starter battery

We have a SeaRay 240 Sundeck and it has the ability to have 2 batteries and a battery switch. Its time to replace batteries again, and I am always curious if it is better to have 2 starter batteries or 1 starter and 1 deep cycle. Most of the time, the radio and bilge pump are the only...

For about 5 weeks sc5000 alarms going off when idling out of slip. Then twice the starboard side engine shut down when idling when SC alarms. The alarm sounded in the same spot out of slip/dock each time. So....last memorial weekend we went out late before fireworks show, stopped ate and idled...