Been there with a Sprinter. The real killer isn't the voltage—it's cable runs and losses. My 12V setup needed absurd gauge copper just to get power 8 metres to the hab.
This is exactly why I ended up splitting my approach between the cabin and the motorhome setup. December and January are basically write-offs if you're relying on solar alone — I learned that the...
Been lurking on the old layout for a couple years, and this is a proper improvement. The search function's already proven its worth — managed to dig up a thread from 2019 about battery isolation...
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