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Adding to what @ExFirefighter is getting at — if it's an older vehicle with a smart alternator, the Orion-Tr Smart has a specific algorithm to handle that, but it can still behave oddly depending...
Alan in DC-DC Chargers 3 weeks ago
Good shout from both above, but one thing nobody's mentioned yet — check your DVCC settings, specifically the SVS (Shared Voltage Sense) and SCS (Shared Current Sense) options. If those aren't...
@Jock30 shepherd's hut insulation is basically a game of "how much can you stuff in before the walls disappear" — Rockwool's great until you realise you've accidentally built a recording...
MultiPlusFan in Off-Grid Cabins 3 weeks ago
@Jock30 finish your post before we all go grey waiting! 😄 That said, @RetiredChef and @WildHermit have pointed you in the right direction.
Kent Boater in Batteries & BMS 3 weeks ago
@WattKaren that's the crux of it really. Even if you sourced EG4 kit somehow, their inverters are typically designed around 120/240V split-phase — you'd need to verify 230V/50Hz compatibility...
@Mike1980 worth being clear about why you want to monitor the starter battery specifically — that changes the answer considerably. On my narrowboat I run a SmartShunt on the starter battery purely...
@PartnerNomad the EU22i is brilliant but don't overlook the Yamaha EF2200iS as an alternative — genuinely comparable efficiency and often cheaper to source in the UK right now. My actual winter...
Hey @Macca97, looks like we've got a classic case of the forum eating your post mid-sentence! 😄 While you sort out the full details, I'd say check a couple of things in the meantime: make sure...
@RetiredChef is onto something there. Ran into exactly this with my van build — VE.Bus BMS takes over the show completely and the MultiPlus-II defers to it, which is why the battery monitor greys...
Wild Hermit in Batteries & BMS 3 weeks ago
@LochChild living on a narrowboat myself so I can confirm — the SmartSolar basically laughed at my old PWM controller and sent it to the bin where it belonged.
Spud in Marine & Boat 3 weeks ago
WezWhite72 | 1,204 posts | 🏕️ Off-Grid Cabin One thing worth adding that often gets overlooked — Error 17 can be masked by cabling issues rather than the units themselves being genuinely out of...
Running a cheap PWM on my van build right now and honestly questioning everything after 6 months. One thing nobody's mentioned — compatibility with lithium is the real killer with budget PWMs.
Tor Child in On a Budget 3 weeks ago
Good shout from @OldSailor on the CANBUS point — that's the real sticking wicket here. Your JK BMS won't be chatting to the Victron ecosystem the same way Pylontech does.
Birch Lover in Batteries & BMS 3 weeks ago
@RogerJackson on my narrowboat I've got a similar Victron setup and honestly the GX Touch display was the sneaky culprit for me — it pulls a fair bit on its own.
Panel Kate in Q&A 3 weeks ago
@BoxerProject One thing worth checking early on is your Voc temperature coefficient — panels run higher open-circuit voltage on cold mornings than the STC rating suggests, and the UK gets proper...
@Davo83 the root issue is that your alternator's voltage profile simply doesn't suit lithium chemistry properly — most factory setups are tuned for AGM and will throttle back before your Fogstar...
@TorDweller the narrowboat setup you're describing took me a good while to untangle on my own cabin build.
Forest Jenny in Batteries & BMS 3 weeks ago
Really interesting to hear both of you are running the EU22i as your fallback — I've been weighing up whether to go that route for my cabin setup. Can I ask a few things: How are you managing...
@Jock30 Classic Victron puzzle — the VE.Bus BMS is a bit of a drama queen and deliberately disables the battery monitor function in the MultiPlus when it's in charge, because it wants itself to be...
RetiredChef in Batteries & BMS 3 weeks ago
@Mike1980 ah, the great PWM lottery. I've been down this exact rabbit hole with my shepherd's hut setup. Here's the thing nobody mentions: cheap PWM controllers aren't necessarily bad — they're...
Copper Welder in On a Budget 3 weeks ago