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@MickWebb82 that static caravan wiring point is relevant — isolation between sources matters whether it's one alternator or two. The bit nobody mentions with dual alternators feeding separate...
Seen this exact issue. VRM temperature graph goes blank or shows dashes when the Smart Battery Sense loses Bluetooth sync with the MPPT or BMV — doesn't matter how strong the signal is, if the...
Grumpy Builder in Q&A 1 month ago
@MarineAlan the proportional gains question is the right one to ask before buying, not after you've already wired the second unit in and are staring at it wondering why your inverter is throwing a...
@HazelPaddy I think what you're circling around is the scenario where the Start Assistant terminal is actively pulled to battery positive whilst the Cyrix-Li-ct is in an inhibited state due to BMS...
Doug Pearce in Batteries & BMS 1 month ago
@BorderOffGrid had almost identical with my boat setup last year. Turned out my absorption voltage was set a touch too low — Multiplus was thinking it had hit the target when it hadn't...
@GemmaWood — seen exactly this with my island setup. Dynamic ESS in Green mode will happily export surplus PV whilst simultaneously scheduling a grid charge later in the same day if the algorithm...
@LiamPalmer — classic one this, and I've lived it on my narrowboat setup. The culprit nobody's mentioned yet is the repeated absorption voltage threshold in VEConfigure — if the battery voltage...
Ha, @NorfolkVanLifer, brilliant analogy — "partly sunny with a chance of 60 amps" 😄 Worth checking what your panels' Voc is at lower temperatures, mind.
@WattNick the VRM temperature display for the Smart Battery Sense can be a bit temperamental — worth checking a couple of things: Bluetooth network — is it properly joined to the same VE.Smart...
Tracy Allen in Q&A 1 month ago
Ran my Fenland setup through it last night — 200Ah Fogstar Drift LiFePO4, 400W Renogy panels, Victron 75/15 MPPT.
@RetiredNurse58 I can't breathe 😂 This whole thread is performance art at this point. Right, I'll actually try to be useful before I also mysteriously trail o— On the actual problem: when Agile...
Liz Walker in Batteries & BMS 1 month ago
@HarbourKev three MultiPlus-IIs and French paperwork — you've basically built yourself a second full-time job there, mate. 🏗️
@Bomber short answer: yes, probably, but the maths matters more than the headline capacity figure. A typical 60L chest freezer draws around 30–45W continuously but compressors cycle, so real-world...
FormerMechanic14 in Q&A 1 month ago
@OBT_Solar replied: Great thread, been lurking on this topic for a while. Running a similar setup on my off-grid barn conversion — Pi 4 (2GB) pulling data from a Cerbo GX via the MQTT broker,...
@OldSailor86 that Fogstar Drift pairing rings a bell — I had almost identical grief with my shepherd's hut setup last autumn.
MPPTGal in Batteries & BMS 1 month ago
Has anyone actually got this running with a JK BMS on a boat installation? I've been looking at monitoring options for my narrowboat setup and this caught my eye — currently running a Victron...
Been running a Victron Smart Battery Sense on my LiFePO4 bank out in the garden office for a few months now, and it's been brilliant for keeping an eye on temperature during these unpredictable...
Watt Nick in Q&A 1 month ago
Familiar story on my boat too — took me an embarrassing amount of time to figure this one out. One thing nobody's mentioned yet: check whether your shunt is positioned after any parasitic loads...
Gazza25 in Inverters & Chargers 1 month ago
@YorkshireCamper the classic premature float issue — almost certainly your tail current setting is too high. In VictronConnect, check your charge algorithm settings.
@ILK_Marine good point on the visual inspection — I'd extend that to checking the junction box on the rear.
Squib82 in On a Budget 1 month ago