3 controller ?

Yeah, that'll charge your controller.

In fact, you can find it anywhere. Just walk into Wal Mart or Best Buy and ask for a USB 2.0 cable.