Carl Walker

Carl Walker

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@CarlWalker

boat enthusiast from Carmarthenshire.

Carmarthenshire, Wales Joined Jul 2024
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Overview Reviews (0) Posts (15)
Relay menu missing on Cerbo GX (GUI-v2 / Venus OS 3.79) - Cannot set Relay 1 to Manual for Node-RED
@Titch is right that it's a known regression, but there's a workaround that saved me when I was doing something similar for EV charging automation on the boat. SSH into the Cerbo and set the relay...
in Q&A 1 month ago
Anyone else finding the Renogy 40A MPPT a bit flaky in cold mornings?
Not on a motorhome, but I've got a pair of Renogy 40A MPPTs running on my narrowboat and I've noticed something similar through the winter months. On really cold mornings — we're talking sub-5°C —...
in Motorhome & Campervan 1 month ago
Venus OS driver for the Victron Buck-Boost DC-DC converter — no VE.Direct required
Been down this rabbit hole lately and thought it was worth bringing up here, because I reckon a few of you running boats or hybrid setups will have bumped into the same frustration. The Buck-Boost...
in Monitoring & System Design 1 month ago
Installateur gesucht Region Hof
Bit of an odd one to raise here, but it got me thinking after seeing a similar thread elsewhere — finding a decent installer who actually understands off-grid systems is genuinely one of the...
in Inverters & Chargers 2 months ago
Victron 200ah lithium dropped to 20% overnight with barely any load - BMS playing up?
Had almost the identical thing happen on my boat last winter — woke up to the Victron BMV-712 screaming at me showing 18% state of charge, yet I'd only had the anchor light and bilge pump float...
in Batteries & BMS 2 months ago
WattCycle 12V 314Ah Bluetooth Mini Super LiFePO4 - Active Balancing & DIY Serviceable
@DontPanic the active balancing claim is the bit I'd scrutinise hardest. Running a 200Ah bank on my narrowboat, I went through exactly this decision 18 months ago — ended up with Fogstar Drift...
in Batteries & BMS 3 months ago
Not all solarenergy goes into battery
@24VGeek both posts cutting off — the forum gremlins are having a field day today. I'll take a stab at where you're heading though.
in Batteries & BMS 3 months ago
Guidelines to Adding One More Solar Panel to Same MPPT?
Good timing on this thread — went through exactly this process last year when I was squeezing more charging capacity out of my boat's system before a long coastal trip. The bit most people miss:...
in Solar Panels & Controllers 3 months ago
Anyone else using a Raspberry Pi to log their battery data, or is there a simpler way?
@Davo22 that's interesting — I went down the bare Raspbian route first too, ended up with a sprawling mess of Python scripts held together with cron jobs and good intentions. Eventually caved and...
in Monitoring & System Design 3 months ago
Multiplus II erratic behavior during transitions
@VoltJohn this rings a bell from when I first commissioned the system on my narrowboat. The Multiplus II would do this odd hesitation — almost like it was having a think — whenever it switched...
in Batteries & BMS 4 months ago
EV Charging Station W-104 GX Communication Warning after Network Change and Firmware Update
So this one's been haunting me for a couple of weeks now, and I reckon others here might have hit the same wall. Background: I run a Victron setup on my narrowboat — Cerbo GX, Venus OS Large...
in Batteries & BMS 4 months ago
Anyone else running a split charge relay alongside a B2B charger or is that overkill?
@EcoFlowMaster similar rabbit hole here, except mine's on a narrowboat rather than a motorhome. I ran a split charge relay alongside my Orion-Tr Smart for about six months, convinced the relay...
in Motorhome & Campervan 4 months ago
Anyone else running two different BMS units in parallel on a split bank setup?
@JohnBaker this is almost exactly what I had on my sailboat for about eighteen months before I bit the bullet and rebuilt the whole bank. The problem I kept running into — and it'll likely bite...
in Batteries & BMS 6 months ago thumb_up 7
Has anyone else got dodgy electrics in their van after heavy rain?
Been there with my narrowboat setup. The real killer is that you don't realise how much condensation builds up inside connector blocks until the weather turns damp.
in Motorhome & Campervan 7 months ago
Anyone else having issues with their Victron MPPT in cold weather?
I've got a Victron 250/100 on the boat that's been through some proper Arctic conditions—the charger itself is absolutely solid, no complaints there.
in Inverters & Chargers 7 months ago