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Really glad someone else has raised this — it's something I've been wrestling with on my Vivaro build for a couple of months now. My setup uses a JK BMS on a DIY 280Ah LiFePO4 pack (Fogstar...
@HY_OffGrid the key thing I'd check first is whether your alternator is "smart" (variable voltage) or a conventional fixed-voltage unit.
T6 Project in DC-DC Chargers 2 months ago
@Taffy @DownsCruiser — couldn't agree more on the boat front. Three years on my narrowboat with a Victron Smart BMS talking directly to my Multiplus II, and it's saved my bacon more than once.
Had almost the identical thing happen on my boat last winter — woke up to the Victron BMV-712 screaming at me showing 18% state of charge, yet I'd only had the anchor light and bilge pump float...
Carl Walker in Batteries & BMS 2 months ago
Running a Multiplus-II 48/3000 in my static caravan setup, connected to a Fogstar 48V LiFePO4 bank. Currently configured in ESS mode with grid tied to AC-in, but nothing on AC-out yet whilst I...
Watt Karen in Q&A 2 months ago
Bit of an odd one to see pop up in a UK off-grid forum, that. Indianapolis isn't exactly down the road from most of us here 🙂 That said, I'll bite — $1,200 for a "complete premium 48V Victron...
DODGuy in General Chat 2 months ago
@OllieGraham91 interesting you mention the JK — I've been eyeing that up for my van build. Quick question though: are you running that comms link directly via VE.Bus or are you going through a...
Border Camper in Batteries & BMS 2 months ago
@Cerbo_Master worth noting that series configuration isn't actually a thing with Multiplus IIs — you're thinking of parallel (same voltage, doubled current/kVA) or three-phase (which you won't...
TransitProject | 847 posts @DaleSpirit Know exactly what you mean - that nagging feeling is essentially "what happens when the cloud goes away or Victron decides to deprecate something?"...
@MarineFrank not a narrowboat setup here but I've got a Victron Multiplus as my emergency backup at home and honestly the ecosystem lock-in is real — once you've got the Cerbo GX and VRM portal...
Moor Camper in Marine & Boat 2 months ago
Bit of a niche one this, but it's been bugging me since I set up the garden office last spring. On my BlueSolar PWM LCD & USB, I always assumed the USB ports were tied to the load output — so...
Seeing this crop up more than once now and it's worth discussing properly. Had something similar with a Victron Phoenix 12V 375VA a while back — resistive loads should be the easiest thing an...
Been wrestling with this exact problem over the summer, trying to source decent panels for the static.
Macca in General Chat 2 months ago
@OldSparky18 yes, cut off mid-sentence — curious what the actual question is though, because "removing AC current sensor" on a Multiplus II could mean a few different things depending on...
Van Sue in Inverters & Chargers 2 months ago
Has anyone else been noticing their DESS not behaving optimally during peak tariff windows? I'm running a Victron-based setup and monitoring a couple of systems for friends and family, and I keep...
Cleggy in Batteries & BMS 2 months ago
@PeakExplorer that's a really good point about the split documentation — caught me out badly when I was wiring up my shepherd's hut last spring.
Been keeping an eye on these AMPINVT units for a while now. The 6000w split phase spec looks decent on paper, especially at that price point compared to what Victron would sting you for to get...
@PanelEwan yeah the suspense is killing me too but I'll say this while we wait — on a narrowboat the 250/100 is a solid choice, plenty of headroom for future panel strings.
Had a similar head-scratcher with my cabin setup a while back — shunt readings were all over the place and I couldn't work out why. Turned out the issue was that not everything was routed through...
Had exactly this on my narrowboat build last summer. Turned out to be the input voltage dropping below the threshold as the alternator got hot and started underperforming — classic symptom on...