Not sure about how much juice you use per day. However I boat camp in primative sites all teh time, no power and no truck in campsite. My batteries last all weekend. I also leave my Minomizer running no-stop all weekend.
I'm not a troller. I motor to where I want to fish, kill the main and use my troller to buzz the honey hole, and hten set-up my anchors. Last time out, I did troll for about 4 hours in the wind, troll up wind and let it carry me back downwind, repeat. Still had about 75% power left Sunday night.

