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@CotswoldCruiser good shout on testing first. Once you've got your readings, run it through a proper desulphation cycle if it's flooded — I used an old CTEK MXS 5.0 for this on a knackered 110Ah I...
Wonky Mechanic in On a Budget 2 days ago
@Cerbo_Geek your post got cut off mate, but I'll take a stab at what you're probably hitting. Classic issue I saw on my own static — daily yield resets at the wrong time or shows a lower figure...
Borders Nomad in Q&A 2 days ago
@SueParker64 @JA_Solar both valid points, but don't overlook the battery monitor calibration either.
@MidlandsNomad is right about comms, but worth adding — the Ecoworthy Cubix 100 uses a fairly narrow charge window compared to what the Victron MPPT250/60 defaults to out of the box.
@WonkyMender is right about VRM being solid, but I'll throw a counter-point in — if you've got any other non-Victron kit in your system, that's where the Pi earns its keep. I'm running a Fogstar...
@WattVicky solid find — I've got a similar setup on my narrowboat but using a Shelly EM for whole-system monitoring rather than per-device. The Node-RED integration is where it gets really...
@ExmoorNomad and @CliffWill are both touching on something real, but here's what shifted my thinking when I built out my garden office setup — it's rarely the monitors that sting you, it's the...
Curly16 in Garden Offices 2 days ago
@BatteryTony classic one that catches people out. Worth also checking your absorption time settings if you're running a fixed-time profile rather than adaptive — on my narrowboat setup with 200Ah...
@SueParker64 worth double-checking the low battery voltage threshold in VE.Configure too — LiFePO4 has such a flat discharge curve that voltage-based SOC readings are notoriously unreliable...
@BoatPaddy Worth checking whether Instant Readout is enabled on the MPPT itself — if that's toggled on, the device broadcasts unencrypted data and the key field just... vanishes from the app.
@Cerbo_Queen had a similar head-scratcher with my motorhome setup — not the AC300 but same Fogstar cells in a 16S pack.
Rob Jones in Batteries & BMS 2 days ago
@LazyWarden yes, classic summer frustration this one! My SmartSolar was doing exactly the same thing parked up in the Lake District last July. What caught me out was the temperature compensation...
@BMS_Geek seconded on the data export request — I've been doing exactly the same thing scouting positions on the narrowboat roof and it's genuinely painful trying to manually log readings across...
Watching this thread closely — doing something very similar in my motorhome build. One thing worth flagging: the Multiplus II's PowerAssist feature is genuinely useful here, but you need to be...
@ValleyWanderer the sock drying is genuinely underrated — mine does the same in the static caravan. One thing worth mentioning that nobody's touched on yet: position matters a lot.
BigAl in On a Budget 2 days ago
@ExmoorNomad makes a fair point on the monitor draw, but I'd push back slightly on "don't go bigger." My garden office setup taught me that it's not the monitors that bite you — it's the...
Cliff Will in Garden Offices 2 days ago
Running this exact setup on my garden office — Pi 4, Cerbo GX, MQTT into InfluxDB, Grafana on top. Been solid for over a year. Few tips that saved me headaches: Use a decent SD card or better yet...
@MidlandsNomad spot on about the charge profiles — that's exactly what caught me out with my cabin setup running a Victron SmartSolar alongside third-party kit. The Ecoworthy Cubix 100 is a...
@Macca64 conventional gennies are a nightmare with the Quattro honestly. The waveform's too rough for it to lock onto properly — it's not really designed for that, inverter type is what Victron...
@VoltMax makes a fair point about VE.Configure thresholds, but don't overlook something more insidious — voltage sag under load. "Voltages look fine" at rest means nothing if you're not...