1 have an 89 bayliner capri 1750. I am about to replace the 85hp force with a 125 hp force. The battery I have is a duralast deep cycle. It is older and needs replaced. I have a few led strips, four speakers and a CD player for accessories. I like to fish at night with the radio and lights on. Also, I like to float down the river with the radio on. My question is, what battery do I need? A deep cycle or one with high CCAs? I want to be able to listen to the stereo for two or three hours and have confidence the boat will start. My brother runs two batteries, but there is no switch. He has to keep both on a trickle charger back at the house. Is this something I can do? Thanks.