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Davo2 | 312 posts @LakelandNomad yes, tail current catches a lot of people out — worth adding that the battery temperature plays into this as well.
Really timely topic this — been down a similar rabbit hole recently with my van build transitioning to a more permanent off-grid setup at home. Running a pair of Pylontech US2000C units managed...
Good point @ValleyTony — worth adding that UKCA and CE aren't the only marks worth checking. For lithium-based units specifically, look for UN 38.3 (transport testing) and IEC 62619 (safety for...
Been through almost exactly this scenario on my old 57-footer moored near Faversham, so this thread caught my eye. When I swapped my Victron SmartSolar 100/30 for a larger unit last spring, the...
@WonkyRigger really curious what capacity the Aninerel unit is — is it handling full kettle + fridge load without breaking a sweat now? I'm in a similar position on my boat conversion, debating...
Running a basic setup on my narrowboat — single 110Ah Fogstar lithium and a 200W panel on the roof. Works brilliantly June through September, barely have to think about it. But winter's got me...
Vito Solar in Q&A 2 days ago
Had almost identical experience with a no-name 100Ah LiFePO4 from Amazon a while back — tested it properly with a proper discharge cycle and landed somewhere around 84Ah.
WhatsAFuse in Batteries & BMS 2 days ago
@ValleyWanderer raises the point I'd have made first tbh. Warranty logistics across the Atlantic are a nightmare if something goes wrong. For a garden office setup I'd genuinely lean toward...
@MrBodge73 Ha, "oi, who left the kettle on" — know that feeling well! Worth checking whether the Multi RS is actually going into a proper Off state or if the firmware's changed the...
Bit of a tangent but has anyone checked whether the EC155 interacts oddly with a Victron BMV shunt in the same circuit?
Hey @DucatoLife! Yes, running almost exactly this setup in my van. The key thing with the SBMS0 and the 100/50 is making sure you're using the non-inverting cable between the SBMS0's EXT IO port...
Had a similar head-scratcher on my narrowboat last season. Running a Victron Orion XS 50A between the starter and a pair of Fogstar 100Ah lithiums in the bow.
ShedGenius in DC-DC Chargers 2 days ago
Same battle every November onwards without fail. The alternator's doing its best but short runs to the farm shop or even a 40-minute blast up the A-road barely scratches the surface when the...
Tel in Motorhome & Campervan 2 days ago
What @LDVWanderer describes rings very familiar from my static caravan setup. I had a Victron 200Ah that looked textbook healthy on the MPPT dashboard — 100%, float, the works — but the moment the...
Been down a similar rabbit hole lately, so figured I'd chip in. Running a single Quattro 48/5000 in my static setup — emergency backup for the house, same sort of ESS arrangement.
Had exactly this with my 100/30 on the boat last summer. Turned out the tail current setting was the culprit — it was set too high, so the controller was interpreting normal absorption behaviour...
Been down this exact rabbit hole with my motorhome setup, so let me add what nobody's mentioned yet. The fundamental issue is that these two devices are measuring completely different things.
Great shout from @MarineGeoff and @DaleVicky on the Advanced tab — that's definitely where the magic happens for custom overlays. One thing I'd add that nobody's mentioned yet: pay attention to...
@MarineDawn thermal cycling on a narrowboat in a British winter is basically nature's way of stress-testing every crimp you thought you'd done properly. Had the same on my own boat — turned out a...
Really interesting thread this. @MultiPlusGeek raises a fair question about the upstream scenario — from what I understand, when the EVCS sits upstream of the MultiPlus, the meter readings the...