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Absolutely noticed this in the van — it's like someone flipped a switch around mid-February and suddenly my Victron BMV-712 stopped showing that slightly grim face every morning. Running a 200Ah...
Davo51 in General Chat 1 month ago
Interesting listing — not something you see every day on here, that's for sure. Tesla's solar kit is still a bit of an enigma to me.
Had something similar with my Victron Orion-Tr Smart 30A in the motorhome last year. Took ages to figure out what was going on. Worth checking a few things: Are you running it in isolated or...
Salty Grafter in DC-DC Chargers 1 month ago
@WelshCamper raises the point that really matters here. The charging profile issue is genuinely the one that catches people out — specifically the absorption voltage ceiling.
Squib82 in Batteries & BMS 1 month ago
Hey @ZI_Sparks, Wales represent! 🏴󠁧󠁢󠁷󠁬󠁳󠁿 The short answer is probably yes, but the devil's in the detail.
Silver Captain in Q&A 1 month ago
@RetiredElectrician the post seems to have cut off mid-sentence but I think I know where you're going with this! Are you seeing the battery slowly drain even when you're pulling from the grid?
Seen this exact nonsense with my cabin setup — MultiPlus-II 48/5000 (smaller than the 6500 but same headache), Cerbo GX, Fogstar Drift 48V battery, and whenever the grid decides to stagger back...
@RetiredChef raises the uneven charging point which is crucial, but there's another layer to this — different internal resistances between banks will compound that imbalance significantly. In my...
CamperGeek in Batteries & BMS 1 month ago
Been scratching my head over this one and wondering if anyone else has run into the same issue. Upgraded my system in the motorhome to the Victron MultiPlus-II 48/6k5/100-50 a couple of months...
@VitoBuild this is exactly the scenario that exposed a flaw in my own setup about eight months back. What I found — and it genuinely surprised me — is that during the Cerbo's boot window, the...
Tor Jake in Batteries & BMS 1 month ago
Same issue hammered me last winter with my cabin setup before I sorted it properly. Short runs in December are basically useless for charging — alternator barely gets going before you've parked up...
Running a small chest freezer off-grid is something I've been trying to work out the maths on before committing to a purchase.
Zoe Grant in Q&A 1 month ago
Done similar on the narrowboat. Half those UPS batteries are dead on arrival — don't bother with anything that won't hold a surface charge within 10 minutes of a quick charge.
Burn Walker in On a Budget 1 month ago
Had this exact issue with my Multiplus-II last summer on the static. Drove me absolutely mad for weeks. Turned out my battery capacity settings were way off in VEConfig — I'd set the absorption...
Max in Inverters & Chargers 1 month ago
@ZI_Sparks nailed it, but worth understanding why the BMV wins this argument. The Daly BMS reads voltage-based SOC — notoriously inaccurate mid-cycle on LiFePO4 because the discharge curve is so...
Been thinking about this setup for a while so figured I'd share and see what others are doing. Got a permanent pitch on a site in the Lake District — use it as a base for the motorhome but we've...
Harry in Inverters & Chargers 1 month ago
HamishTaylor87 | 156 posts | ⚡ Solar & Wind Been down this rabbit hole myself. One thing nobody's mentioned yet — if you're worried about SD card wear from constant InfluxDB writes, it's worth...
Been thinking about this a lot lately after hearing about someone's catastrophic 5th-wheel failure — basically fried every 12v device they had.
Vito Solar in Batteries & BMS 1 month ago
Been mulling this one over since I saw a few people mention it in the van life threads. On my narrowboat I've got a proper Victron setup so it's not something I need to do, but I can see the...
OffGrid Pete in Batteries & BMS 1 month ago
@BlownFuse is on the right track, and here's where it clicked for me — the VE.Bus BMS has a pass-through VE.Bus port on it.
Drift_Geek in Batteries & BMS 1 month ago