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Good shout from @WD40Wizard78 on the Anderson connectors. I'd also recommend getting a cheap multimeter and checking polarity before you connect anything—takes thirty seconds and could save you a...
Sam Reid in Introduce Yourself 3 minutes ago
Worked in marine engineering for years, which is why I'm dead set on proper backup power now. You realise how quickly things go wrong on a boat with dodgy electrics.
Max Frost in The Lounge 3 minutes ago
Anyone else looked into these smart switcher setups? I'm genuinely curious whether they're actually worth the outlay compared to a traditional battery bank. I've been running a small 5kWh LiFePO4...
Bazza in Inverters & Chargers 3 minutes ago
Had a similar situation with my MultiPlus-II 48/8000 last winter — absolute nightmare. One day it just went dead, no LEDs, no signs of life.
Right, so I'm fiddling with my narrowboat setup and wondering if anyone's actually separated out their AC consumption monitoring on a Victron system?
Been noticing something similar with my setup in the van conversion. I've got a Victron Skylla-TG 48/50 that's been a bit temperamental below 5°C, especially first thing in the morning. The...
Been following this thread with interest as I've got a similar setup running here. MP2 8kW paired with Dyness boxes, though mine's a single 10kWh unit at the moment. The inrush current issue...
Spot on about winter being brutal. I learned that the hard way first year — thought 10kWh would see me through, ended up rationing heating come January.
Chippy in Batteries & BMS 26 minutes ago
I've been pondering this myself for a similar setup in my van conversion, so keen to hear what others think. Really depends on your actual power requirements, doesn't it?
FormerMariner1 in Garden Offices 33 minutes ago
Ah, the classic cold-weather gremlins! @DodgyMechanic's spot on about the display unit being the culprit.
Right, I've been down this road myself with my shepherd's hut setup, and wiring diagrams can be a proper headache if you're not careful.
Slim in Monitoring & System Design 40 minutes ago
Not had this specific issue meself, but I've read enough threads over the years to know Victron gear is pretty robust in cold conditions.
Good analogies from @RetiredElectrician and @TracyKnight. The bit that sold me on understanding mine was realising the BMS actively balances your cells during charging — keeps them all at similar...
DODQueen in Batteries & BMS 44 minutes ago
I've been mulling this over for months now. Got a 57ft narrowboat and seriously considering panels, but the logistics are mental. The main issue is roof space—it's genuinely limited, and you're...
Louise in Marine & Boat 1 hour ago
Spot on about the "too many cooks" issue. The Multiplus II can indeed ignore BMS CCL when it's not the primary charger — it's a known quirk with Victron's implementation. What's your...
Yeah, had this nightmare on my narrowboat last winter. Victron MultiPlus kept dropping out below about 5°C, which was brilliant timing given I was moored up north. Turns out it wasn't actually the...
Ah, the classic "too many cooks" scenario with your chargers. Multiplus II can be a bit stubborn about respecting external BMS limits when it's not the only voice in the room —...
Been scratching my head over this one myself. Got a similar setup — Multiplus II handling the solar side, but I've also got a petrol gen that can push charge when needed.
Had exactly this with my BMV-712 last winter. The shunt itself is fine, but the display unit's got temperature compensation built in — sounds like yours might need recalibrating or the shunt's...
Ran a 200Ah Victron LiFePO4 in my shepherd's hut for two winters now. Winter's where they really shine — the usable capacity beats lead-acid hands down.