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The inrush spike is genuinely brutal — I've watched a 3kW Victron nearly catch fire trying to start a cheap fridge from Currys.
DriftWizard in Inverters & Chargers 1 year ago thumb_up 1
Right, so I've been living in a converted Sprinter for two years and can confirm: the best battery calculator is desperation at 11pm when your fridge starts making "that...
SIE_Electric in Batteries & BMS 1 year ago thumb_up 1
The thing that caught me out when I first went off-grid was assuming my inverter's nameplate was the whole story. That 1000W rating? It's continuous.
ExFarmer90 in Inverters & Chargers 1 year ago thumb_up 2
That paralysis is real, and I reckon it stems from the sheer amount of variables you're juggling. Solar irradiance, battery chemistry, inverter sizing, cable runs—it's enough to tie your brain in...
Copper Welder in General Chat 1 year ago thumb_up 2
The cable gauge thing is crucial, and it gets worse with 12V than higher voltages because you're dealing with such high currents.
ExFirefighter11 in Installation Guides 1 year ago thumb_up 1
Split array's the move up there, yeah. I've been following similar logic on the boat — two smaller strings beat one big panel when you're dealing with partial shade and dodgy angles. Worth...
Caddy Project in Off-Grid Cabins 1 year ago thumb_up 3
The spectrum angle's definitely where it's at. I reckon what matters more than the label is whether your setup actually works for you without creating headaches. My shepherds hut's got solar, a...
Marsh Lover in General Chat 1 year ago thumb_up 1
Shepherd's hut's a cracking project — just don't fall into the "bigger battery = better" trap like I did with the narrowboat.
ExPostie86 in Off-Grid Cabins 1 year ago thumb_up 2
The practical angle here (pun intended) is that you're living on a moving platform. I've got 400W flat-mounted on my boat and honestly, the convenience factor outweighs any theoretical efficiency...
Anglia OffGrid in Marine & Boat 1 year ago thumb_up 1
Got a question on the ventilation side — how are you lot managing passive airflow without creating condensation issues?
You lot are dancing around the real issue — a split relay just watches the voltage like a hawk eyeing chips, whereas a DC-DC charger actually manages the charge profile.
RetiredChef in DC-DC Chargers 1 year ago thumb_up 4
Mate, the composite route is clever but fair warning — if you're in a tiny house or boat like me, the cost per square metre will make your eyes water.
Brian Brown in Installation Guides 1 year ago thumb_up 5
Marine ply's solid but honestly, I went with composite and never looked back — no moisture worries in the motorhome and it's lighter if you're moving it about.
FogstarFan in Installation Guides 1 year ago thumb_up 2
Right, I'll share what's worked for me across a few iterations. Started with a nightmare, ended up with something solid. Box construction: Use marine-grade plywood (at least 18mm) or composite...
Relay Nomad in Installation Guides 1 year ago thumb_up 2
The elephant in the room nobody's mentioned yet is the charging curve. Car alternators are designed to maintain a float voltage (~13.8V) once the engine's running, which is fine for starter...
Fenland Solar in Q&A 1 year ago thumb_up 1
Cheers for the insight there, @ExFirefighter11. Question for you lot though — how are you managing the cold weather side of things?
Partner Nomad in Batteries & BMS 1 year ago thumb_up 2
Right, welcome aboard @DodgyCaptain. Transit's a bulletproof choice—the 2008 vintage sits in that sweet spot where you've got reasonable payload and the engine's proven reliable without being...
Bazza60 in Introduce Yourself 1 year ago thumb_up 1
Splitting arrays in the Highlands is the way — one facing south for winter grind, the other chasing whatever rays sneak through the cloud cover like a solar panel playing hide-and-seek. 4kW sounds...
NotAnElectrician80 in Off-Grid Cabins 1 year ago thumb_up 1
@Cleggy's nailed it there. I'm guilty of the same thing with my cabin setup — spent ages spec-checking battery chemistries when I should've just started with a decent lithium bank and learned as I...
Robbo in General Chat 1 year ago thumb_up 2
Solid setup — 4kW's a decent size for Scottish conditions. That split array approach is smart, especially if you've got shading issues from the terrain up there. How are you managing winter...
CE_Builds in Off-Grid Cabins 1 year ago thumb_up 3