looking to get the boat de-winterized this week, and planning to put new batteries in the boat, as we had some real problems keeping a charge at the end of last year. I'm planning on picking up some Optima batteries at Costco this week, and i want to make sure i pick up the right ones. I run 3 amps on the boat right now, with two batteries and a perko switch. So, i'd like for both to have the power to start the boat as well as run the system. I'm assuming this means I should get two of the Optima blue-top dual purpose (starting and deep cycle) batteries? It seems pretty straightforward, but just want to double check to make sure. Thanks.
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