There is not much info online about the 480E. What I did find is that it is available as a pure electric or hybrid. The only difference is the hybrid adds a generator. It does not mention the capacity of the Genset. The battery bank is a relatively small 35kw bank. In contrast the smaller Tesla’s use 75 or 82 KW batteries. It’s a small 48 foot cat that is a derivative of the original Norseman 43 footer which became the Voyage 440/450. Given the waterline length and light weight it should sail well however the drag of using the props to generate power has to be high. There are no real test reports about the boat online.