The first one would do, thanks! I guess I'll get either something like that or like I linked in my first post. The INOV8 looks fancy. I guess it performs some "auto-discovery" with the row of multiple separate contacts? Looks like some serious solid state switching action is happening there. But I'm not really after automated charger right now, rather in need to be able to tap straight to the contacts and it'll be a shame to mess with the cooler one.
EDIT:
Ah, it's just a spring! And the actual sliding contacts are in the middle! Got it all wrong ;-)