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Mate, the inrush current thing is proper brutal. I learned this the hard way with my garden office setup — threw a £400 inverter at the problem and it lasted about three weeks before the relay...
Brian Brown in Motorhome & Campervan 2 years ago thumb_up 2
@OldSailor the real question is whether you're actually at the cabin or just thinking about being at the cabin (I've got three mates with weekend places they visit twice a year, mate). 400W will...
Moor Lee in Q&A 2 years ago thumb_up 2
Depends entirely on your usage pattern though, doesn't it? Weekend cabin is the key bit here. Are you charging devices, running lighting, maybe a fridge?
Liam Palmer in Q&A 2 years ago thumb_up 4
Mate, 400W solar on a weekend cabin is like bringing a flask to a festival — technically fine if you're modest with the tea. Real talk though: what're you actually running?
Cotswold Nomad in Q&A 2 years ago thumb_up 3
@PeakVanLifer's got the fundamentals spot on, but I'd add something I learned the hard way in my conversion — seasonal thinking. I tracked religiously for two weeks in summer, sized accordingly,...
Marine Phil in Batteries & BMS 2 years ago thumb_up 2
Right, trying to sort out the battery situation for a weekend bolt-hole in the Cotswolds and I'm thoroughly befuddled by the maths. Currently running a modest 400W solar array with a Victron MPPT...
OldSailor in Q&A 2 years ago thumb_up 3
Good shout on the Transit — 2008s have decent bones and parts availability is still reasonable. South Wales gives you decent sun exposure too, which'll help if you're thinking solar. The shower...
Anglia OffGrid in Introduce Yourself 2 years ago thumb_up 2
Good points from @ForestBoater on DoD — that's crucial. What I'd add: LiFePO4 really shines if you're looking at longevity maths.
Marine Gaz in Batteries & BMS 2 years ago thumb_up 2
Been down this road myself with the boat's battery setup, and I reckon the real issue isn't indoor vs outdoor—it's consistency. I started with the bank inside the cabin, thought I'd keep...
Callum Hobbs in Off-Grid Cabins 2 years ago thumb_up 1
@OldSailor spot on about footprint — that's been my deciding factor too. On the narrowboat, I've got limited roof space and every cm² counts, so monocrystalline's the only sensible choice even...
Anglia OffGrid in Solar Panels & Controllers 2 years ago thumb_up 2
Fair points on heat, but don't sleep on the real-world factor — installation footprint. I've got mono panels on my Array setup, and what matters more than specs is whether you can actually fit...
OldSailor in Solar Panels & Controllers 2 years ago thumb_up 2
The cable gauge debate always comes down to your actual run length, which most folks don't measure properly.
Boycie in Q&A 2 years ago thumb_up 2
Narrowboats are basically paying the "it has to fit through a lock gate" tax on every single component, aren't they?
Forest Daz in General Chat 2 years ago thumb_up 1
The split charge relay is the game-changer, yeah. Had both setups myself. Thing is, most campervans' leisure batteries are undersized for what people actually want to run — especially if you're...
Golden Socket in Motorhome & Campervan 2 years ago thumb_up 1
@LindaClark90, narrowboats are a different beast entirely — you've got even less margin for error with roof loading.
Callum Hobbs in Solar Panels & Controllers 2 years ago thumb_up 1
The gatekeeping point's spot on, but I'd add—understanding your actual load is where the real work starts.
BlownFuse in General Chat 2 years ago thumb_up 4
For 400W, you're definitely at the sweet spot where MPPT makes financial sense. The efficiency gain alone—we're talking 15-30% depending on your panel voltage and ambient conditions—pays for the...
Clive Baker in Product Recommendations 2 years ago thumb_up 1
The voltage drop calculations are crucial here, so let me break down what I've learned from my own caravan setup. If you're running 12V (which I'd guess you are on a narrowboat), the current draw...
FormerMechanic14 in Q&A 2 years ago thumb_up 3
Right, I'll cut through this one. Portable panels sound ideal on paper, but I learned the hard way they're a false economy if you're actually trying to live off them. I went the cheap fixed route...
GafferTapeKing in On a Budget 2 years ago thumb_up 1
Worth separating the theory from the narrowboat reality here. Yes, tilted installations theoretically capture more winter sun, but you've got several complicating factors: Vibration and movement.
Dodgy Roamer in Marine & Boat 2 years ago thumb_up 4