What size battery bank are you running? That's the real deciding factor for van life, I reckon. Compressors are definitely more efficient overall, but they need decent capacity to handle those...
Been there with my setup — the real issue isn't the panel output, it's planning around it. 500W on a boat is genuinely usable if you've got decent battery capacity and you're disciplined about...
Been caught out by this myself. Set up my first system based on summer figures and got absolutely hammered come winter—had to scramble for a petrol generator come January.
The thing nobody...
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