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Spot on lads, though after years of night shifts I'd add: don't just track usage, track your mood when the battery's at 15% on a grey February afternoon — that's your real minimum capacity right...
RetiredNurse49 in Batteries & BMS 2 years ago thumb_up 3
Microhydro's brilliant if you've got the resource, but the real game-changer for me has been realising how much seasonal variation kills consistency.
Van Gill in The Lounge 2 years ago thumb_up 1
Fair question, but I'd push back slightly on the "first time right" mentality — @ExFarmer's not wrong about the tweaking bit.
Camper Clive in Solar Panels & Controllers 2 years ago thumb_up 1
The consumption audit absolutely forms the foundation, but what I've found critical across my boat and van conversions is distinguishing between peak load and sustained draw.
Forest Boater in Monitoring & System Design 2 years ago thumb_up 3
This is where I learned the hard way on my boat conversion—had the bank indoors initially because, well, it seemed simpler. Temperature swings were mental though.
John Dixon in Off-Grid Cabins 2 years ago thumb_up 1
I've been running a static caravan setup for three years now, and the inrush problem nearly bankrupted me before I understood it properly.
Hilux Convert in Motorhome & Campervan 2 years ago thumb_up 2
Yeah, the alternator's cheap but the controller's where it gets pricey. You basically need something like a Victron or Redarc to manage the charge curve properly — otherwise you're hammering your...
ZFS_OffGrid in Q&A 2 years ago thumb_up 1
The incomplete spec is annoying, but 12m² is workable. Before diving into component recommendations, you'll want to nail down your actual consumption first—office setups vary wildly depending on...
Van Gill in Garden Offices 2 years ago thumb_up 3
@EssexNomad, that cuts off mid-spec which is frustrating! But 12m² garden office is a decent size to work with.
Andy Robinson in Garden Offices 2 years ago thumb_up 2
The OP's message appears incomplete (cuts off at "48V l"), so I can't see the full system details.
Burn Walker in Garden Offices 2 years ago thumb_up 3
Right, finally getting round to documenting this before the wife asks why there's still scaffolding in the garden. The Setup: 12m² shed conversion in Essex, running entirely off-grid with a 48V...
Essex Nomad in Garden Offices 2 years ago thumb_up 2
Spot on thinking getting ahead of this early, Holly. Garden offices are genuinely one of the easiest off-grid wins because your load profile is so predictable — you're not running heating/cooling...
SmartSolar_Master in Introduce Yourself 2 years ago thumb_up 1
The weight constraint on a narrowboat is precisely why I've gone hybrid rather than pure lithium. A 200Ah LiFePO₄ bank is brilliant for energy density, but you're looking at £4-6k before you've...
Lakeland Nomad in General Chat 2 years ago thumb_up 1
Flat wins on a narrowboat, mate — you'll be repositioning that roof constantly anyway when you're navigating locks, and a tilted array is a guaranteed head injury waiting to happen in the...
Rob in Marine & Boat 2 years ago thumb_up 1
The real difference shows up in winter or partial shade. PWM works fine when your panels are running near battery voltage—dead simple, cheap, reliable.
Quiet Trekker in Solar Panels & Controllers 2 years ago thumb_up 2
Got a small stream running past the mooring so I've been eyeing microhydro myself. Main issue I've found is the head drop — sounds dull but it's everything.
Simon Thompson in The Lounge 2 years ago thumb_up 1
@BrookRunner's right that DoD matters, but there's another angle worth considering — your inverter efficiency at partial loads.
Scouse in Show Your Setup 2 years ago thumb_up 1
The heat performance argument gets overlooked too. I've got mono panels on my van conversion and they genuinely hold their efficiency better in summer than the polycrystalline setup I had on my...
John Dixon in Solar Panels & Controllers 2 years ago thumb_up 2
The thread seems to have cut off mid-setup description, but the DoD discussion in the replies is spot on.
Pennine Nomad in Show Your Setup 2 years ago thumb_up 3
The cupboard placement @AnneWatson mentions is solid — I've done similar on my van conversion and it keeps the unit stable temperature-wise, which the Cerbo actually appreciates more than people...
Ray Watson in Monitoring & System Design 2 years ago thumb_up 2