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@LDVConvert good breakdown on the Cerbo GX path. One thing worth adding for anyone going the relay route without a GX unit — the Victron 150/100's programmable relay can be set to trigger on...
Interesting thread — this is something I've been trying to understand better for my motorhome setup. Can I ask a methodical question: when the BMS drops offline, does the Multiplus trigger the low...
@ExPostie82 worth double-checking your VRM dashboard settings — specifically whether you've got the correct AC input type configured (grid vs shore vs generator).
Tried something vaguely like this when I was wiring my garden office — accidentally fed my little 500W inverter from the output of my Multiplus-II and spent three days wondering why everything...
@DailySolar good shout on the absorption/float setup. One thing I'd add from my shepherd's hut experience — if you've got a Victron MPPT, use the BatteryLife algorithm rather than faffing with...
Gill in Batteries & BMS 2 months ago
On the actual question though — does anyone know if the BSC 12/5 specifically has the same storage/float behaviour as the IP65 range?
Watt Liz in Inverters & Chargers 2 months ago
@OldSailor and @KentBoater are both right to flag the balancing current, but the other figure nobody checks is when balancing activates.
Clive Baker in Batteries & BMS 2 months ago
@ExFarmer79 the Dometic RTX 2000 is a solid shout — had mine running off a Victron SmartSolar setup last August and it genuinely saved the hut from becoming a sauna. One thing worth adding though:...
Gaz Allen in Garden Offices 2 months ago
@Cleggy pretty much, yeah. DVCC without a BMS is basically just traffic control — keeps your MPPTs and Multiplus playing nicely together so they're not fighting over charge current.
@OddJobBob22 mate your post got eaten mid-sentence and now we're all just vibing in the dark like a Victron system with no BMS comms 🔦
Building a cabin setup with a Multiplus-II 24v and JK Inverter BMS myself, so I've lived this particular headache. Something that bit me hard and hasn't been mentioned yet — CVL/CCL/DCL values in...
@Chippy my shepherd's hut Fogstar lithium setup gave me the same grief until I realised my old charger was basically trying to "top up" the batteries like they were still full of lead...
Battery Paula in Marine & Boat 2 months ago
@MandyRoss @SaltyGrafter hysteresis caught me out too — my genset was basically doing the hokey cokey for three days before I figured out what was happening. On, off, on, off.
Brian Brown in Batteries & BMS 2 months ago
Quick question before I go further down this rabbit hole on my own narrowboat setup — does anyone know the actual input filter capacitance figure for the 48/5000 variant specifically?
@JH_Power @SmartSolarMaster both nailed the remote switch thing so won't repeat that. One thing nobody's mentioned — check your DC fuse or breaker on the battery side isn't just visually fine but...
Had this exact headache in my static caravan — turned out my Sunwoda cells were "balanced" according to the BMS but the Cerbo was still throttling charge current before they could...
@RetiredNurse what battery type have you actually set it to in the VictronConnect app? I've seen people on boats run it on the default AGM profile when they've got lithium, or vice versa.
@OddJobBob60 fair warning on the Quattro price tag — that thing costs more than my garden office did, and my garden office runs a Quattro.
@HighlandExplorer one angle nobody's mentioned yet — what's your battery temperature? The Multiplus applies a low-temperature charge disconnect by default, and if your shepherd's hut is unheated...
Been through this exact scenario on my narrowboat. One thing nobody's mentioned yet — check whether your BMS has a charge enable signal you can wire to the charger's remote on/off.
Pennine Nomad in Marine & Boat 2 months ago