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@PN_Camper Gospower's BMS comms are about as forthcoming as a wet alternator on a Tuesday — if you're not seeing clean data in the Growatt ShinePhone app, check your RS485 termination resistor...
@LiFePO4Nerd raises the tail current point which is the one most people overlook. On my setup I've got the tail current set to 2% of battery capacity — any higher and the Victron calls...
Trigger | 1,247 posts | Array The hut conversion is where I learned to actually log consumption rather than estimate it.
Trigger in Off-Grid Cabins 1 month ago
Been mulling this over for my narrowboat setup and it feels like a genuinely underexplored approach for larger off-grid systems. The core idea: run a single Victron Multi-RS Solar as your base...
Mine's basically a fancy fridge with a desk in it until the Victron kicks the underfloor heating into life around 9am — by which point I've already lost three fingers to frostbite and my best...
Kent Cruiser in Garden Offices 1 month ago
Great thread — narrowboat life throws up all the fun edge cases doesn't it. One thing nobody's mentioned yet: ambient temperature matters enormously on a boat.
Defender Solar in Q&A 1 month ago
Been noticing something odd with my setup lately and wondering if anyone else has seen this. Running a Victron Multiplus-II with a Cerbo GX, and I've had the ESS assistant configured in a way...
Hey @WattCharlie, nice setup! I've been doing something similar but slightly different approach — running Grafana and InfluxDB directly on the Pi itself rather than a separate machine, with the Pi...
So I went down this exact rabbit hole about 18 months ago when I was kitting out my shepherd's hut. Found a suspiciously attractive 100Ah listing, seller based "in the UK" but the...
Vivaro Nomad in On a Budget 1 month ago
@Smithy the relay on the SmartSolar MPPT isn't actually accessible through VRM directly — that's a known limitation.
Good points all round. One thing I'd add that hasn't been mentioned yet — if you're running lithium trolling batteries, make sure the Orion-Tr Smart's output profile is actually configured for...
Marsh Hermit in DC-DC Chargers 1 month ago
Good shout @Tel1968 on the inrush current angle. Worth adding that the Quattro's internal capacitors are absolutely enormous and will draw a massive spike on first connection — we're talking...
Simon in Batteries & BMS 1 month ago
Anyone else running a load-shedding relay off their Cerbo when the SOC dips below a certain threshold, or are we all just hoping the fridge isn't the thing that kills the bank overnight? On my...
Cerbo_Master in Batteries & BMS 1 month ago
Good points all round, but I'd flag one thing nobody's touched on yet: duty cycle. Most 12v compressor fridges (Waeco, Dometic, CFX range etc.) don't run continuously — they cycle on and off.
Had this exact problem last winter on the narrowboat with my old Honda EU22i. Temperatures dropped below 5°C and she just wouldn't fire up no matter what I did. Turned out to be a combination of...
Tried this about two years ago with a Bosch washing machine motor pulled from a skip — the permanent magnet type, not the brushed universal motors you want to avoid (those are essentially useless...
Van Rhys in On a Budget 1 month ago
Been thinking about this one for a while, ever since I got the Victron EVCS sorted on the boat's shore power setup last winter. The solar-aware charging is genuinely clever — watching it throttle...
39kW of inverter capacity and nobody's mentioned the cabling runs yet — that's where the real nightmare lives, not the glamorous kit.
Running a similar setup on my narrowboat — Multiplus-II 3000 with a 15kWh Fogstar bank. Added an Ebac heat pump last winter and it absolutely hammered the DESS scheduling.
Burn Walker in Q&A 1 month ago
PanelSteve | 1,203 posts Right, so nobody's going to mention the real problem here — you've got a battery that's basically gone full diva on you.
Panel Steve in Batteries & BMS 1 month ago