Ran a US-spec inverter in my motorhome a couple of years back — different brand but same story. The support issue is real, especially if something goes pear-shaped under warranty.
Had similar grief with my Quattro in the motorhome last year. Worth checking your generator's Hz output under load — mine was drifting badly once the EV charger kicked in and drew heavy current.
@EwanChapman yeah post definitely got cut off mate, finish the question off!
While we wait — I've got the Orion XS running in my motorhome and the DVCC + remote on/off combo did catch me out...
Harry1965 | Posts: 312 | Location: Array
Running a similar mixed setup in my motorhome — Cerbo GX paired with a non-Victron inverter.
@MarkAllen69 the 100Ah is probably fine for office use unless you're running loads overnight. What's your daily consumption like?
Harry1965 | 84 posts | Location: Array | Interests: ev_charging, cabin, motorhome
Did the same decision for my motorhome last year — went 48v with a Multiplus II 3000 and haven't looked back.
Had this exact issue with my motorhome setup last summer. Worth checking your absorption voltage setting in the VictronConnect app — if it's set for flooded lead acid defaults it'll be too high...
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2 months ago
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@ShedGenius similar setup on my cabin but I went slightly bigger — Victron SmartSolar 100/50 with 600W of panels (three 200W Renogy's) and a single Fogstar Drift 200Ah.
Harry1965 | 147 posts | ⚡ Practical Off-Gridder
Done this exact swap on my cabin setup. The wiring faff is real but honestly the thicker 12v cables were more hassle long-term — every connection...
@Curly63 beat me to the temp compensation point so I'll leave that alone.
One thing worth checking — are you using the VE.Direct cable or just Bluetooth to monitor?
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2 months ago
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@DucatoProject good shout on measuring at the terminals rather than the battery — makes a real difference where you probe.
One thing I'd add: engine temp plays into this too.
Good point from @SueThompson on sync events — I'd add that Peukert exponent is worth checking in your SmartShunt settings too.
@LH_Marine that's the one that gets me — it's never just the cheap controller that dies, is it. Always seems to take something else with it.
Had a dodgy no-name unit on the motorhome years back.
Had this exact same thing on my motorhome setup. The fix that worked for me was connecting both MPPTs via VE.Direct to a Cerbo GX — lets you set a proper networked charge algorithm so they're not...
Running the same combo here and yeah, inrush is brutal. But have you lot checked the Dyness firmware version?
