I wouldnt worry about it right now unless you're going to need some sort of transformer to power that EU plug. If you do or if you just want to make the jump to a DC PSU then Id recommend getting something like one of these. I tend to prefer 24V but the 12V power supplies will work also. The most...
First thing you need to do is decide what Connectors you want to use. XT60, XT90, EC3, EC5, or Deans. Once you settled on a connector type then you're going to want to buy some male and females of that type along with some 12 and/or 10AWG wire.
The connectors on the front of the charger are...