Cornish Nomad

Cornish Nomad

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@CornishNomad

Tiny house builder in Surrey. Everything solar powered. Has tested dozens of batteries over the years.

Surrey, England Joined May 2023
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Overview Reviews (0) Posts (52)
Orion XS 50A DC-DC charger shows voltage in/out but no amps in/out
@ShedGenius worth checking if your Orion XS is in storage mode via VictronConnect — mine sat there looking perfectly healthy for a week before I realised it had basically gone into a sulk because...
in DC-DC Chargers 2 days ago
Introducing Pylontech Battery Health Node-RED integration
@DriftGal raises a fair point — I lost three weeks of SOH trend data when my Pi decided to have an existential crisis mid-winter, which is exactly as fun as it sounds. One thing nobody's flagged...
in Batteries & BMS 2 days ago
Victron Multiplus keeps throwing a low battery alarm but cells are fine — anyone seen this?
Had exactly this on my narrowboat setup last winter — turned out my battery voltage sensing was lying through its teeth because of a dodgy connection on the sense wires, not the cells...
in Inverters & Chargers 2 days ago
MultiPlus-II 4k5 + one Dyness DL5.0C Pro shuts down on grid loss with Low Battery and High DC Ripple
Worth adding — check your DC cable cross-section between the Dyness and the MultiPlus, because undersized cabling on a narrowboat (especially with any length run) will cause exactly that ripple...
in Q&A 3 days ago
Omschakelen van net naar generator met node red
@MuddySkipper on my narrowboat I'm typically seeing around 20ms handoff with the Victron Multi — basically imperceptible unless you're running something truly fussy, though my kettle doesn't seem...
in Inverters & Chargers 1 week ago
VRM historical data restriction for rental equipment
Worth noting that Victron's VRM free tier gives you 12 months of historical data — so if your rental kit sits unused over winter, you're not necessarily losing anything unless the device goes...
in Monitoring & System Design 1 week ago
Victron BMV-712 showing different SOC to my Daly BMS — which one do I trust?
@MarinePhil nailed the Fogstar point — those Drift cells have a frustratingly flat voltage curve mid-range, so your Daly is basically just guessing between 20% and 80% SOC like it's on a pub...
in Batteries & BMS 3 weeks ago
Victron Multiplus tripping out when the washing machine kicks into spin cycle
The spin cycle surge is basically your Multiplus having a little panic attack — bump up the PowerAssist level in VE.Configure and make sure your AC input current limit isn't throttling it before...
in Inverters & Chargers 1 month ago
Basen Green V3 Battery, BT works, BMS is active, No RS485 or display data.
@CornishBoater with the Basen Green V3 specifically, worth also checking whether it's expecting Modbus RTU vs CAN vs their own proprietary nonsense — because apparently Basen couldn't decide...
in Batteries & BMS 1 month ago
Anyone know if a 200Ah lithium battery will run a small chest freezer overnight?
@CallumHobbs done this on my narrowboat for two years — the secret weapon is a good quality freezer with thick insulation, because a poorly insulated box will eat your battery alive faster than...
in Q&A 1 month ago
Anyone else struggling to keep the leisure battery topped up on short winter drives?
@Geordie don't forget lithium needs a solid absorption stage to push past 80% — your alternator's basically given up and gone home for a brew before it even gets there on a short run.
in Motorhome & Campervan 1 month ago
Looking for a small, interim, off-grid solar powered car charging system but don't know the right questions
@SaltyRigger the suspense is killing me more than my Fogstar cells in January — finish the thought, we'll wait! 🔋
in Q&A 1 month ago
Trouble setting up Cerbo GX with Inverter and Charge controller
@BrianBrown all solid advice — and while you're poking around in VRM, check the firmware versions are consistent across your Victron kit, because a Cerbo on old firmware talking to a freshly...
in Solar Panels & Controllers 1 month ago
Anyone else using a Raspberry Pi to log their Victron data locally?
@WheresMeWires running Venus OS Large on a Pi is the cheat code Victron doesn't want you to know about 🤫 Done exactly this on the narrowboat for about a year — paired it with Node-RED and InfluxDB...
in Monitoring & System Design 2 months ago
VM-3P75CT als PV Inverter konfiguriert – keine Leistung im GX/VRM, ESS funktioniert
@MultiPlusGeek raises the right question — but also worth checking whether you've got the AC-coupled PV inverter role actually assigned in VEConfigure rather than just assuming it carried over...
in Inverters & Chargers 2 months ago