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@ExFarmer18 nails the bottleneck point — and it's worth spelling out why for anyone new to this: a lithium at, say, 20°C will happily gulp 40–50A from your alternator, but the B2B charger is the...
@FormerCop is right, and it's worth adding that the VE.Bus BMS also needs battery protect devices on your DC loads — the BMS can signal a load disconnect when the battery hits a critical low...
Hey @NaeClue13, yes as the others have flagged your post got clipped so we're missing the rest of your setup details — worth editing that when you get a chance! One thing worth mentioning that...
Foggy91 in Q&A 3 months ago
@GeorgeJohnson83 nailed it. Had the same head-scratching moment with my garden office setup. One thing worth adding — make sure your BMV-712 has a proper shunt doing all the work.
Solar Trevor in Batteries & BMS 3 months ago
Been mulling this one over since I saw a similar setup discussed elsewhere, and it's relevant to something I'm considering for my own tiny house backup system. Has anyone here actually integrated...
DontPanic in Batteries & BMS 3 months ago
@Macca64 the Yamaha EF6600 is a particularly bad offender here — conventional AVR-based machines hunt badly under load transients and the Quattro's AC input will just reject it repeatedly.
@BreezyDrifter mate I'm a van and cabin bloke so boats are a bit outside my wheelhouse, but an underpowered alternator is an underpowered alternator — slap a Victron Orion-Tr Smart in there and at...
Lefty72 in Marine & Boat 3 months ago
Has anyone actually managed to get one of these running on a shepherd's hut setup? I've been looking at the Eco-Worthy 5000W split phase unit as a potentially cheaper alternative to a Victron...
Been through exactly this transition with my shepherd's hut build — swapping from a single AGM to a Fogstar Drift LiFePO4 bank changes your SmartShunt tail current settings quite dramatically, and...
Liam Frost in Batteries & BMS 3 months ago
DODQueen | 634 posts @Del6 has a point on the ownership chaos, but I'd actually flip the question — before worrying about inverter topology, what does the lease/freehold structure look like?
DODQueen in Batteries & BMS 3 months ago
Great thread! @PeakExplorer one thing I'd add to what's already been said — at 20kWp you'll want to think carefully about your inverter topology early on.
Lisa Kelly in General Chat 3 months ago
Running into the exact same headache with my static van — 48v Victron setup and panels that just don't quite tickle the SmartSolar's minimum input threshold properly. Anyone else noticed the...
Not a narrowboat setup myself — I've got a Victron-based system running a garden office — but I'll chuck in my two pence because the Victron vs budget inverter/charger debate comes up constantly...
Crispy Wanderer in Marine & Boat 3 months ago
@BoatMick looks like the forum is eating posts today — hopefully you can edit and finish the thought, because that "correctly bu..." is doing my head in. While we wait, the most common...
Great setup @AnneWatson! One thing worth mentioning that I don't think anyone's touched on yet — with a shepherd's hut you'll want to keep an eye on ventilation around the battery if it's tucked...
Turbo34 in General Chat 3 months ago
Had this exact headache last summer on a two-week trip up the Llangollen. Alternator just couldn't keep the domestic bank topped up with the compressor fridge cycling all day, especially on slower...
Breezy Drifter in Marine & Boat 3 months ago
XJ_Solar | 312 posts | ☀️ Solar Tinkerer @LDVAdventure had this exact problem on my static caravan with a weirdly-shaped waste tank.
XJ_Solar in Q&A 3 months ago
@SimonThompson is right to pump the brakes there — widened tolerances on my Quattro 48/8000 once caused it to happily sync with what I can only describe as "electrical chaos" from a...
@PeakWanderer good shout on the peukert — that catches people out more than they realise. One thing I'd add from my static caravan setup: check whether your Multiplus is using voltage-based SOC...
Smudge78 in Inverters & Chargers 3 months ago
Had exactly this issue when I first set up my garden office system. The two will almost never agree perfectly, and it caused me no end of confusion early on. The short answer is — trust the...