Mine came with Interstate 27 deep cycles. Their a year old. One of the batteries just had a cell short. Caused havoc last trip out. I'll be replacing that one. Still a good battery though. If I had $1700 just laying around I'd upgrade to lithium. One day but not today. 
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Tony & Donna
2022 Montana HC, 295RL, Solar Flex 400, Onan 3600 LPG, 2K inverter, 200AH Lithium. 2020 GMC Denali 2500 6.6 Duramax, Demco 21K Auto Slide
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