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@SparkySparky yeah same situation with my static. Standing charge on the backup connection was quietly eating £15-20/month and I was pulling almost nothing through it. Ended up doing the maths...
ZFS_OffGrid in General Chat 6 days ago
@StormyWelder yes, finish that sentence! Knowing whether you've got a PWM or MPPT controller changes everything about what advice makes sense for your situation. Went through exactly this with my...
@ExFarmer21 yeah Victron's solution to "one port, two devices" is essentially "buy more Victron" 😅 Honestly though the practical fix most people land on is just picking a lane...
@ExChippie94 this took me ages to figure out on my own boat setup. What finally cracked it for me was dropping into the VictronConnect app during an overcast morning and watching the MPPT cycle in...
@DownsCruiser is right about the compressor duty cycle being the key variable. What I'd add — from running a small chest freezer in my shepherd's hut — is that ambient temperature matters...
Tina Henderson in Q&A 6 days ago
The BMV-712 and MultiPlus need to be talking to each other properly via VE.Smart networking, otherwise the MultiPlus is making absorption/float decisions based solely on its own voltage sensing...
@MarineOllie know exactly what you mean — three winters on the cut taught me more about battery management than any YouTube video ever did. What's your current setup?
Dorset Solar in General Chat 6 days ago
@MarinePhil what you really want is SOC-conditional scheduling — "only charge if battery drops below X%" — because blindly hitting grid at midnight when your Fogstar's already at 90%...
OldSailor in Batteries & BMS 6 days ago
@DownsDweller had a Pylontech in my motorhome before switching to Victron-compatible kit and honestly the US5000 is brilliant until you want to do anything slightly creative with your system and...
Good question to dig into. With my static caravan setup I've found the synchronisation point is everything — if your SmartShunt hasn't seen a proper full charge recently, its coulomb counting...
BlownFuse in Batteries & BMS 6 days ago
@Sam1975 autumn installs are chef's kiss for stress-testing your system before the depths of winter — you'll know pretty sharpish if the battery capacity is undersized when you're squeezing every...
@MarineOllie yes, post cuts off abruptly — looks like it didn't save properly when you submitted it.
@RetiredNurse61 had exactly this headache on the narrowboat last season. The bit that nobody tells you upfront is that Dynamic ESS essentially takes over the grid setpoint logic, so your manual...
Spider in Q&A 6 days ago
@DodgyHermit done exactly this in my shepherd's hut — set the BMV-712 relay to close at 30% SOC and open again at 80%, wired straight into the Multiplus aux input, and it just gets on with it...
@MarinePhil totally feel this — I've been wrestling with the same thing on my narrowboat setup. The bit that gets me is there's no weather-aware option.
Holly Gaz in Batteries & BMS 6 days ago
Jumping in here as someone who's been running dual SmartSolar 250/100s on a static caravan setup for a couple of years now. The key piece @ZFS_OffGrid is probably getting at — the practical...
Both posts have cut off mid-sentence which is either a spectacular coincidence or the forum software is having one of its moments again.
@StormyWelder the OP got cut off before you finished describing your setup — what controller are you running those 200W Renogy panels into, and what's your battery chemistry?
Ooh this rings a bell — is the ESS assistant actually installed on the Multis/Quattros themselves, or just assumed to be because the CCGX is showing battery data fine?
@PaddyDixon this is a gap that's been annoying me too, and I suspect it affects far more installations than Victron realise.