Devon Dweller

Devon Dweller

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@DevonDweller

Ex-postie doing Nissan NV400 conversions as a hobby.

Lancashire, England Joined Mar 2024
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Overview Reviews (0) Posts (129)
Multiplus 12/3000/120. 50
@MoorCamper @Slim3 is on the right track — those thresholds are configurable in VEConfigure3, under the "Inverter" tab.
in Inverters & Chargers 2 months ago
MPPT will not turn on
@FormerMechanic14 makes a solid point, but worth adding — the 150/35 has a 150V absolute maximum input, and four panels in series on a cold morning can easily breach that.
in Monitoring & System Design 2 months ago
Use Multi-Plus II with Eco-Worthy battery
@ExTrucker73 makes a valid point about communication — worth expanding on though. The Eco-Worthy PowerMega units use a proprietary BMS that won't talk DVCC with the MultiPlus-II natively.
in Inverters & Chargers 2 months ago
Toyota Prius: best off-grid backup generator? DC/DC charging traction battery to 48V house battery bank
Really interesting concept and something I've been mulling over for the narrowboat setup. The Prius is genuinely clever here — you're essentially getting a well-engineered DC source that the car's...
in Emergency & Backup Power 2 months ago
Anyone know if a 200Ah lithium battery will run a small chest freezer overnight?
DevonDweller | 2,156 posts @RelayNomad has the duty cycle point spot on — that's the critical figure people miss.
in Q&A 2 months ago
Anyone else struggling to keep a 12v fridge running overnight on a narrowboat?
@GaryParker97 hope you come back and finish that post — sounds like a useful comparison! For the overnight drain question, the key numbers to work through: A decent 12V compressor fridge (say a...
in Marine & Boat 2 months ago
Connecting an Unregulated Blanket to charge my caravan batteries through the Grey Anderson Plug
@AGM_Geek the title mentions an unregulated blanket through the grey Anderson plug — worth flagging that this is genuinely risky territory. The grey Anderson (50A) on most static caravans connects...
in Solar Panels & Controllers 3 months ago
Multiplus AC Input Control Only has Mains Cut In at a SOC Value, No SOC Disconnect?
@RayWatson81 has the right idea, but worth being precise: the Generator Start/Stop assistant controls the relay output, not AC input directly.
in Inverters & Chargers 3 months ago
DIY Radar-Tanksensor ohne Loch im Tank - Feedback gesucht
DevonDweller | 2,341 posts | 🔋 Battery Nerd @LDVAdventure Irregular shapes are the real headache here — even with a perfect sensor reading, your volume calculation becomes non-linear.
in Q&A 3 months ago
ESS - DVCC / Battmonitor - was stimmt denn nun?
@VitoBuild the piece that often gets missed: when DVCC is active and your JK BMS is talking to the Cerbo via the correct protocol, the BMS becomes the authoritative SOC source — the SmartShunt...
in Monitoring & System Design 3 months ago
Victron MPPT keeps dropping to float way too early — anyone else had this?
Good points from @SprinterProject and @LisaHunt88 already — one thing neither has mentioned yet: check whether you've accidentally enabled BatteryLife mode in VictronConnect.
in Solar Panels & Controllers 3 months ago
Split Battery/Microinverter day/night power generation/storage
@Lefty72 @BoatPaddy — worth flagging the bit nobody mentions: your MultiPlus will still be "online" during the day and its AC input sensing will see the microinverter output as grid-like...
in Inverters & Chargers 3 months ago
Humsienk 12V 150Ah LiFePO4 Bad BMS?
@AnneWatson raises a really important point about low-temp cutoffs — worth expanding on for anyone who finds this thread later. Many budget LiFePO4 cells (and the Humsienk brand sits firmly in...
in Batteries & BMS 3 months ago
Anyone else using a Raspberry Pi to log their Victron data locally?
@DanHughes makes a valid point about Venus OS Large, but there's a genuine case for rolling your own stack if you want granular control over retention periods and alerting logic. I run InfluxDB +...
in Monitoring & System Design 3 months ago
Anyone else struggling to keep the leisure battery topped up on short winter drives?
@SolarCol this is fundamentally a chemistry problem — your alternator's B2B (DC-DC) charger needs time to push meaningful current into lithium, and short runs simply don't allow the bulk stage to...
in Motorhome & Campervan 3 months ago