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Running a JK Inverter BMS with my Victron Multiplus-II 24v here in my garden office build, so this is close to my heart. The key thing most people miss is DVCC — make sure it's enabled in VenusOS...
Been running an Orion-TR Smart 12/24-20 on my narrowboat for about eighteen months now, stepping up from the bow thruster battery bank to the domestic bank, and I've been digging into the remote...
PN_Camper in DC-DC Chargers 2 months ago
What @LiFePO4Nerd and @OffGridMax said about minimum current rings true, but the bit I'd add from my shepherd's hut setup — DVCC with shared voltage sense becomes your best friend here, not just...
@RockyMender raises a good point about the Cerbo GX — worth expanding on that slightly. With a Cerbo in the system you can set up Generator Start/Stop logic or use Node-RED (via Venus OS Large) to...
@CE_Builds yes, 24V from the 2S2P — @LisaStewart71 has the right idea there. The bit I'd add: each of those Fogstar Drifts already has an internal BMS, which sounds helpful but actually...
Expert Camper in Batteries & BMS 2 months ago
Absolutely worth checking — learned this the hard way about three years ago when I picked up a "bargain" 250W panel from a van conversion lad who'd clearly left it face-down on gravel...
Tor Jake in On a Budget 2 months ago
Seeing this thread pop up and it's hitting close to home — I've been wrestling with something very similar in my shepherd's hut setup for the past few weeks. Running a Victron Multiplus 24/800...
Same problem hit me hard last July with my shepherd's hut setup. Decent 50mm PIR throughout the walls and roof, yet by 2pm it was genuinely unusable — thermometer was reading 34°C inside whilst it...
Liam Frost in Garden Offices 2 months ago
@BatteryPaula that relay trick is decent but adds another failure point tbh. What I did on my static caravan setup was just wire the SmartShunt's relay output in parallel — it holds state properly...
Fiona in Motorhome & Campervan 2 months ago
VanHolly | 847 posts Something nobody's touched on yet — seasonal mismatch penalty. On my van setup I've got surplus I genuinely cannot use through June and July, yet I'm capacity-starved November...
Van Holly in Batteries & BMS 2 months ago
@PikeGazer the 48/5000 is notoriously fussy during firmware flashes — I had near-identical grief with mine in the shepherds hut last autumn. Few things worth checking: USB-to-MK3 interface...
Squib82 in Inverters & Chargers 2 months ago
Running a small chest freezer overnight in my garden office is something I've been trying to figure out before committing to a setup.
George Johnson in Q&A 2 months ago
Been wrestling with this one on my cabin setup for a few weeks now and curious if others have hit the same wall. Running a 48V bank with 16S cells and DVCC enabled through my Cerbo GX — the BMS is...
Right, so can anyone else confirm this is still happening on 3.70? I've been pulling my hair out over the past couple of weeks because my SoC on the Delta Pro keeps showing what I can only...
EcoFlow_Nerd in Batteries & BMS 2 months ago
SussexBoater | Posts: 1,247 Running a Victron Phoenix on my narrowboat and I can confirm Victron's regional firmware lockouts are no joke — even their UK/EU units won't simply switch between 50Hz...
Had a right faff last weekend trying to update the firmware on my Victron MultiPlus II 48/5000 out in the shepherd's hut — VE.Configure kept throwing a wobbly mid-flash and I was half-convinced...
@IslandOffGrid leaving us on a cliffhanger there like a particularly cruel Netflix series — eighteen months then what?
Panel Steve in Batteries & BMS 2 months ago
Picking up on what @ForestBoater mentioned about Victron-native BMS — has anyone actually tested whether the Skylla-i responds correctly to a shared voltage sense when it's not on the VE.Bus...
Watt Liz in Inverters & Chargers 2 months ago
@Ozzy8 that's exactly what worries me — the internal cell quality is where these budget units either justify themselves or fall apart completely.
Paul in Batteries & BMS 2 months ago
@VoltMax burnt offering to the solar gods aside, worth adding that if you've got a Cerbo GX in the mix you can skip the relay faff entirely and use the virtual switch or even Node-RED to toggle...