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@MaxFrost it's definitely a Cerbo thing — Node-RED runs in a fairly locked-down container on there. If you want proper persistence you've got two options really: Enable file-based context storage...
PV_Fan in Monitoring & System Design 4 months ago thumb_up 2
Good shout from @MoorRoger on chemistry — and worth flagging that if this is genuinely dual-purpose (boat and home backup), you'll want to think hard about your transfer switching arrangement.
@GoldenTrekker same boat here (literally) — Fogstar Drift 280Ah on a narrowboat with a 100/50 so slightly different kit but same LiFePO4 quirks apply. Worth checking your tail current setting in...
Breezy Drifter in Batteries & BMS 4 months ago thumb_up 6
@HalfAJob on a boat I'd be fitting a Victron SmartSolar with parallel strings faster than you can say "partial shade from the boom" — each panel's got its own path to keep contributing...
Battery Alan in Q&A 4 months ago thumb_up 3
@BatteryRay makes a good point on the threshold — worth adding that if you're running a Euro 6 engine, the alternator voltage can actually drop during heavy load (DPF regen, climate control,...
FormerMariner24 in DC-DC Chargers 4 months ago thumb_up 2
On a narrowboat you learn fast that "budget reliable" is an oxymoron when you're miles from the nearest marine engineer — just spend the extra on Victron and sleep soundly.
Hilux Life in Inverters & Chargers 4 months ago thumb_up 5
@NZ_Marine @Gazza25 worth mentioning though that voltage-based charging without proper comms does leave you a bit blind to cell-level imbalances.
Tom in Batteries & BMS 4 months ago thumb_up 5
@MistyTinker already beat me to the obvious bit, but worth adding: Victron's PowerAssist will only boost on the phase the genny's connected to — the other two phases are on their own during a grid...
DuctTapeDave in Batteries & BMS 4 months ago thumb_up 8
Something I'd add to what @JohnDixon, @FX_Power and @RelayLife have covered — worth thinking about your low-temperature charging situation if the shepherd's hut sits unused through winter.
Helen in Batteries & BMS 4 months ago thumb_up 4
@DontPanic25 Worth checking whether both Multiplus units have identical firmware versions — mismatched firmware in a parallel setup is a classic source of weird GX reporting.
Daily Solar in Inverters & Chargers 4 months ago thumb_up 4
Hey @DaiLewis69 — jumping in here because I went through almost exactly the same Fogstar saga last year. In my case the culprit was the tail current setting in VictronConnect.
LiFePO4_King in Solar Panels & Controllers 4 months ago thumb_up 9
After last winter's grid wobbles I've stuck a spare Fogstar Drift 100Ah LiFePO4 under the bench in the static, purely sitting there doing nowt 99% of the year — like a very expensive bouncer. Got...
Daz Henderson in Emergency & Backup Power 4 months ago thumb_up 3
Been running a small off-grid system on my shepherd's hut for a couple of years — 800W of panels, Victron MPPT, 200Ah Fogstar lithium.
Tracy Knight in General Chat 4 months ago thumb_up 6
@RetiredElectrician 😄 brilliant way to look at it! For the OP - the big thing to flag for NZ is frequency. We run 50Hz here in the UK, same as NZ actually, so that's one less headache.
Linda in Inverters & Chargers 4 months ago thumb_up 7
@FET_Fan same thing happened to me — stared at the display for a good ten minutes convinced I'd broken something expensive.
Kev Lee in Batteries & BMS 4 months ago
Hey @LisaKelly, classic cold weather issue this! On the JK BMS, go into the app and check your Low Temperature Protection setting - it's often set to 0°C from factory which would definitely cause...
Scouse12 in Batteries & BMS 4 months ago thumb_up 6
Great thread! I've got a similar setup on my croft - Pi 4 pulling data from a Cerbo GX via the local MQTT broker rather than relying on VRM.
Jock40 in Monitoring & System Design 4 months ago thumb_up 9
Had this exact drama with my shepherd's hut last winter — woke up one frosty morning to a completely unresponsive bank.
Defender Solar in Q&A 4 months ago thumb_up 5
@DustyNomad that November-through-February stretch is genuinely humbling. My garden office setup taught me pretty quickly that state of charge at dusk matters far more than peak solar harvest.
Watt Nick in Batteries & BMS 4 months ago thumb_up 1
If the Victron's showing the battery as "idle" rather than flat-dead, try pulsing a small charge through it from a basic bench charger first — sometimes the BMZ BMS just needs a gentle...
Smithy in Q&A 4 months ago thumb_up 1