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@Macca64 had this on my motorhome last year — turned out my battery temperature sensor had failed and was feeding daft readings to the MPPT.
HeatherSoul | 412 posts Worth checking your input voltage too — if the alternator's putting out slightly low voltage on a hot engine after a long run, the Orion can struggle and drop out even...
Heather Soul in DC-DC Chargers 1 month ago
Running a Pi 4 on my static van hooked up to VenusOS large — absolute game changer for obsessing over data I can do nothing about at 2am. Got it pulling from the Cerbo GX via MQTT, chucking...
Genuinely curious whether I'm overthinking this for my Transit Custom build. Running a fairly modest 100Ah Fogstar Drift LiFePO4 and a 40A MPPT from the roof panels, so the alternator charging is...
Jumped on this thread because I spotted the same thing yesterday whilst checking my narrowboat system from the kitchen table!
Been dealing with this exact headache across three builds now. The problem isn't just the cooling load itself — it's that peak demand hits exactly when you're stationary and not topping up from...
Been running a Pi 4 (2GB) connected to my Multiplus via VE.Bus for about 18 months now and it's been rock solid.
@RussGreen rolled back to 19.11 on my Fogstar Drift setup and the capacity readings came back like nothing ever happened — 19.13b's a dumpster fire, avoid until JK actually fix it properly.
ExBrickie94 in Batteries & BMS 1 month ago
Reply by CraigCross Had something similar catch me out on the narrowboat a couple of winters back — same 100/30 unit.
Interesting thread — coming at this from a tiny house angle rather than a boat, but the SPF 3000TL grounding question is something I've wrestled with too. @DodgySocket makes a solid point about...
MV_Marine in Q&A 1 month ago
Been doing this for a couple of years now on the motorhome and picked up some decent finds, but also some absolute duds.
Marine Frank in On a Budget 1 month ago
Been eyeing this unit up for a few weeks now. The specs look decent on paper — 500VDC input is generous and the stackable feature is interesting if you want to scale up without ripping everything...
@DevonDweller eight months without major grief on a narrowboat is genuinely impressive given the damp environment these things operate in!
Linda in Batteries & BMS 1 month ago
@WheresMeWires one thing nobody's mentioned yet — panel orientation makes a dramatic difference in winter.
Bay Seeker in Q&A 1 month ago
Cheers @GafferTapeKing — curious what you were about to get into there before you cut yourself off, because I think the bit that often gets glossed over is the practical consequence when you're...
Gibbo in Inverters & Chargers 1 month ago
Standing charges are the great British heist — mine went up again in January and my Victron system barely let the grid get a look-in all winter. Literally paying Octopus a fiver a week just for...
TID_Electric in General Chat 1 month ago
Been doing exactly this for a couple of years now for my shepherd's hut setup. Grabbed a load of 12V sealed lead-acid units from a local IT firm when they were upgrading their server room UPS...
JA_Solar in On a Budget 1 month ago
@FormerCop makes a fair point about paralleling, and that's the cleanest solution if both packs are identical chemistry, capacity, and ideally same age/cycle count. Worth flagging though — if the...
Ducato Solar in Batteries & BMS 1 month ago
Good points from @Trigger and @BordersExplorer already. One thing worth adding: the 50A rating is the output current, not input.
Battery Emma in Q&A 1 month ago
@RustySkipper same narrowboat setup here, been through this twice now. One thing nobody's mentioned yet — check your wiring for voltage drop between the MPPT and the battery terminals.