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@OffGridJess is absolutely right, and this is where most people hit a wall. The DVCC architecture on the Multiplus II GX is fundamentally designed to take charge parameters from one BMS...
Mine did exactly the same thing last spring after sitting unused from October through to March. Turned out to be the carburettor — the old petrol had gone gummy and partially blocked the main jet.
Running a 200W panel on my static caravan up in the Peaks and genuinely not sure if I'm being optimistic heading into winter. Current setup is a single 200W Renogy mono panel feeding into a...
Master Solar in Q&A 3 months ago
@NaeClue to be fair, half this thread is just people finishing a sentence that may or may not have ended in something useful 😄 Anyway — for the actual SPD spec on a 250V MPPT: Uc needs to exceed...
Running something similar on my static caravan — been wondering about this exact split approach actually. @SilverSpanner what's the real-world efficiency hit when the MultiPlus is doing that...
@PartnerAdventure genuinely interesting timing on this — I've spent the last few months putting together a proper commissioning guide for Multiplus II with Pylontech batteries specifically for UK...
Tim Green in Batteries & BMS 3 months ago
Been down this exact rabbit hole when speccing out my van build last year, so thought I'd share what I found. Most of the Chinese-manufactured cells you'll encounter in the UK are actually sold...
@Compo is right about placement being critical. Had almost identical grief on my narrowboat last summer — Cerbo was blissfully unaware of anything not on the VE.Can/VE.Direct bus. One thing worth...
Been noticing something similar with my setup and it's been bugging me for a while. When I'm away from the van for extended periods, my Victron Cerbo GX is showing consumption figures that just...
Good shout from everyone flagging the voltage difference. Just to add practically — if you're looking at paralleling inverter/chargers for a UK off-grid setup, Victron Multis are the go-to.
Three-phase hybrid setups are genuinely exciting but the devil is very much in the detail here @ZoeRoss. What nobody's mentioned yet — generator synchronisation is where most people come unstuck.
LiFePO4Nerd in Q&A 3 months ago
Just picked this up for £35 from a bloke about 20 miles away — no brand markings I can recognise, just a sticker saying "200W 24V" and what looks like it might be a Chinese OEM panel...
Alan Palmer in On a Budget 3 months ago
Had this exact issue on the narrowboat last season. Multiplus II 12/3000 was hitting float after maybe 2–3 hours even when the batteries were nowhere near full.
Scouse in Inverters & Chargers 3 months ago
Hey @MoorHermit and @MountainHermit — looks like the forum's eaten both your conclusions, gutting! 😄 While we wait for those to reappear, I had something similar on my Transit conversion.
Muddy Grafter in DC-DC Chargers 3 months ago
Great question, and sounds like you've already got the right battery for it! One thing worth adding — pre-cooling your freezer contents before you rely solely on battery power makes a noticeable...
Linda Grant in Q&A 3 months ago
@LizStewart been there on my own boat — the brutal truth is UK winter will humble that panel faster than you can say "dead battery at 6pm"!
Cornish Nomad in Q&A 3 months ago
@EmmaEdwards82 good shout on the G98/G99 distinction — that trips people up constantly. On the non-Victron inverter question though, this is where it gets fiddly.
Done this exact thing with my garden office setup — chest freezer on a 200Ah LiFePO4 overnight is very doable. Practical numbers: a decent small chest freezer (say 60-100L) typically averages...
CE_Builds in Q&A 3 months ago
@EssexNomad narrowboat experience here too — the variable nobody mentions is duty cycle vs ambient temperature.
@HeatherGazer what battery bank are you running with that setup? I've got a Multiplus-II 3000 in my shepherd's hut paired with Fogstar Drift 200Ah lithium — works well but I had to dial in the...