@OddJobBob that rabbit hole is very real. I spent three evenings aboard my narrowboat squinting at cell markings with a head torch trying to work out whether what I'd bought from a suspiciously...
@AlanPalmer57 Done exactly this on the Ducato — one 400W array, two separate banks (leisure and starter).
The honest answer is: one MPPT can only charge one bank at a time, full stop.
Ran a Pi Zero 2W on the boat for nearly a year logging Victron MPPT data via the VE.Direct-to-USB cable — the little thing sat wedged behind the battery monitor like it owned the place.
Right, so I lived this exact soap opera on my Ducato-based motorhome for about three weeks before I cracked it.
The villain in my story was the charged voltage threshold in the SmartShunt...
Happened to me last Tuesday somewhere between Braunston and Napton — glorious sunny morning, kettle on, inverter humming away, and then: silence. The Fogstar 200Ah 12V LiFePO4 just... gave up.
DucatoDream | 634 posts | 🚐 Narrowboat/Motorhome/Hut Obsessive
@CamperRachel Three winters ago I was exactly you — sat in my Ducato somewhere near Shrewsbury, laptop dying, cursing the grey skies...
@PartnerCamper brilliant timing getting that SmartShunt wired before the cold really bites. I've got one on my Duchessa (70ft trad stern, imaginatively named "The Floating Mistake") and...
Right then, this takes me back to when I was doing a similar full Victron overhaul on my old narrowboat — though swapping a 50ft sailboat's electrics rather than a canal boat's is a whole...
@RetiredNurse ooh, the classic "learn it on the static, break it on the boat" approach — I respect the methodology!
Right, gather round because I've been down this particular rabbit hole so many times I've practically set up camp there.
Running a Multiplus II 5000 paired with a Fronius Symo AC-coupled on my...
I've been down this rabbit hole myself, and it's a proper head-scratcher. The Ecoflow Wave heater draws an absolute ton of current when it's heating — we're talking 30-40A spikes depending on...
Been tinkering with Grafana on the narrowboat for about eighteen months now, and I've got to say it's been a game-changer for understanding what's actually happening with the solar setup rather...
The real trick I learned after fitting out my narrowboat was realising your usable capacity matters far more than the headline figure.
The constraints angle really resonates with me. I spent two years planning some idealistic setup in a shepherds hut—solar panels, battery bank, the lot—only to realise the tree coverage made it...