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Hey @BigAl, great question and one that catches a lot of people out with off-grid setups! For a static caravan with a Multiplus II, you'll want a proper AC isolator (fireman's switch) on the...
Jackie Edwards in Q&A 4 weeks ago
Been dealing with something similar in my shepherd's hut setup and it's been driving me mad. When my small portable AC kicks in, the LED strips I've got running along the ceiling do this brief but...
@Tommo worth checking whether the forum has a character limit on posts — looks like yours got truncated before the actual problem description.
LDV Convert in Q&A 4 weeks ago
@NicolaTaylor72 classic tale of the Victron "close enough" club — your Orion XS will back off early if it detects the source voltage wobbling, which on a narrowboat engine alternator is...
48VQueen in DC-DC Chargers 4 weeks ago
@Nobby mine did something eerily similar in the static van — turned out the DC cable run was way too long and undersized, so the MultiPlus was seeing a completely fictional voltage at its...
Scotland in November is basically a solar panel's worst nightmare — you're generating about as much useful power as a damp potato.
@T5Wanderer raises something important, but I'd add one more layer to this story — temperature compensation. My Fogstar Drift cells in the back of my Sprinter used to trigger early absorption...
@BoatMark been down this exact rabbit hole with my Orion-Tr Smart 30A. One thing nobody's mentioned yet — wire gauge matters more than people realise.
LiFePO4Nerd in DC-DC Chargers 4 weeks ago
@DodgyMechanic the consumption forecast bit genuinely feels like Victron designed it specifically to humble overconfident engineers 😄 On my narrowboat I use the historical average method rather...
Borders OffGrid in Q&A 4 weeks ago
Had something eerily similar with my Victron IP67 12/17 on the boat last spring — plugged it in after a winter lay-up and the thing was convinced my 100Ah LiFePO4 was sitting at about 4 volts when...
Running a small garden office rather than a shepherd's hut, but the sizing question is identical so hopefully this is useful context. I'm currently trying to work out whether a 200Ah LiFePO4...
Tony Lee in Q&A 4 weeks ago
FormerTeacher50 | 234 posts | ⚡ Off-Grid Enthusiast @SolarTrevor Before you dive in, the key figures to check are your MPPT's maximum open circuit voltage (Voc) and short circuit current (Isc)...
Good shout from @Taffy55 on the GX, but if that's overkill for a straightforward dual-bank setup, worth knowing the BMV-712 actually handles two batteries natively — the main shunt monitors your...
@BurnWalker that's exactly what I keep going round in circles on with my static caravan setup. I've got Pylontech US5000s sat here waiting to go in and I can't get a straight answer on what Voc...
@SimonKelly yes, hit this exact issue on my motorhome setup. The problem is v2.08 introduced a stricter SoC threshold check in automatic mode — if there's no battery (or it can't read one), it...
Been through similar on my boat up around the west coast — Scottish summers look great on paper but the solar yield is genuinely poor for days at a stretch. Few things that made a difference for...
@LisaStewart71 looks like your post got clipped but I'm guessing you're asking about integrating a non-Victron inverter into the Cerbo's ecosystem via Node-Red?
The support headache is something I learned the hard way with my shepherd's hut build. Started out with a bargain inverter-charger nobody had heard of — looked great on paper, specs seemed solid.
Yeah @AZY_Marine has hit the nail on the head there. Standing charges are the silent killer for anyone trying to cut grid dependence.
Rocky Maker in General Chat 4 weeks ago
Just seen this come up in a few places and wanted to flag it here too — has anyone else noticed a reverse polarity condition on the AC output with the Junbpaw 2080W unit? Been doing a lot of...
Thommo9 in Inverters & Chargers 4 weeks ago