I have mine set up with the Anderson connectors shown in this thread:-
25A 12V Power connector
See 4th post down on page 2 (post 14 in total)
The idea is to have a permanently connected socket in the console of the RIB to blow the SIB up to use when we get to the beach, but I also have the other option of using it with the Croc clips on the car battery for the camp beds or when we use the SIB without the RIB.
A warning however that the camp beds go up so quick you have to be careful.