Re: 1986 FOUR WINNS battery question
I'll second what silvertip said. Having dual batts can be lifesaver. While your running the engine, you have the selector switch set to both and the engine will charge both batts. While anchored you set it one or the other batt and your accesories will only pull off that batt leaving the other one fresh for starting your engine. I have mine set up port and starboard in the stern of the boat, when starting or running the engine I set the switch to both, while anchored I use the port batt for radio, etc.. and leave the stbd batt for engine only. I've never had a dead batt problem doing it this way.
Art