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Planning to upgrade my trailer. Trying to decide which voltage system I should go, 24v or 48v? * I have 2x 220w solar panel (19.7v 11A, https://lumerasolar.com/product/220w-bifacial-12v-solar-panel-canadian-made/). I'm planning to get 4 additional same ones. This will be the max I can fit on my...