This info is from their website. What you are looking for is a battery that has a high Reserve Capacity, not so much Cold Crank Amps, but the bigger the Capacity the longer it is going to last. The Interstate Deep Cycle batteries I had were a Reserve of 120, the Optima's are 155. Here is their Data and then below what it says from their site. They are designed for long draw downs, plus they are Heavy Duty. I used to wake up to a 1/3 battery or a dead battery and have to start my RV in order to start Generator. Now I wake up and have a 2/3 battery on the gauge. The cheapest place to buy them is on Amazon.com or call around and price shop all the battery stores in your town.
Performance Data:
Open Circuit Voltage (Fully charged): 13.1 volts
Internal Resistance (Fully charged): .0025 ohms
Capacity: 75 Ah (C/20)
Reserve Capacity: BCI: 155 minutes
(25 amp discharge, 80?F (26.7?C), to 10.5 volts cut-off)
"Installing an Optima BlueTop in your boat or RV means more running time, faster recharge, and up to 3X the cycle life of a traditional battery, which leads to one thing - more time doing what you love.
Optima BlueTop batteries feature both SAE/Automotive posts and 5/16" stainless steel threaded studs for easy installation in your boat or RV.
BlueTop: Ultra high-performance Spiralcell AGM dual-purpose battery for marine and RV. 3x the cycling capability (rechargeability) with ultimate cranking power in a maintenance-free package. Perfect for multiple high-demand accessories with 15x the vibration resistance and lighter weight Lower internal resistance provides more efficient power output and faster recharges."
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2008 Supernova 6372
2007 Nautique Super Air 210 (Toad)
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