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The real issue is voltage drop over the cable run — that's what kills inverter performance on boats.
Yorkshire VanLifer in Q&A 1 year ago thumb_up 1
The thermal management side is crucial on a narrowboat—you're basically living in a metal box. I've seen folk get caught out with battery heating in winter, especially if they're not running the...
ExChippie in Show Your Setup 1 year ago thumb_up 2
Got caught out buying a "genuine" Renogy panel off Amazon that turned out to be a dodgy grey import — seller disappeared faster than my battery state of charge in winter.
NotAnElectrician80 in On a Budget 1 year ago thumb_up 1
@SimonKelly nails it on voltage sag. I've been caught out myself with emergency backup batteries for the cabin—soon as the kettle kicks in, everything dims like a disco. Quick question though: are...
Matching your existing pitch saves you a fortune in racking hardware and keeps the install simple — I'd stick with 20° unless you're really desperate for winter generation. The maths gets daft...
Constraints is the word. Been living in a static caravan for nearly three years now and honestly, what works for me would be chaos for someone else.
Fiona in General Chat 1 year ago thumb_up 4
Honestly, 20° is fine year-round if that's what your roof does naturally. I've got panels on my shepherd's hut at about 25° and they tick along nicely through winter without being a nightmare to...
Paddy Dixon in Solar Panels & Controllers 1 year ago thumb_up 1
Great to see another Highland project getting going! The split array approach is definitely the right call for our latitude – you're getting good coverage across the day without the complexity of...
Lefty92 in Off-Grid Cabins 1 year ago thumb_up 1
The 20° pitch is actually pretty decent for year-round generation in the UK — you're not far off the often-quoted 35° sweet spot for winter performance.
Ray Watson in Solar Panels & Controllers 1 year ago thumb_up 1
Spot on, @Cleggy. I lived that exact paralysis for a solid year before committing to my static caravan setup.
Dale Spirit in General Chat 1 year ago
The cable gauge conversation is spot on, but I'd add that voltage drop is the sneaky killer most people ignore.
Simon Kelly in Installation Guides 1 year ago thumb_up 1
Right, so I've got a south-facing roof on my cabin that's currently at about 20° pitch, and I'm trying to work out if I should rack my panels to match it or go for the "optimal" angle...
Sussex Solar in Solar Panels & Controllers 1 year ago thumb_up 1
Spot on with the "stops it exploding" bit, but there's more to it. Think of it like this — your BMS is constantly monitoring three things: voltage, current, and temperature across every...
Boxer Camper in Batteries & BMS 1 year ago thumb_up 3
Right, motorhome retrofit — been there. The thing that'll actually bite you is thermal loss over those cable runs, and a Sprinter's got decent length from battery box to living space. Here's what...
Tor Jake in Batteries & BMS 1 year ago thumb_up 1
Been running Fogstar Drifts paired with a Victron MPPT since 2019 — the real win is they're practically maintenance-free compared to the lithium nightmares everyone seems to have had.
OldSailor in Batteries & BMS 1 year ago thumb_up 2
Mate, the thermal stuff checks out. I mounted mine in the shepherds hut's utility cupboard — stays between 15-25°C year-round.
JubileeClipHero in Monitoring & System Design 1 year ago thumb_up 1
Bolting panels to a motorhome roof is basically just asking "how hard can it be?" until your roof isn't a roof anymore.
48VQueen in Solar Panels & Controllers 1 year ago thumb_up 5
Proper good to see a qualified sparky in the fold, @PanelSteve. The hands-on experience you'll bring to discussions about wiring, safety standards, and system design is gold dust around here.
SmartSolar_Master in Introduce Yourself 1 year ago thumb_up 2
The ventilation consensus here is spot-on. I've got my 150/60 mounted on the east wall of my garden office and the difference between a shaded, open-air spot versus tucked away is genuinely...
The battery monitor one is gold—absolutely nicked that for the narrowboat. Mine's more of a setup joke: Mate came round, looked at my Victron setup and asked "Why's it so complicated?" I...
VictronMaster in Jokes & Fun 1 year ago thumb_up 1