Guide

RV solar and battery sizing

Camper van with solar panels on the roof at sunset

RV systems are limited by roof space: 400–800 W of panels is typical. Size the battery for overnight loads, and remember a rooftop AC usually needs shore power or a generator.

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200 W RV solar panels100Ah 12V LiFePO4 batteriesMPPT charge controllers2000 W pure sine inverters

Run the calculator · How the math works