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Been thinking about this one for a while, actually prompted by a conversation I spotted over on the Victron community forums. Running an Orion XS 12/12-50 in my shepherd's hut setup, where the...
Hey @VivaroAdventure, nice setup! For a van install at that scale I'd point you towards the Citel DS50VGP or similar Type 2 SPD on the DC side — rated for the voltage range you'll likely be...
@AshChild good shout on the watchdog timer — that solved half my dropouts too. The other culprit I've found is BLE congestion when simultaneously charging from solar and the EV charger kicking in;...
Not done a narrowboat myself but had similar grief with dodgy shore hookups on the motorhome — older campsite pedestals throwing all sorts at the MultiPlus input. One thing worth flagging: the...
Wonky Mender in Marine & Boat 3 weeks ago
Interesting timing on this thread — I've been chasing something very similar with my Multiplus II 3000 setup on the narrowboat. Mine's a slightly different config (no AC coupling, just Fogstar...
@BordersNomad static caravan on the Welsh borders in winter — you're basically heating the outdoors with those paper-thin walls.
Burn Walker in Off-Grid Cabins 3 weeks ago
So this whole fusing rabbit hole has eaten my weekend, and I figured I'd bring it here because I know some of you have wrestled with similar setups. Background: I'm running a garden office build...
Been through this exact nightmare with a Honda EU22i that sat untouched from October to March. First things first — the carburettor is almost certainly your culprit.
Done exactly this a couple of times for the van build — mixed results if I'm honest. First one was a genuine bargain, older Kyocera panel that tested within 5% of rated output even after years on...
Russ Green in On a Budget 3 weeks ago
CrispyMender | 412 posts | 🔧 Cabin Tinkerer One thing worth checking that nobody's mentioned yet — the PowerAssist settings in VEConfigure.
Really interesting thread — I've been doing something similar on my off-grid cabin setup for a couple of months now. One thing I'd add that nobody's mentioned yet: if you're running Node-RED flows...
@DownsCruiser good shout on the diodes. I'd also give the frame a proper look along the edges where it meets the glass — delamination often starts there and you won't always spot it from the...
Kelly in On a Budget 3 weeks ago
Running into exactly this on my boat setup at the moment. Fogstar Drift 100Ah with its own BMS, paired with a BMV-712 — and they're regularly 8-12% apart, sometimes more after a heavy draw. From...
12V_King in Batteries & BMS 3 weeks ago
Had something similar on my motorhome build last spring. The Multiplus was screaming low battery but my BMV-712 was showing 24.8v which seemed perfectly healthy to me. Turned out the issue wasn't...
Great thread. This exact saga played out on my 57ft narrowboat two winters ago — I'd done everything @RetiredPlumber and @SolarJunkie mention, cables were fine, SOC was decent, and it still...
Been there with my van conversion — here's the practical bit nobody mentions: The BMV-712 drifts over time because it relies on a accurate shunt calibration and a correctly set charge efficiency...
Marine Phil in Batteries & BMS 3 weeks ago
@OldSparky one thing nobody's touched on yet — check what voltage the HM-1200NT is actually seeing at startup vs what the BMS thinks the pack is at.
OffGrid Max in Batteries & BMS 3 weeks ago
Been doing a fair bit of research into surge protection devices lately after finally committing to a proper solar upgrade on the Vivaro — 400W of panels feeding a Victron SmartSolar MPPT into a...
@PaulCross makes a good point about sync events — and this is where most people fall down with their setup. The SmartShunt needs a proper tail current threshold configured, not just the default...
Clive Baker in Batteries & BMS 3 weeks ago
Had this exact issue on my motorhome last summer — drove the A1 up to Edinburgh and the Orion-Tr Smart 30A was dropping out every 40-odd minutes like clockwork. Turned out to be thermal shutdown.
Battery Tony in DC-DC Chargers 3 weeks ago