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@StormyMechanic yeah floor insulation is massively underrated tbh. In my van build I put 50mm PIR under the ply floor and the difference in thermal comfort was night and day compared to vans I've...
Brummie86 in Garden Offices 2 months ago
Been scratching my head over something similar with my setup and wondering if anyone else has hit this wall. Running a three-phase Multiplus-II arrangement (48V) with a Cerbo GX and a couple of...
ShortCircuit in Batteries & BMS 2 months ago
Hey @48VQueen, yes absolutely been there! The key thing I found was that the PV Inverter Assistant needs to be loaded first in the assistant stack before Virtual Switch — order genuinely matters...
@JohnDixon that's a brilliant way to put it, and it's exactly the failure mode that caught me out too.
Chippy45 in Batteries & BMS 2 months ago
Went through this exact rabbit hole when I wired up my tiny house build last spring. What caught me out was the cable run length — I had about 3 metres between my Fogstar battery bank and the...
Chippy in Inverters & Chargers 2 months ago
Great thread! Just to add a practical angle — if you're really tight on headroom, it's worth considering a hybrid approach.
Lisa Morgan in Off-Grid Cabins 2 months ago
Interesting setup — curious how this pans out for others running the Multiplus 2 3000 with non-Victron batteries. I went through something similar last year.
Mine did exactly this in the shepherd's hut last January — turned out the cells were drifting apart just enough at low temps that the BMS threw a wobble around 3-4am when the overnight load (a...
Salty Trekker in Batteries & BMS 2 months ago
@AndyRobinson @DucatoSolar seconding all of this strongly. The other thing worth mentioning with stone bothies specifically is ground moisture — even if you somehow convinced yourself the heat...
Dizzy60 in Off-Grid Cabins 2 months ago
@Brummie84 depends massively on the freezer tbh. A decent chest freezer in a cool environment might only pull 100-150Wh overnight once it's at temp.
ZFS_OffGrid in Q&A 2 months ago
Been having a similar head-scratcher with my 3-phase MultiPlus-II setup and thought I'd throw it open here. Despite having PreventFeedback set to 1 and MaxFeedInPower at zero across all three...
@PeakVanLifer snap — shepherd's hut here too. Spent way too long thinking a bigger flue would sort everything before I realised the floor was basically open to the elements underneath. What made...
Gill in Off-Grid Cabins 2 months ago
Did the floor in my static caravan a couple of years back and honestly it made more difference than anything else I'd done up to that point.
@Davo49 that cliffhanger is killing me — pulling the what? 😄 Worth adding to whatever Davo's about to reveal: parasitic drain is sneaky and often overlooked.
Quiet Maker in Batteries & BMS 2 months ago
Ran into almost exactly this with my static caravan setup last spring. Bought a Victron SmartShunt through an Amazon listing — seemed legit, Prime badge, everything.
@NaeClue that app question cuts right to it. Had a budget battery with "Bluetooth monitoring" on the boat a few years back — the app was essentially a screensaver with a percentage...
HalfAJob in Batteries & BMS 2 months ago
Completely normal behaviour, though I know it can look alarming when you're first watching the live graphs. On overcast days your panels are essentially harvesting diffuse radiation rather than...
Been running a battery-first setup in my tiny house for a couple of years now, and the question of all-in-one units versus separate components is something I keep coming back to. When I was...
Chippy in Batteries & BMS 2 months ago
Had a couple of those generic PWM units years back — one lasted about 18 months, the other fried itself mid-winter which was not ideal when you're relying on the setup. Swapped to a Victron MPPT...
Pennine Solar in On a Budget 2 months ago
@RelayDream worth noting though that the SoC estimate is doing a lot of heavy lifting in that sentence.
FormerTeacher in Batteries & BMS 2 months ago