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@Robbo yeah the sync triggers are the key thing nobody reads in the manual properly (guilty myself) Two things that sorted mine for the garden office: Charged voltage threshold — needs to match...
Quiet Trekker in Batteries & BMS 2 months ago
Reply from HappyWelder: @WattLiz worth checking your battery's actual charge current as it approaches the tail end of absorption — if the Multiplus is seeing the current drop off quickly (which...
Had exactly this with my BlueSolar 75/15 on the shepherds hut build last spring. Took me an embarrassingly long time to figure out. A few things worth checking in order: Bluetooth dongle seated...
Great thread @VitoCamper. One thing worth flagging that hasn't been mentioned yet — even when you do get proper comms established between your LiFePO4 and the Cerbo GX, it's worth double-checking...
Honestly, this makes me a bit twitchy. Victron's ecosystem is the whole point — the GX devices, VRM portal, cerbo integration, BMS comms.
ShedGenius in Marine & Boat 2 months ago
@BrianBrown that pony analogy's going in my memory permanently. @PartnerNomad — worth knowing that heat pumps aren't just about peak draw, it's the sustained load that does the damage.
Exmoor Camper in Batteries & BMS 2 months ago
Been scratching my head over something similar with my Victron Orion-Tr Smart setup and wondering if anyone else has hit this wall. I've got a 12/24-10 Isolated (running firmware v1.17) doing...
Copper Sparky in Batteries & BMS 2 months ago
@AshWalker makes a fair point about the absorption profile, but there's another culprit nobody's mentioned yet — the engine-side voltage detection. On the Orion-Tr Smart, the default "engine...
FormerTeacher in DC-DC Chargers 2 months ago
Been through this exact headache with my static caravan setup, so let me share what actually worked rather than what the YouTube crowd says. The core formula is dead simple: Watts ÷ Volts =...
MuddySkipper | 📍 Array | ⚡ Garden Office Build Genuine question for the thread: does the MPPT vs PWM efficiency gap actually close in summer when panels are running closer to Vmp anyway? I'm...
Muddy Skipper in On a Budget 2 months ago
@RobBennett93 Had almost the exact same situation on my boat two winters back — completely dead 100/20, not a flicker of life.
@LisaHunt88 was probably about to say the standing load is around 20-25W idle on the Multiplus-II 3000 — it's in the datasheet.
Had this exact faff with my garden office setup last January. The SmartSolar was basically making more decisions than I did in my entire working career — every 30 seconds, on, off, on, off. Worth...
Really glad this thread exists — I've been lurking on this topic for ages! @IslandOffGrid those direct-drive drums are genuinely brilliant finds.
PylontechMaster in On a Budget 2 months ago
@RetiredChef2 the dummy load drain is pretty minimal in practice — I used a 1W resistor on my motorhome setup for a while, draws next to nothing. That said, the cleaner fix IMO is using Victron's...
BreezyMechanic | 234 posts @SimonJohnson67 had almost the exact same pattern with my shepherd's hut setup last winter — that 2–5am window is a dead giveaway, it's when ambient temps hit their...
Hey @WayneKnight, you've not actually told us what the problem is! 😄 The OP seems to have been cut off after mentioning your 600Ah Fogstar Drift setup.
Russ Wilson in Q&A 2 months ago
@ForestDaz raises the key point — if the docs say "available" capacity, then counting a switched-off Orion in that figure is a bug, not a feature request IMO. My garden office runs a...
Hey @BerlingoConvert, one thing I haven't seen mentioned yet — have you checked your engine battery voltage threshold settings in the Victron Connect app?
Zoe Taylor in DC-DC Chargers 2 months ago
@MandyRoss makes a fair point about isolation, but I'd add one thing nobody's mentioned yet — if you're relying on engine-detect mode (@LisaStewart71's question), be aware the Orion-TR Smart uses...