Optima's are great batteries and produced by same company as interstate - they are a AGM vs. the lead acids on the interstates.
In my case, for my boat, it's not worth it to go to a optima (27) - although they have outstanding reviews as well.
The interstates are half the cost, together on a 24v system run 50% longer (reserve capacity both group 27 vs group 27 size) - and the ONLY negative is and added 44lbs in total on the boat (22lbs per battery). I'm already 2500lbs loaded on the boat and 40lbs doesn't account for any appreciable performance issues for my boat.
If I had a tinner with a tiller - maybe it would be worth it.
Last edited by EZM; 08-10-2022 at 01:41 PM.
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