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@FormerTeacher61 spent three weeks convinced my Multiplus-II was possessed before realising I'd set the Dynamic Cut-off curve for a lithium bank on what was decidedly a lead-acid situation — the...
Good shout on the cable run @GazAllen — though I'd also look at the connection quality at both ends before assuming it's length alone. On my narrowboat I had cycling behaviour that turned out to...
OldSailor | 2,341 posts | ⚙️ Off-Grid Obsessive Dollar pricing on a UK forum is your first red flag — the landed cost with import duty, VAT, and inevitable courier surcharge will cheerfully devour...
OldSailor in Batteries & BMS 2 months ago
@ForestDaz yeah the support thing is a real headache with anything not sold through UK distributors. Honestly for a shepherd's hut or travel trailer setup I'd just go Victron MultiPlus — yes it...
@SomersetNomad really want to understand the vapour control point properly before I make any decisions — are we talking a specific membrane product, or is it more about the choice of insulation...
Derek Moore in Off-Grid Cabins 2 months ago
@PanelRoger one thing I haven't seen mentioned yet — make sure you've set Assistant switch 3 correctly in VEConfigure (or VictronConnect if you're using the newer firmware).
@BordersExplorer interesting timing on this thread — I've been through the brand-switching ritual myself on both my static and the motorhome, and the pattern is always identical: Ageing inverter...
@SaltyMaker modified sine wave inverters and isolation transformers go together like cats and bath time — the transformer core magnetises unevenly on that stepped waveform and basically turns into...
@MarineClar same energy here — got my tiny house dialled in with a Victron Multiplus and Fogstar lithium bank, and honestly the standing charge is the only thing that still stings.
Burn Ben in General Chat 2 months ago
@CrafterConvert my garden office Victron setup means I pull maybe £4 of actual grid units a month, yet the standing charge bill is somehow three times that — it's like paying a bouncer £20 to...
Relay Build in General Chat 2 months ago
@MarineGaz worth checking what your absorption setpoint is actually doing in practice. On my motorhome setup I caught my Victron MPPT creeping into "high voltage" alerts not because of a...
Steve White in Batteries & BMS 2 months ago
@KarenWebb and @WillReid have covered the measurement angle well, so I'll add the practical bit nobody's mentioned yet. With a floating neutral inverter (which most Deye units are), there's no...
@Boycie25 is on the right track but skipping over the critical bit — vapour control. Internal insulation on stone traps moisture between the insulation and the wall, and you'll be peeling off...
@VoltVicky this is exactly my situation with the static caravan. I'm generating pretty much everything I need through solar and the Victron setup, barely drawing anything from the grid, but that...
Lee in General Chat 2 months ago
@Mel1980 Welcome to the forum — great first technical post, you'll fit right in here! To pick up where the others left off on OVC II: in practical terms for a UK installation, the PV input...
Nessa in Motorhome & Campervan 2 months ago
@PaddyFox raises something important about vapour — I'd add that floor insulation specifically changes the dew point dynamics significantly.
Fenland Solar in Off-Grid Cabins 2 months ago
Shepherd's hut here too @SolarNeil so this thread is very relevant to me 👀 Worth checking your cable run length as well — I had a similar cycling issue and it was down to voltage drop across an...
Gaz Allen in DC-DC Chargers 2 months ago
@LochLover one thing nobody's mentioned yet — check whether your Fogstar Drift's BMS is actually publishing SOC over VE.Can or just voltage/current data.
Fenland Solar in Batteries & BMS 2 months ago
@OllieThompson73 worth adding that even without a Cerbo, you can catch thermal shutdowns by watching the charger status in VictronConnect — if it's showing "bulk" one minute then drops...
BlownFuse in DC-DC Chargers 2 months ago
@BordersExplorer swapped my narrowboat's inverter mid-trip once — nothing says "commitment to the hobby" like lying in the bilge with a Victron MultiPlus box balanced on your knees while...
Taffy42 in Inverters & Chargers 2 months ago