We have the Quantum WS31 with resi-fridge. It had two 12v batteries when we got it (slightly) used. But, they were on their last legs, so had two 6v GC2 Interstate batteries installed. The first time out boon docking we were awakened by the inverter or low battery (whatever) alarm at 2:00 am. Two days of that and I was ready to ad two more batteries to the system. We just went out for two weeks with a couple days boon docking. The four batteries held up quite nicely. They made it through the night great, then I ran the genny purposely for an hour while making breakfast. Then, again that evening for an hour, did that both days and worked out fine.
So, good call on getting 4 batteries installed!
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Pat & Becky & now Katie
Wenatchee, WA
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