If you go shopping for a#BOAT#winch#ELECTRIC models cost more than the manual ones. That said, the benefits of an electric winch must make it worth the additional cost. https://www.3steps.com.au/electric-winch-an-important-step-in-loading-your-boat-on-a-trailer/
Electric Winch: An Important Step in Loading Your Boat on a Trailer - 3Steps
On the other hand, instead of using muscle power to load, the boat winch electric type has a 12-volt battery motor that does this for you.
https://www.3steps.com.au/electric-winch-an-important-step-in-loading-your-boat-on-a-trailer/