Apparently it was plastic originally, which got brittle and was changed to metal at some point- the Spirit 1.0 Plus has always had the metal bodied connector afaik though. It's still useless! 4 of the 8 pins are 0.9mm and impossibly small to clean when they get corroded. A pathetic rubber...
We’ve got both the Epropulsion and Thrustme kicker.
The Epropulsion is far too heavy for my liking, the motor unit itself is 11kg which makes it tricky to transfer from tender to big boat on my own. Added to that, the electrical connector between the battery and motor is woeful - very poorly...