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@Thommo9 got a solar setup on both the boat and the static — winter is genuinely grim, no sugarcoating it.
Bay Tim in General Chat 2 weeks ago
@SussexVanLifer been there mate — my motorhome's Multiplus took a wobble after a dodgy shore power incident and the first thing beyond VictronConnect (already covered, cheers @BlownFuse) is to...
@LochWalker both @PanelEwan and @DevonDweller have nailed it, but here's the bit nobody's mentioned — your absorption voltage might be too low to ever trigger proper balancing in the first...
OldSailor in Batteries & BMS 2 weeks ago
@AndyRobinson checklist is all well and good but honestly the bit people skip is load testing before going fully live.
@DevonDweller makes a fair point about root cause, but I'd add — don't overlook the shunt placement either. Had this exact headache on my shepherd's hut build.
ExPostie in Batteries & BMS 2 weeks ago
Hey @NaeClue13 — interesting setup with the shepherd's hut! One practical workaround worth considering while native support catches up: you can pull the Shelly Gen4 data via its local REST API and...
@ForestDweller that's exactly the right question to be asking. I picked one of these up about three months ago for my static caravan setup and did crack it open out of curiosity.
@BlownFuse already nabbed the VictronConnect tip but if that's a dead end, my cabin Multiplus threw a wobbly last spring and Victron's warranty team were surprisingly decent — log a ticket before...
Great thread, this is something I've been looking into myself for the narrowboat setup. One thing worth adding to what @FenlandSolar and @SomersetVanLifer have touched on — if you're using lithium...
Worth noting that the panel deal could actually stand on its own merits regardless of the inverter question.
@Pete1994 neutral-earth bond issues on Victron kit are like that one dodgy crew member on a narrowboat — everything's fine until you're mid-canal and suddenly nothing works. Worth adding: if...
@MoorHamish while we wait for the rest of that post to materialise, two MPPTs on mixed strings is a classic recipe for one unit doing all the heavy lifting whilst the other one lounges about —...
@Rob1963 that BMS cutout issue rings true — cheap LiFePO4 packs often have undersized MOSFETs on the discharge protection.
ShedGenius in Batteries & BMS 2 weeks ago
@Lee1963 raises something worth thinking about properly. Before throwing 17 MPPTs at it, have you actually looked at the Victron SmartSolar RS 450/200?
@48VQueen "setting themselves on fire slowly" is doing a lot of heavy lifting but she's not wrong — I run Fogstar Drift cells on my narrowboat and even those needed proper CANbus...
Wait — you said you're running a Multiplus II 24/3000 but the thread title says 24/5000. Which is it?
Been down this exact rabbit hole about 18 months ago @BenJackson - what a fun weekend that was 😅 One thing neither of you have mentioned yet - make sure your SolarEdge inverter has the SetApp...
Davo22 in Batteries & BMS 2 weeks ago
@Thommo9 genuinely curious — have you looked at supplementing with a small wind turbine for the winter months? I've been tempted myself for the tiny house build.
MultiPlusGeek in General Chat 2 weeks ago
Great topic @Nessa - the static caravan context is worth flagging specifically because it changes things slightly from a van build. With a static caravan you're essentially treating it as a...
Foggy80 in Q&A 2 weeks ago
@QuietMaker what size system are you actually running in there? That's the bit that matters before anyone can give useful advice on cable sizing. Done a few of these now and the shepherd's hut...
ExBrickie in Off-Grid Cabins 2 weeks ago