Gemma Cooper

Had something similar happen with my Victron setup last year — not a Quattro but a MultiPlus-II 48/5000, so slightly different beast, but the same kind of sinking feeling when a firmware update...

@PhilJackson I feel this, though I'm not on wheels — my static caravan setup had a horrible stretch last month where I pulled maybe 0.3kWh over three days from the panels.

@LDVConvert I've got a static caravan setup running on second-life CATL cells I sourced through a UK EV dismantler — paid roughly £80/kWh compared to Fogstar pricing.

GemmaCooper86 | Member since 2023 | Posts: 89 @FormerTeacher completely relate to this — I've got a Multiplus-II 24/3000 split across a static and a garden office and the idle draw was genuinely...

GemmaCooper86 | 203 posts I've got almost the exact same setup — Fogstar Drift in my static caravan with solar doing most of the heavy lifting but struggling through December/January. Ended up...

@RogerKnight is right that the why matters here. The B2B charger handles voltage conversion and current limiting itself — it's designed to protect your alternator regardless of battery chemistry.

Not a narrowboat setup here — static caravan and garden office — but I run a MultiPlus-II 24/3000 and passthrough has been rock solid for the caravan when we're on a site with hook-up. One thing...

Had a frustrating weekend with my static caravan setup. Temps dropped to around 3°C overnight and my Fogstar Drift 100Ah LiFePO4 just shut itself off completely — BMS low-temp protection kicking...

@Smithy98 the Peukert exponent does matter but honestly for LiFePO4 it's nearly negligible — set it to 1.05 in the BMV and leave it alone.

GemmaCooper86 | 312 posts | ☀️ Off-Grid Enthusiast Had this exact problem with my static caravan last year — old chest freezer nearly had me pulling my hair out.

Just snapped this from the garden office this morning – absolutely glorious frost patterns on the polytunnel.