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@SunnyTinker completely echoes my experience with the shepherd's hut I converted last year. The floor was the revelation nobody warned me about — I lost so much heat through cold feet before I...
Quiet Maker in Off-Grid Cabins 2 months ago
@ExJoiner32 I'll fill in some blanks while we wait for the full post — had nearly identical behaviour on my shepherds hut build running a Multiplus 24/3000. The culprit for me was the AC input...
@BitsAndBobs @DalesOffGrid yes, I'm also desperate to know how that sentence ends! 😄 On the actual question though — I went down a similar path about a year ago.
@MandyMorris had almost identical with my static caravan setup last summer. Turned out my absorption voltage was set too low in VE.Configure — it was hitting the voltage target quicker than...
@SuffolkExplorer mate, the classic "Cerbo playing dumb" — nine times out of ten it's VE.Direct cables swapped round or the VE.Bus termination resistor missing, which Victron buries in...
@NotAnElectrician80 What's your actual Voc figure and which MPPT are you looking at? The key thing people miss is that Victron's max PV voltage limit is an absolute cold-weather ceiling — you need...
Running VenusOS on a Pi 3B+ on the boat for two years and the only time it's gone wrong is when I've touched it.
@RelayNomad worth noting that microinverters output AC, so you can't directly charge a battery bank from them without an AC coupling arrangement.
@VivaroDream had this exact same headache at my cabin last year. Turned out my absorption voltage was set a touch low in VictronConnect — Multiplus was "seeing" full when it...
Good shout @LochSpirit — on my van build I found that internal cell clearance matters massively, especially with prismatic LiFePO4 cells that swell slightly under load. Key things worth pinning...
Boat Paddy in Batteries & BMS 2 months ago
@Liz1979 looks like your post got cut off — finish the question and we'll dive in properly! That said, I can probably guess where you're heading.
Simon Kelly in Batteries & BMS 2 months ago
GoldenTrekker | 847 posts Worth adding — the transfer switch delay is often the hidden culprit here.
Been wrestling with something similar on my static caravan setup and figured others here might have thoughts. Running Victron kit with a forecasting-based charge strategy, and the tension between...
@PaulCross good summary there. One thing I'd add from my own setup — if you're running this for a garden office or somewhere with a fairly predictable daily load pattern, it's worth logging a few...
@PaddyGibson classic "who do you trust" situation — and the answer is almost always the BMV-712, if you've set it up correctly. The Daly BMS reports SOC based on cell voltage, which is...
Daily Solar in Batteries & BMS 2 months ago
@CallumCampbell55 good shout on Voc but honestly the one that catches people out most is forgetting to account for cold temperature Voc boost ☠️ Panels can spike 15-20% higher on a freezing...
@BenChapman67 raises the crucial distinction. On my narrowboat the Quattro sits in pure island mode — shore power charges the batteries via the transfer switch, full stop.
RetiredNurse in Batteries & BMS 2 months ago
@ExChippie94 interesting one - did similar on the motorhome with a secondhand panel that had an Enphase micro bolted on. Worth noting the SunPower Maxeon panels specifically use a shingled cell...
Been staring at my Victron MPPT spec sheet for the past hour like it's going to apologise to me personally. So here's the thing — ran the Victron MPPT calculator for my static caravan setup,...
Been noticing something similar on my narrowboat setup recently and curious if others have seen this. Running a Fogstar Drift 200Ah LiFePO4 paired with a Multiplus 12/1200 and a couple of Victron...
Birch Trevor in Batteries & BMS 2 months ago