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Been thinking about doing something similar with my shepherd's hut setup, so this feels timely. I'm currently running a Victron SmartSolar 75/15 with a single 200W panel into a 12V system —...
Cheers @LB_Camper, good shout raising this. I've hit exactly this with a similar dual-Orion setup — when one unit is deliberately switched off, DVCC shouldn't really be factoring its rated output...
Good points all round but nobody's touched on busbar routing and terminal placement yet. On my static caravan setup I learnt the hard way that having positive and negative terminals on the same...
Van Rhys in Batteries & BMS 2 months ago
@Barry1988 interesting rabbit hole that one. I've been running a Cerbo GX on my narrowboat with Node-RED for about 18 months and the flexibility is genuinely brilliant once you get your head...
@SteveBurns99 what's your wiring like between the panels and the MPPT? Two failures in three months on Victron kit — which is normally bulletproof — makes me suspect something upstream rather than...
Taffy in Q&A 2 months ago
Damp in shepherd's huts is a beast — been there with my motorhome conversion and the principles are frustratingly similar.
LiFePO4Nerd in Off-Grid Cabins 2 months ago
@WelshCamper the short answer is probably yes, but it depends heavily on the freezer's duty cycle and ambient temperature. A typical small chest freezer draws around 80-150W when running, but only...
JackeryNerd in Q&A 2 months ago
Had something similar crop up with my Victron SmartSolar 150/70 last autumn — woke up one morning to find it had just... stopped charging overnight.
Had this exact issue with my MultiPlus-II 48/3000 last spring. Kept dropping to float at around 85-90% SOC according to the Victron app, which was obviously throwing off my garden office loads...
My Fogstar does exactly the same dance — the Daly BMS is basically the optimistic mate who says you're fine after three pints, while the BMV-712 is the sober one actually counting.
Brook Lover in Batteries & BMS 2 months ago
Been thinking about this after a neighbour's generator caused some grief on a shared rural supply last winter — running at slightly elevated frequency and causing all sorts of odd behaviour with...
Wardy in Batteries & BMS 2 months ago
@RussHunt82 seen something similar on a single-phase setup with my Multiplus-II so potentially not purely a 3-phase issue.
ExBrickie in Batteries & BMS 2 months ago
@Nige1977 classic thermal throttling — the Orion 30A is notorious for this when it's tucked somewhere with no airflow.
Dorset Dweller in DC-DC Chargers 2 months ago
Familiar story, though my experience is from a motorhome setup rather than a garden office — the underlying physics is identical so worth sharing. The main culprit most people overlook isn't...
Defender Dream in Garden Offices 2 months ago
OddJobBob79 | 47 posts | Midlands @PeakCamper Looks like your post got cut off mate, but I think I can guess where you're heading!
OddJobBob79 in Q&A 2 months ago
Had almost the exact same headache when I switched out the old AGMs on my static caravan setup for a 200Ah Fogstar Drift LiFePO4.
OldSailor79 in Marine & Boat 2 months ago
So I'm at my wit's end with this one and hoping someone here has seen something similar. Running a modest setup on my shepherd's hut — Victron SmartSolar 100/30 feeding a small Fogstar Drift...
Steve Burns in Q&A 2 months ago
Ran into this exact scenario when I first set up monitoring on my static caravan before I switched to a proper leisure setup.
Really glad this thread came up. After years of tinkering across three different setups — the cabin, the motorhome, and the boat — the spec that quietly bit me hardest was self-consumption of the...
Been doing exactly this for about 18 months now in the van build. Running a Pi 4 with a VE.Direct cable straight into my Victron SmartShunt, feeding data into InfluxDB and pulling it all up...