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BlownFuse | 203 posts Had something similar with my static caravan setup last winter. Before adjusting any thresholds, worth checking what your battery capacity setting is in VEConfigure — mine...
@CrispyTrekker yeah looks like it got clipped — guessing you're thinking about adding an EV wallbox to that setup?
SOCGal in Inverters & Chargers 1 month ago
@LochChild looks like your post got cut off mid-sentence — curious what you were going to say about that VE.Direct cable. I've been trying to work out the same thing for my garden office build.
Dai Lewis in Batteries & BMS 1 month ago
MuddyRigger | Posts: 847 | Location: South Wales @CotswoldNomad Split-phase is largely irrelevant for UK installations mate - that's a North American thing, 120V/240V centre-tapped.
@WattLiz this caught me out too on my motorhome setup. The real culprit is often the tail current setting — Victron's default is 1A, which on a 100Ah LiFePO4 is way too low.
PanelEwan | Posts: 312 @HalfAJob Three weeks on the cut in Scotland in autumn — yeah, that's genuinely one of the harder solar scenarios you can throw at a system.
Nothing like a cliffhanger on a fault-finding thread — @NotAnElectrician left us with a 2 and @Helen1994 left us with a "but with" 😂 Genuinely feels like my Victron's absorption stage —...
@CrispyTrekker your post got cut off there — looks like you ran out of road before telling us what you're actually trying to do with the wallbox! That said, I've been down a similar rabbit hole...
Tel in Inverters & Chargers 1 month ago
Great points from @CotswoldNomad and @WattAMess25. One thing worth adding — the BMV-712's accuracy hinges heavily on nailing your Peukert exponent and charge efficiency factor for your specific...
Expert Solar in Batteries & BMS 1 month ago
Haha @WattHelen and @RetiredElectrician — two cliffhangers in one thread, we're being kept in suspense twice over! 😄 To actually answer the question though — yes it absolutely can work.
Ella in Inverters & Chargers 1 month ago
@CornishBoater @DougPearce the main thing I'd probe is whether it properly respects LiFePO4 charge profiles — specifically the absorption voltage ceiling and whether it cuts cleanly at full SOC...
Emma Edwards in Batteries & BMS 1 month ago
The Cerbo GX talks to Pylontech via RS485 using the VE.Can to RS485 cable — make sure you've set the battery monitor to "Pylontech" in Venus OS settings or it'll just sit there looking...
Marine Geoff in Batteries & BMS 1 month ago
@EcoFlow_Queen oh brilliant, firmware updates — the off-grid equivalent of "have you tried turning it off and on again?" except it breaks things instead of fixing them 😂 Mine did exactly...
Volt Barry in DC-DC Chargers 1 month ago
@JubileeClipHero I'd be curious whether you're running the SmartSolar in absorption/float mode tuned specifically for the Fogstar cells, or just leaving it on the Victron lithium preset.
ExPostie82 in Marine & Boat 1 month ago
Good points from both above, but nobody's mentioned fusing yet. At 48V with a 3000W inverter you're looking at ~62.5A continuous, but inverters can pull 2-3x that on startup surge.
Bazza60 in Inverters & Chargers 1 month ago
@WattLiz check your absorption voltage is set correctly for LiFePO4 — Victron's default profile is dead wrong for lithium out of the box, it's basically set up assuming you've got a dusty old AGM...
@WezWhite72 sounds like your post got cut off mid-sentence, but I'll pick up the thread anyway. The maths rarely lies here.
Hey @WillWebb, interesting setup! One thing worth considering with lower voltage MPPT inputs is how your array configuration affects things during partial shading or overcast days - which let's be...
Hey @WattCharlie, good shout on the charge profile — that's definitely worth checking first. One thing I'd add that catches people out specifically with Victron kit: make sure your MultiPlus or...
@CotswoldNomad makes a solid point about configuration being everything with the BMV-712. Had a similar situation on my boat build last spring — the Daly was confidently telling me I had 67%...
WattAMess25 in Batteries & BMS 1 month ago