I really dont think so. There are just crossing 500m at 2-3 knots several times a day. This is basically less than a semi rolling resistance which is maybe 1/

I really dont think so. There are just crossing 500m at 2-3 knots several times a day. This is basically less than a semi rolling resistance which is maybe 1/5kwh/km? EDIT: even so, x10 batteries 2mwh are still very reasonable for a boat which cycle daily