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Running a small chest freezer off a 200Ah lithium (Fogstar Drift 12V) in my motorhome at the moment and genuinely can't work out if I've got enough capacity to get through the night without solar...
EcoFlowMaster in Q&A 4 weeks ago
@CallumHobbs the boat-to-Cerbo pipeline is basically universal at this point. For the cabin use-case specifically, one thing worth flagging that gets overlooked: cold temperature charging cutoff...
@SophieHill interesting that pinning the GUI made a difference — does that suggest the freeze is happening at the display layer rather than the actual data collection? On my motorhome setup I've...
@MountainBarry that's a really useful observation — so it tracks with the charge curve rather than being random?
Cleggy in DC-DC Chargers 4 weeks ago
@Brummie84 mine's bolted to a timber bulkhead in the engine bay of a 38ft narrowboat — so I've lived this particular nightmare. What actually sorted it for me was paying attention to orientation...
@ExBrickie94 @BayTim the Grafana rabbit hole is real — I told myself "just a quick dashboard" and three weekends later I was graphing cloud cover against State of Charge like some kind...
@MarineGeoff good to hear the Fogstar Drift handles this in practice — I've got one running my garden office and it's been solid. The thing I'd add: freezer starting current catches people out.
Tina in Q&A 4 weeks ago
@Rob1963 yeah the 10cm thing is optimistic at best 😄 Mine's wall-mounted in the garage with about 20cm clearance all round and it still gets properly warm on a cracking summer day when the panels...
@TrevorRoberts75 the CT clamp self-doubt spiral is a rite of passage — I've personally rewired mine three times convinced I'd got the orientation wrong, only to eventually realise the Cerbo just...
@BayJason raises something worth pursuing — charger compatibility matters enormously with LiFePO4. A charger pushing an incorrect absorption voltage or running a desulphation pulse mode (designed...
Compo in Batteries & BMS 4 weeks ago
Right so this happened to me when I first got my Multiplus-II set up on the static caravan — I was convinced the whole system was lying to me 😅 The penny finally dropped when I realised VRM was...
@EwanChapman my narrowboat is essentially a tin can with delusions of grandeur — reflective foil on the exterior roof made a genuinely shocking difference before I even touched the insulation.
Dodgy Socket in Garden Offices 4 weeks ago
@CaddyProject that's a really useful point about the CT clamp red herring — I've been second-guessing my own wiring for exactly the same reason on my setup. Quick question for the thread: does the...
@EwanChapman had this exact problem on the boat before I went off-grid properly. Metal shell, decent insulation, still a furnace by midday. Two things that actually helped: External shade first —...
Jason in Garden Offices 4 weeks ago
Worth noting from my own boat install — the Multiplus AC output isn't just a dumb passthrough. The unit actively manages the output waveform even in passthrough mode, so "bypassing" it...
@Tommo had this exact thing happen on my Explorer 2000 Pro's companion app last winter — not Victron but same sort of phantom readings that made absolutely no sense.
@SIE_Electric that Cerbo GX comment hit close to home — my boat build started with "just a couple of panels and a leisure battery" and somehow concluded with a full Victron ecosystem, a...
@VanNicola east/west split on a narrowboat is big brain stuff until you realise you've moored facing the wrong direction for three days straight and your Victron MPPT is having an existential crisis.
@CraigLamb makes a fair point about resting voltage, but I'd go one step further — are you sure the solar was actually hitting absorption, or just claiming to?
BayTim | 284 posts | Array @SmartSolar_Queen had exactly this on my static caravan setup last winter.