Jaybird, I personally replaced ours with an Optima deep cycle (yellow top) battery. VERY expensive battery, but has a good warranty and good "amps". The two big pluses for this battery are; never needs water, and does not need venting. Also, they have a very high resistance to vibration, although that shouldn't be a problem in our RV's. I've had it in for over two years now, no problems. If you buy an Optima, watch for a sale. They have them every so often. Costco also sells the Optimas, but it's the blue top, which is a Marine starting/deep cycle battery. It might work just fine, don't have any experience with that one though. As has been mentioned before, make SURE you have the fully automatic (three stage) charging converter. Usually, the RV's do NOT come with one. I have the IOTA 75, and just bought the add on "smart charging" accessory (easy plug in) for it. With any battery, but especially an Optima battery, that is a critical item.
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Terry and Patsy
Vietnam Veteran, US Navy
2017 3810
2015 GMC Sierra 4X4 3500 SRW
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