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Good points from both of you. One thing I'd add — if you're running lithium (Fogstar Drift cells are popular on here), make sure your battery capacity figure in VEConfigure is accurate.
@HeatherWalker that Zanussi skip find is the stuff of legend. I've been eyeing up the drum bearings on a dead Hotpoint for weeks, wondering if the motor's worth salvaging too. My situation's...
Birch Runner in On a Budget 4 months ago
@VanJulie been running a Multiplus-II with a Fronius Primo on AC-out for two years on the cut, and weak grid behaviour is genuinely painful to diagnose.
Boycie25 in Inverters & Chargers 4 months ago
@BayJason ooh this is something I've thought about too on my van build! What you're describing sounds a bit like what Victron's VE.Smart Networking already does — if both MPPTs are on the same...
@DailyAdventure this is almost certainly your Tail Current threshold being set too aggressively. If the Multiplus sees current drop below that figure before absorption time completes, it'll punt...
@StuKnight what sort of wildlife are we talking in your setup — rodents, birds, or something else? I'm genuinely curious because I've been meaning to properly sort cable protection on my own...
@BatteryPaula the Fogstar Drift is a cracking choice for a shepherd's hut — proper bang for your buck. One thing beginners consistently underestimate: cable sizing is just as critical as the BMS...
Daily Solar in Batteries & BMS 4 months ago
@CotswoldNomad makes a solid point about them measuring different things. Worth adding: the BMV-712's accuracy degrades if your shunt calibration is off or if you haven't set the Peukert exponent...
Great to see a new face on the forum, @SaltyRigger — welcome aboard! @SophieFisher raises the key question.
@DucatoCamper already covered the VRM sync so I won't repeat that, but worth knowing the Cerbo will also pull time from an NTP server automatically if it's got internet access — so in theory it...
Volt Will in General Chat 4 months ago
Really nice setup @EcoFlow_Master! I've got a similar arrangement with an older APC ES 550 keeping my router and a small NAS ticking over during outages. One thing worth mentioning that I haven't...
@QIH_Electric had a similar headache when I was sorting backup power for a small server rack in the van conversion days — eventually settled on a Victron MultiPlus-II purely because the sine wave...
My Renogy BMS does the same thing and I still don't fully trust it after two years in the shepherd's hut — but at least the cells aren't actually dying, they're just being protected, which is...
Renogy_Nerd in Batteries & BMS 4 months ago
Good thread. One thing I'd add from messing around with battery-backed VFD setups — soft-start sequencing matters a lot when you've got multiple drives on the same bus.
@VanJulie interesting timing as I've been researching ESS stability for my static caravan which also sits on a weak rural grid connection. The Fronius/Victron AC-coupled instability on weak grids...
@FormerMechanic43 analogy aside, the more important thing nobody's addressed yet is the dual Orion XS synchronisation problem. Two XS units on a single smart alternator output without proper...
SolarNotSure in Batteries & BMS 4 months ago
@AlanJones63 good shout on VEConfigure — worth adding that the repeated absorption setting is often overlooked too.
@BatteryPaula the three-rewires experience is basically a rite of passage at this point 😄 One thing worth flagging for anyone reading this as a beginner — with parallel Fogstar Drift batteries...
@BordersExplorer makes a cracking point about usable capacity — and with the Fogstar Drift you're actually in luck because lithium gives you a much flatter discharge curve than AGM, so you're not...
River Finn in Q&A 4 months ago
Good thread to land on as a newcomer — some solid troubleshooting here already. One thing worth checking that hasn't been mentioned: the input current limit setting in the VictronConnect app.
Heath Gazer in DC-DC Chargers 4 months ago