I have a question on what size trolling motor. I have a 12' Alumacraft vee hull boat I use for small lakes and ponds. I'm using a MinnKota 30lb Maxxum motor now which works pretty good, but a little slow. I can get a night of fishing on one battery. I would like to stay at 12volts. I'm thinking about going up to a40 or 45lb thrust. I would like to go to 55lb but don't want to suck my battery down too quick. I was wondering if the big motor might be better because it would be working less than the 45 and thus use less battery. Or I'm I thinking out in left base.