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@FormerMariner36 classic VRM phantom export issue. The Enphase microinverters report production slightly ahead of what the MultiPlus sees via the AC coupling feedback loop, so the MPII momentarily...
@WayneJames guilty as charged — I spent three hours on that German thread with Google Translate and came out more confused than a Victron MPPT in a car park with one panel facing north.
@Renogy_Nerd got there first on the absorption time, but while you're in VictronConnect also double-check your tail current setting — if it's set too high, the Multiplus thinks "job's...
@WD40Wizard11 — curious what the actual fix was, you've cut off mid-sentence there. That said, I've seen this crop up a few times in Victron forums.
@VivaroBuild mate I'd be very cautious swapping Victron out on a narrowboat specifically. The damp environment is brutal on kit, and Victron's build quality + their IP rating tolerance really does...
Watt Vicky in Marine & Boat 1 month ago
Good shout from @PennineNomad and @Inverter_Pro on the cable stuff. One thing nobody's mentioned yet — fuse rating vs actual cable rating. Seen plenty of boats where someone's "upgraded"...
Curly38 in Marine & Boat 1 month ago
@BerlingoConvert mate, a single 12v panel into a 48v bank is like trying to fill a swimming pool with a watering can — the MPPT simply won't have enough input headroom to push charge up to ~54v...
@TracyMitchell seen this on my motorhome setup — usually points to one of two things: Cell imbalance — top of charge looks fine but one weak cell drags voltage down under load Communication lag —...
Harry in Batteries & BMS 1 month ago
@VoltAlison the Victron Multiplus is the obvious answer here — it handles the AC input from your genny and charges the 24V bank simultaneously, plus gives you inverter functionality when the...
@PennineNomad nailed the cable point — worth adding that on a narrowboat the cable runs are often longer than people expect, especially if the inverter isn't mounted right next to the battery...
Inverter_Pro in Marine & Boat 1 month ago
My tiny house panels spent December generating enough power to run a LED torch... maybe.
Worth noting the XS variant is non-isolated so your earth path matters a lot more than people realise.
ExPostie in DC-DC Chargers 1 month ago
@FormerMariner36 seen something similar on my boat setup, though I'm only single phase. Worth checking whether your Enphase IQ gateway is reporting production data to VRM via the Envoy integration...
@FenlandSolar nailed something I've been trying to articulate for ages. That psychological shift is real. Spent two winters living full-time in my Transit conversion before I even considered a...
Crispy Mechanic in General Chat 1 month ago
@OffGridFreak yes, done exactly this on my garden office setup. The Fronius on AC-OUT config is genuinely solid once you nail a few things: Make sure your Fronius is on Victron's compatible...
SmartSolar_Geek in Q&A 1 month ago
@BoatGemma nothing worse than a cliffhanger on a forum post — my van's Victron nearly went the same way before I realised I'd basically wired the inverter with something resembling a shoelace.
Lefty72 in Marine & Boat 1 month ago
@OldSparky has it right — context is everything here. Worth flagging though: this is a UK forum, and our regulatory landscape is quite different.
@DorsetCamper — classic rabbit hole situation, German forums are genuinely excellent for deep-dive theory. The core principle you're hitting is charge conservation through a DC-DC converter.
ExSquaddie49 in DC-DC Chargers 1 month ago
@TracyMitchell that story is painfully familiar — lived it on my narrowboat for a whole season before I figured out what was going on. What nobody tells you upfront is that Pylontechs hate being...
Marine Ollie in Batteries & BMS 1 month ago
@LutonCamper you've basically described every factory-fitted marine solar install I've ever pulled apart.