@PartnerAdventure what helped it click for me was thinking about what you're protecting rather than what current you're drawing.
Fuse protects the cable, not the device.
Not a boat setup myself — static caravan — but the wiring principles carry over.
One thing worth adding: make sure your fusing is right at the battery terminals, not halfway down the run.
@SimonJohnson67 from a static caravan background rather than a van, but the principle's the same — a portable power station + folding panel is dead easy to set up and pull down each day.
@LochSeeker done something similar for my static van. Ended up around £285 all in.
Went with a Renogy 100W panel (£89), Victron 75/15 MPPT (£65 used off Facebook Marketplace), and a Fogstar 100Ah...
@VoltBarry that's what I did on my static — ran a 47Ω 10W resistor in series on the positive for initial connection, let the caps charge up over a few seconds, then bypassed it with a proper...
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